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
TCM5092N-10 by Texas Instruments is a Telephone Dialer Circuit IC with CMOS technology. It operates b/w -30°C to 70°C, has 16 terminals in an inline package style, and requires a nominal voltage of 3.8V. Ideal for telephone line applications due to its compact size and dual terminal position design.
Median Price
-
Lifecycle Status
Suppliers In-Stock
2
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Digiode
AZTECH Wire
$10.964
Parana Technologies
$14.068
$14.533
DigiPath Technology Company
$15.491
$14.252
ChromeModa Solutions
$15.807
$12.962
IDEA Electronic Components Group
$15.017
$14.226
One Stop Electronics
$603.000
Corphita
The plastic/epoxy material used in the package body provides durability and protection for the internal components of the telephone line IC, ensuring reliable performance over time.
With 16 terminals, this telephone line IC offers a sufficient number of connection points for various circuit configurations and applications.
The high maximum operating temperature of 70°C allows the telephone line IC to be used in a wide range of environments without risking damage due to overheating.
The CMOS technology used in this telephone line IC ensures low power consumption and high noise immunity, making it an efficient and reliable choice for telecommunications applications.
The nominal supply voltage of 3.8V is suitable for most telephone line applications, providing stable and consistent power to the IC for optimal performance.
Telephone Line ICs TCM5092N-10 attributes and parameters. Explore more Telephone Line ICs devices from Texas Instruments
JESD-30 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:
Nominal Supply Voltage:
Surface Mount:
Technology:
Telecom IC Type:
Temperature Grade:
Terminal Form:
Terminal Pitch:
Terminal Position:
Width:
TCM5092N-10 Telecommunications trade compliance attributes, and parameters.
HTS
8542.39.00.01
SB
8542.39.00.00
Texas Instruments Inc. (TI) is one of the world's leading semiconductor companies and a global leader in analog and digital signal processing technology. The company has had a major impact on the electronics industry for over 80 years, manufacturing integrated circuits (ICs), software and subsystems that leverage high-performance computing capabilities. It offers an extensive portfolio of solutions for a wide range of industries, from aerospace to medical devices and consumer products to communication systems. Over its long history, TI has become synonymous with quality, reliability and innovation. Today, TI is one of the largest semiconductor companies in the world with operations in more than 30 countries across six continents.
President, CEO
Haviv Ilan
Chairman
Richard K. Templeton
Senior VP, CFO
Rafael R. Lizardi
M - Fab
Fabrication
Fab Initiation
1997
USA
South Portland
Wafer Capacity
32,000
D - FAB
1966
Dallas
42,000
D MOS - 6
2002
25,000
D MOS - 5
1995
75,000
Miho - 8
1980
Japan
Inashiki
43,000
S FAB 1
Sherman
91,000
F - FAB
2001
Germany
Freising
37,000
R Fab 1
2010
Richardson
40,000
D HC Line
1999
2,000
JV3
Aizu Wakamatsu
45,000
C - FAB
2007
China
Chengdu
30,000
L - Fab
2015
Lehi
70,000
R - Fab 2
2022
S - FAB 2
2025
S - FAB 3
2028
PIC18F4550-I/PT
Microchip Technology
PIC18F4550-I/PT by Microchip: 8-bit microcontroller with 44 terminals, 48 MHz clock frequency, and USB connectivity. Ideal for industrial applications requiring low power mode and 10-bit ADC channels.
LIS2DH12TR
STMicroelectronics
LIS2DH12TR by STMicroelectronics is a 3-axis accelerometer with digital voltage output. It operates b/w -40 to 85°C, with supply voltage range of 1.71-3.6V. Ideal for applications requiring precise motion sensing in compact spaces like wearables and IoT devices.
PIC18F4550-I/ML
The Microchip Technology PIC18F4550-I/ML is an 8-bit microcontroller with a max clock frequency of 48 MHz. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it ideal for industrial applications requiring high-speed data processing and analog-to-digital conversion. With low power mode and flash ROM programmability, this chip offers efficient performance in compact designs.
SS14
Promax-johnton
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MBR130T1G
Onsemi
MBR130T1G by Onsemi is a Schottky rectifier diode with max output current of 1A and max repetitive peak reverse voltage of 30V. It operates b/w -65 to 125°C, suitable for surface mount applications in electronics requiring low forward voltage drop.
