Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
STA015 by STMicroelectronics is a compact consumer IC with a max operating temp of 85 °C and supports supply voltages from 2.4V to 3.6V. It features a dual terminal design in a small outline package, ideal for space-constrained applications. This versatile chip is perfect for various consumer electronics.
Median Price
-
Lifecycle Status
Suppliers In-Stock
3
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Digiode
Anansix
IDEA Electronic Components Group
$0.877
$0.789
MKK Technologies
$1.649
DigiPath Technology Company
AZTECH Wire
$8.350
Microchip USA
$34.703
Kepictronics
Vigor
Corphita
Parana Technologies
$1.048
Authorized Procurement Solutions
The use of plastic/epoxy materials increases durability and ensures longevity, making it suitable for a wide range of consumer applications.
Surface mount technology allows for compact designs and easy integration into modern electronic devices, enhancing versatility and performance.
The rectangular shape optimizes space on the PCB, allowing for efficient placement in various device configurations.
Designed specifically for consumer applications, this IC meets the needs of everyday electronic devices, ensuring compatibility and efficiency.
With 28 terminals, the IC provides extensive connectivity options, enabling complex circuit designs while maintaining a compact footprint.
The small outline package style allows for high-density layouts, crucial for modern electronics where space is at a premium.
The IC can operate efficiently at elevated temperatures, making it suitable for applications in warmer environments or compact designs with limited airflow.
Operational in low-temperature environments, this IC is reliable for outdoor and industrial consumer applications.
The premium terminal finish ensures excellent conductivity and solderability, enhancing reliability and reducing maintenance over time.
Dual terminal positioning improves layout flexibility on the PCB, making it easier to design around other components.
A low seated height contributes to a slim profile, essential for portable and low-profile device designs.
The compact width contributes to efficient space utilization in electronic designs, allowing more components in a limited area.
The low minimum supply voltage enhances energy efficiency, making this IC ideal for battery-operated devices.
The modest length aids in efficient layout planning, facilitating integration into smaller devices where space is crucial.
CMOS technology provides low power consumption and high noise immunity, crucial for modern electronic devices demanding efficiency and reliability.
Gull wing terminals are advantageous for automated assembly, ensuring consistent quality and performance in mass production.
The 1.27 mm terminal pitch is compatible with many PCB designs, facilitating easy integration while maintaining signal integrity.
The higher maximum supply voltage expands its compatibility with a variety of power sources, making it versatile for numerous applications.
Other Function Consumer ICs STA015 attributes and parameters. Explore more Other Function Consumer ICs devices from STMicroelectronics
General IC Type:
JESD-30 Code:
JESD-609 Code:
Length:
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Code:
Package Shape:
Package Style (Meter):
Qualification:
Maximum Seated Height:
Maximum Supply Voltage (Vsup):
Minimum Supply Voltage (Vsup):
Surface Mount:
Technology:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Width:
STA015 General Purpose ICs trade compliance attributes, and parameters.
HTS
8542.39.00.01
SB
8542.39.00.00
STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.
President, CEO
Jean-Marc Chery
President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience
Lorenzo Grandi
President, Sales & Marketing
Jerome Roux
Castelletto
Fabrication
Fab Initiation
1968
Italy
Wafer Capacity
SGFAB AMK 6
2000
Singapore
29,000
AG200
Agrate Brianza
14,000
RST 8
France
Rousset
35,000
Crolles 1
1993
Crolles
30,000
Crolles 2-ext. mod 5
Crolles 2-ext. mod 2
2022
Crolles 2-ext. mod 3
2023
Crolles 2
2004
28,000
1985
SiC Fab
2006
Sweden
Norrköping
10,000
Fab 3
2005
Tours
2,000
Fab 1 & Fab 2
1978
55,000
Fab 2
1997
Catania
SGFAB-AMK 6E
2003
145,000
SGFAB-AMJ 9
1984
152,000
AG300 (R3)
1980
25,000
1987
34,000
AG300
2024
Crolles 2-ext. mod 1
2020
Fab 1 6-inch fab
2013
11,000
SiC 6-inch line
2021
2,500
200mm GaN
2018
SGFAB-AMK 8
2001
Crolles 2- JV Fab
SGFAB-AMK 6
2016
38,125
SGFAB-AMK 2E
2010
20,000
Silicon Carbide A.B.