Vishay Semiconductors
1N4148
Taiwan Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Peak Reflow Temperature (C): 260; Maximum Operating Temperature: 175 Cel; JESD-609 Code: e3; No. of Elements: 1;
BAV99
Kingwell Technonlogy
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN2803A
YOUTAI SEMICONDUCTOR CO LTD
BUFFER OR INVERTER BASED PERIPHERAL DRIVER; Terminal Form: GULL WING; No. of Terminals: 18; Package Code: SOP; Package Shape: RECTANGULAR; JESD-30 Code: R-PDSO-G18;
1N5819HW-7-F
SPC TECHNOLOGY/ MULTICOMP
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Dc Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
Shanghai Lunsure Electronic Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): 1 V; Maximum Non Repetitive Peak Forward Current: .5 A; No. of Elements: 1; Maximum Reverse Recovery Time: .004 us;
1N4148WT
Tak Cheong Electronics Holdings
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBT2222ALT1G
MMBT2222ALT1G by Onsemi is a NPN BJT transistor with 3 terminals, max power dissipation of 0.3W, and hFE of 75. Ideal for switching applications, it operates b/w -55 to 150 °C with a max collector-emitter voltage of 40V. This surface-mount device has a transition frequency of 300MHz and turn-on time of 35ns.
2N7002
Rectron
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel; Terminal Form: GULL WING;
AMS1117-3.3
Advanced Monolithic Systems
AMS1117-3.3 by Advanced Monolithic Systems is a fixed positive single output LDO regulator with 1A max output current, 3% voltage tolerance, and 1.3V dropout voltage. Ideal for applications requiring stable 3.3V supply in compact designs due to its small outline package and excellent load regulation of 0.025%.
MMBT3904-7-F
Diodes Incorporated
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
2N2222A
General Transistor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM358MX
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
2902037
Phoenix Contact
MODULAR TERMINAL BLOCK;
TCM5087DR
Texas Instruments
TCM5087DR by Texas Instruments is a Telephone Line IC in a small outline package with 16 terminals. It operates on 3.5-10V power supply, CMOS technology, and has a crystal frequency of 3.58MHz. Ideal for telecommunication applications due to its dual terminal position and low supply current of 0.01mA.
L3914AN
STMicroelectronics L3914AN is a Telephone Line IC with 28 terminals, operating at 3V. It features a rectangular package style, TIN LEAD finish, and operates b/w -25 °C to 75°C. Ideal for telecom applications requiring a multifunction circuit in commercial extended temperature environments.
TA31063N
Toshiba
TELEPHONE SPEECH CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 30; Package Code: SDIP; Package Shape: RECTANGULAR;
TCM5089D
Texas Instruments TCM5089D is a Telephone Line IC in a small outline package with dual terminal position. Operating from -40 to 85°C, it uses CMOS technology and consumes only 0.002 mA at 3/10V. Ideal for industrial applications requiring crystal frequency of 3.58MHz.
UBA1702AT
NXP Semiconductors
TELEPHONE MULTIFUNCTION CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: GULL WING; No. of Terminals: 28; Package Code: SOP; Package Shape: RECTANGULAR;
935008900112
TELEPHONE MULTIFUNCTION CIRCUIT; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 14; Package Code: DIP; Package Shape: RECTANGULAR;
TA31037N
TELEPHONE SPEECH CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: THROUGH-HOLE; No. of Terminals: 24; Package Code: SDIP; Package Shape: RECTANGULAR;
TA31076F(EL)
TELEPHONE RINGER CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 10; Package Code: SSOP; Package Shape: RECTANGULAR;
TA31075AF-TP1
TELEPHONE RINGER CIRCUIT; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 10; Package Code: SSOP; Package Shape: RECTANGULAR;
TEA1064AT/C2
TELEPHONE SPEECH CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: GULL WING; No. of Terminals: 20; Package Code: SOP; Package Shape: RECTANGULAR;
LT1684IS#TRPBF
Linear Technology
Telephone Circuits; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR; Peak Reflow Temperature (C): 260;
TEA1062AM1
TELEPHONE SPEECH CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: THROUGH-HOLE; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR;
E-LS1240AD1
E-LS1240AD1 by STMicroelectronics is a telephone ringer circuit IC designed for surface mount applications. It operates at a nominal voltage of 26V, with a max temp of 70 °C and features an 8-terminal gull-wing package. Ideal for telecom systems, it ensures reliable performance in various environments.
ML8205
STMicroelectronics ML8205 is a Telephone Line IC with 8 terminals, operating at -45 to 65 °C. It has a supply voltage of 29V and current of 4.2mA, suitable for telecom applications requiring bipolar technology in an inline package.
TEA1095/C1
SPEAKER PHONE CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: THROUGH-HOLE; No. of Terminals: 24; Package Code: DIP; Package Shape: RECTANGULAR;
UBA1702A
TELEPHONE MULTIFUNCTION CIRCUIT; Temperature Grade: COMMERCIAL EXTENDED; Terminal Form: THROUGH-HOLE; No. of Terminals: 28; Package Code: DIP; Package Shape: RECTANGULAR;
KS5852
Samsung
TELEPHONE DIALER CIRCUIT; Terminal Form: THROUGH-HOLE; No. of Terminals: 18; Package Code: DIP; Package Shape: RECTANGULAR; Length: 22.95 mm;
PCD3331-1P
TELEPHONE MULTIFUNCTION CIRCUIT; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR;
TCM5087N-10
TCM5087N-10 by Texas Instruments is a Telephone Line IC with 16 terminals, operating at -30 to 70°C. It features a 5V supply voltage, 10mA max current, and is used in TELEPHONE DIALER CIRCUITS. The package style is IN-LINE, measuring 19.304mm x 7.62mm x 5.08mm in size for through-hole mounting applications.
TP5088N
TP5088N by Texas Instruments is a Telephone Dialer Circuit IC with 14 terminals. It operates at 3/8V, CMOS technology, and consumes 2.5mA max supply current. Ideal for telephone line applications due to its compact IN-LINE package style and dual terminal position.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
UCC27284DRCR
UCC27284DRCR by Texas Instruments is a MOSFET gate driver with 2 channels, capable of handling a max output current of 3.5A. It operates in automotive-grade temperatures (-40 to 125°C) and has a turn-on/off time of 30µs. This chip carrier package with very thin profile is suitable for high side driver applications requiring fast switching speeds.
DRV8316RRGFR
DRV8316RRGFR by Texas Instruments is a motion control IC with a rectangular package and a terminal form of gull wing. It has a max output current of 8A and can operate at temperatures ranging from -40 to 125°C. This IC is commonly used as a brushless DC motor controller in automotive applications.
TPS7A4301DGQR
TPS7A4301DGQR by Texas Instruments is an adjustable positive single output LDO regulator with a max output voltage of 14.5V and a dropout voltage of 0.6V. It operates in temperatures ranging from -40 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
DS160PT801ACBR
DS160PT801ACBR by Texas Instruments is a bus controller IC with 339 terminals, operating at -40 to 85°C. It supports PCI bus compatibility with a data transfer rate of 2000 MBps. This CMOS technology device has a thin profile and fine pitch package suitable for industrial applications.
DRV3255EPAPRQ1
DRV3255EPAPRQ1 by Texas Instruments is a Motion Control IC with 64 terminals, operating at -40 to 150°C. It is an AEC-Q100 compliant automotive-grade IC for Brushless DC Motor control, supporting supply voltages from 5V to 90V and output currents up to 3.5A. The package style includes a flatpack with heat sink/slug, suitable for surface mount applications in automotive systems.
CC2662R1FTWRGZRQ1
CC2662R1FTWRGZRQ1 by Texas Instruments is a 32-bit microcontroller with Cortex-M4F CPU, 48 MHz clock frequency, and 81920 bytes of RAM. Ideal for industrial applications, it features 8 ADC channels, 32 DMA channels, and peripherals like AES and PWM for efficient system integration.
LMR43610MSC3RPERQ1
LMR43610MSC3RPERQ1 by Texas Instruments is a 9-terminal switching regulator with a max output voltage of 32V and max output current of 1A. Ideal for automotive applications, it operates b/w -40 to 150°C, featuring a buck switcher config and PWM control mode at up to 2200kHz frequency.
TCM5087D
Telephone Circuits; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR;
TCM5087J
Telephone Circuits; Temperature Grade: INDUSTRIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR;
TCM5087N
Telephone Circuits; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR;
TELEPHONE DIALER CIRCUIT; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR;
Telephone Circuits; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; Package Code: SOP; Package Shape: RECTANGULAR; Package Style (Meter): SMALL OUTLINE;
TCM5089DR
Telephone Circuits; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; Package Code: SOP; Package Shape: RECTANGULAR; Power Supplies (V): 3/10;
TCM5089J
TCM5089N
TCM5089N-10
TCM5091J
Telephone Circuits; Temperature Grade: INDUSTRIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 18; Package Code: DIP; Package Shape: RECTANGULAR;
TCM5091N
TCM5092J
TCM5092N
TCM5094N
TCM5094N-10
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