SiC wafer/EPI Fab
SiC Device Fab
2025
1N4148
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SS14
Rfe International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138PS,115
NXP Semiconductors
NXP Semiconductors' BSS138PS,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A max drain current. Ideal for switching applications, it features a 1.6 ohm max on-resistance and operates in enhancement mode. The transistor comes in a small outline package with GULL WING terminals, making it suitable for surface mount designs.
SMBJ18CA
General Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
Weitron Technology
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Terminal Form: GULL WING; Terminal Position: DUAL;
Gulf Semiconductor
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Operating Mode: ENHANCEMENT MODE;
M24308/2-1F
Air Electro
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; MIL Conformity: YES; Additional Features: STANDARD: MIL-DTL-24308;
ULN-2803A
Vishay Sprague
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.
MMBT2907ALT1G
Rochester Electronics
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; Terminal Form: GULL WING;
OPA2277UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Hitano Enterprise
1N4148WT
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Comchip Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM7805CT
Silicon Group
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Package Body Material: PLASTIC/EPOXY; Maximum Load Regulation: .05 %;
LM2931Z-5.0G
Onsemi
LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
1N4148WS
Continental Device India
OHN3140U
Tt Electronics Plc
OHN3140U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 2mT. It features an output range of 25mA and operates b/w -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields in various industries.
LL4148
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Maximum Non Repetitive Peak Forward Current: 2 A; Maximum Reverse Recovery Time: .004 us; No. of Phases: 1; Maximum Operating Temperature: 175 Cel;
Texas Instruments
OPA2277UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 100 uV and micropower consumption of 1.65 mA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1000 kHz in a small outline package.
92HD91B2X5NLGXYAX8
Tempo Semiconductor
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: QCCN; Package Shape: SQUARE;
SN75LVPE801DRFT
SN75LVPE801DRFT by Texas Instruments is a small outline, heat sink consumer IC with 8 terminals. It operates b/w 0-85°C and has a supply voltage range of 3-3.6V. Ideal for applications requiring very thin profile and surface mount packaging.
MC1496DR2G
MC1496DR2G by Onsemi is a 14-terminal IC with small outline package. Operating temp range: 0-70°C, supply voltage: 12V. Ideal for consumer circuits, it features dual terminals and matte tin finish for commercial applications.
LM1973NNOPB
National Semiconductor
LM1973NNOPB by National Semiconductor is a consumer IC with +-6V power supplies, 20 terminals, and 5mA max supply current. It is used in commercial applications requiring CMOS technology, operating b/w 0-70°C. The package style is in-line rectangular made of plastic/epoxy material.
IMP23ABSUTR
STMicroelectronics
CONSUMER CIRCUIT;
CS4272-CZZR
Cirrus Logic
CS4272-CZZR by Cirrus Logic is a consumer IC with 28 terminals, operating at -10 to 70°C. It has power supplies of 3.3V and 5V, suitable for various applications. The package style is small outline, thin profile, shrink pitch, making it versatile for compact designs.
PCM2902EG4
PCM2902EG4 by Texas Instruments is a consumer IC with 28 terminals and power supply of 5V. It operates b/w 0-70°C, with peak reflow temp of 260°C. Widely used in consumer circuits due to its small outline package and dual terminal position.
BU9457KV-E2
ROHM
ROHM's BU9457KV-E2 is a 64-terminal IC with 3.3V power supply, suitable for industrial applications. It features Gull Wing terminals, operates b/w -40°C to 85°C, and draws a max current of 80mA. This square-shaped IC in PLASTIC/EPOXY package is surface mountable and ideal for consumer circuit designs.
TLV990-21PFB
TLV990-21PFB by Texas Instruments is a 48-terminal IC with CMOS technology. It operates b/w -20 to 75°C, suitable for consumer circuits. With a supply voltage range of 2.7-3.3V, it comes in a compact square package ideal for surface mount applications.
89HP0604SZBABGI8
Integrated Device Technology
CONSUMER CIRCUIT; Terminal Finish: TIN SILVER COPPER; Peak Reflow Temperature (C): 260; Moisture Sensitivity Level (MSL): 3; JESD-609 Code: e1;
PCM2904DBG4
PCM2904DBG4 by Texas Instruments is a consumer IC with 28 terminals, operating at 5V. It has a small outline package style and can handle temperatures from -25 to 85°C. Ideal for applications requiring low power consumption and compact design.
TW8846-LA1-CE
Renesas Electronics
CONSUMER CIRCUIT; Terminal Finish: MATTE TIN; Moisture Sensitivity Level (MSL): 3; JESD-609 Code: e3;
AD8351SCPZ-EP-R7
Analog Devices
AD8351SCPZ-EP-R7 by Analog Devices is a surface mount consumer IC with 1 function. It has a square package shape, 16 terminals, and operates b/w -55 to 105 °C. This IC is commonly used in consumer circuits for various applications.
AD630ARZ-RL
AD630ARZ-RL by Analog Devices is a consumer IC with 20 terminals, operating b/w -25 to 85°C. It has a supply voltage range of 5-16.5V and consumes up to 5mA current. This rectangular package is surface mountable and ideal for various consumer circuit applications.
MAX30112EWG+T
CONSUMER CIRCUIT; Peak Reflow Temperature (C): 260; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; JESD-609 Code: e2; Terminal Finish: TIN SILVER COPPER NICKEL;
MICRF007YM
Microchip Technology
MICRF007YM by Microchip Tech is a small outline consumer IC with 8 terminals. Operating temp range -40 to 85°C, supply voltage 4.75-5.5V, and peak reflow temp of 260°C. Ideal for industrial applications requiring compact design and high reliability in surface mount technology.
ISL59601IRZ-T7
ISL59601IRZ-T7 by Renesas Electronics is a consumer IC with 20 terminals, operating at -40 to 85°C. It has a supply voltage range of 4.5-5.5V and max current of 60mA. This chip carrier is ideal for industrial applications requiring a very thin profile and matte tin finish.
SLG46824G
Dialog Semiconductor
CONSUMER CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 20; Package Code: TSSOP; Package Shape: RECTANGULAR;
TDA18273HN/C1,518
TDA18273HN/C1,518 by NXP Semiconductors is a 40-terminal IC with a power supply of 3.3V. It comes in a square chip carrier package and is surface mountable. This IC is commonly used in consumer electronics for various functions due to its compact size and high performance capabilities.
AD630JN
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
STA013
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 28; Package Code: SOP; Package Shape: RECTANGULAR;
STA016A13TR
CONSUMER CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: LFQFP; Package Shape: SQUARE;
STA016A
STA014
CONSUMER CIRCUIT; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 28; Package Code: SOP; Package Shape: RECTANGULAR;
STA015T
CONSUMER CIRCUIT; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: LQFP; Package Shape: SQUARE;
STA013T
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: QFP; Package Shape: SQUARE;
STA013T013TR
STA014T
STA014B
CONSUMER CIRCUIT; Temperature Grade: OTHER; Terminal Form: BALL; No. of Terminals: 64; Package Code: LFBGA; Package Shape: SQUARE;
STA013013TR
STA015B13TR
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: BALL; No. of Terminals: 64; Package Code: LFBGA; Package Shape: SQUARE;
STA013B13TR
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: BALL; No. of Terminals: 64; Package Code: LFBGA; Package Shape: SQUARE;
STA015T013TR
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: LQFP; Package Shape: SQUARE;
STA011
CONSUMER CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: LQFP; Package Shape: SQUARE;
STA003T
STA002
CONSUMER CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: LQFP; Package Shape: SQUARE;
STA003T013TR
STA013B
STA015B
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved