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
GD32F303CCT6 by Gigadevice is a 32-bit microcontroller with Cortex-M4 CPU, offering 262144 ROM words and 12288 RAM words. It features 10-Ch 12-Bit ADC, 2-Ch 12-Bit DAC, and peripherals like DMA(12), PWM, and USART(3). Ideal for industrial applications requiring high-speed processing up to 50 MHz in a compact form factor of 7x7 mm.
Median Price
$7.803
Lifecycle Status
Suppliers In-Stock
6
In-Stock Inventory
1k+
Arco Inc. (Authorized)
1+ parts
-
100+ parts
1k+ parts
10k+ parts
Maritex
Chip Stock
Kruse Electronics AG
Vyrian
Nova Conductors
iBuyXS LLC
$1.500
Aztec Data Supply Inc.
$74.560
GreenTree Electronics
Futuretech Components
Kepictronics
Infinite Electronics LLP (Excess)
BidChips
Continental Prestige Electronics
Authorized Procurement Solutions
Argo Parts USA
Bastille Electronics
Glotronic Ltd.
This material provides good durability and protection for the microcontroller, ensuring a longer lifespan for the product.
Allows for flexible power supply options and compatibility with a wide range of applications.
The Cortex-M4 architecture offers high performance and efficiency, making this microcontroller suitable for various tasks.
Ample memory capacity for storing program data and instructions, enabling complex applications to run smoothly.
Multiple ADC channels with high resolution enable precise analog signal conversion, making the microcontroller suitable for sensor interfacing applications.
Versatile connectivity options allow for easy integration with different communication protocols and devices.
High clock frequency enables fast processing speeds, improving overall system performance.
Low power mode functionality helps conserve energy and prolong battery life, ideal for battery-powered applications.
Microcontrollers GD32F303CCT6 attributes and parameters. Explore more Microcontrollers devices from Gigadevice Semiconductor
ADC Channels:
Address Bus Width:
Bit Size:
Boundary Scan:
CPU Family:
Maximum Clock Frequency:
DAC Channels:
DMA Channels:
External Data Bus Width:
Format:
Integrated Cache:
JESD-30 Code:
Length:
Low Power Mode:
No. of DMA Channels:
No. of External Interrupts:
No. of I/O Lines:
No. of Serial I/Os:
No. of Terminals:
No. of Timers:
On Chip Data RAM Width:
On Chip Program ROM Width:
Maximum Operating Temperature:
Minimum Operating Temperature:
PWM Channels:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
RAM Bytes:
RAM Words:
ROM Words:
ROM Programmability:
Maximum Seated Height:
Speed:
Maximum Supply Voltage:
Minimum Supply Voltage:
Nominal Supply Voltage:
Surface Mount:
Technology:
Temperature Grade:
Terminal Form:
Terminal Pitch:
Terminal Position:
Width:
Peripheral IC Type:
Data EEPROM Size:
Connectivity:
Peripherals:
Analog To Digital Convertors:
Digital To Analog Convertors:
GD32F303CCT6 Peripheral ICs trade compliance attributes, and parameters.
ECCN
3A991
ECCN Governance
EAR
HTS
8542.31.00.01
SB
8542.31.00.00
GigaDevice Semiconductor Inc. (SSE Code: 603986) is a world-leading fabless supplier founded in April 2005 and headquartered in Beijing, China. In addition to our branches and offices in many regions and countries such as Shanghai, Shenzhen, Hefei, Xi'an, Chengdu, Suzhou, Hong Kong, the US, South Korea, Japan, the UK, Germany, and Singapore, GigaDevice's global sales network also provides our customers with fast, high-quality and localized services. GigaDevice's core product lines are Flash, 32-bit general-purpose MCU, smart human-machine interaction sensors, analog products and solutions. GigaDevice's industry-proven products are renowned for high performance and low power consumption.
BAV99
Lite-on Technology
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us;
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Sinyork
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Operating Temperature: 85 Cel; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Operating Mode: ENHANCEMENT MODE;
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Semitronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Eic Semiconductor
STMicroelectronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Drain Current (ID): .2 A; Transistor Application: SWITCHING;
Rugao Dachang Electronic
NUP2105LT1G
Onsemi
NUP2105LT1G by Onsemi is a Transient Suppression Device with 350W power dissipation, 29.1V breakdown voltage, and 44V clamping voltage. Commonly used in electronic circuits for surge protection due to its bidirectional polarity and silicon diode element material.
Zetex Plc
RECTIFIER DIODE; Surface Mount: NO; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Output Current: .15 A; Maximum Repetitive Peak Reverse Voltage: 100 V; No. of Phases: 1;
LM358N
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
CSNF651
Honeywell Sensing And Control
CSNF651 by Honeywell Sensing And Control is an industrial-grade analog circuit with 3 terminals. It operates b/w -40 to 85°C, supporting supply voltages from -15V to 15V. Ideal for applications requiring a special shape rectangular package style and through-hole terminal form.
STM32F401CDY6TR
STM32F401CDY6TR by STMicroelectronics is a 32-bit microcontroller with 393216 ROM words, 50 MHz clock frequency, and 36 I/O lines. It is used in applications requiring high-speed processing, such as industrial automation and consumer electronics.
Fairchild Semiconductor
STM8S003F3P6TR
STM8S003F3P6TR by STMicroelectronics is an 8-bit microcontroller with a max clock frequency of 16 MHz. It features 1024 RAM bytes, 128 data EEPROM size, and 5-ch 10-bit ADC channels. Ideal for industrial applications requiring low power mode and connectivity via I2C, SPI, and UART interfaces.
LM107H
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Code: TO-99; Package Shape: ROUND;
2N2222A
New England Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BSS138LT3G
BSS138LT3G by Onsemi is a N-CHANNEL FET with a min DS breakdown voltage of 50V. It is used for switching applications and has a max drain current of 0.2A and max drain-source on resistance of 3.5 ohm.
North American Philips Discrete Products Div
RECTIFIER DIODE; Surface Mount: NO; Maximum Forward Voltage (VF): 1 V; JESD-609 Code: e0; Maximum Repetitive Peak Reverse Voltage: 100 V; Terminal Finish: Tin/Lead (Sn/Pb);
STM32F429VET6
STM32F429VET6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M4 CPU. It features 262144 bytes of RAM, 524288 ROM words, and 16-Ch 12-Bit ADC channels. Ideal for industrial applications requiring CAN, ETHERNET, USB connectivity and operating temperature range from -40 to 85 °C.
STM32G431KBU6
STM32G431KBU6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M4 CPU, 32768 bytes RAM, and 131072 ROM words. It features 12 DMA channels, 11 ADC channels, and 2 DAC channels. Ideal for industrial applications requiring high-speed processing and low power consumption.
ATMEGA1280-16AU
Microchip Technology
ATMEGA1280-16AU by Microchip Technology is a microcontroller with 8-bit data RAM and 16-bit address bus width. It has a max clock frequency of 16 MHz and is commonly used in industrial applications for its low power mode and wide range of peripherals such as BOD, PWM, RTC, and more.
TMS5703137DPGEQQ1
Texas Instruments
TMS5703137DPGEQQ1 by Texas Instruments is a 32-bit microcontroller with 144 terminals, operating at up to 80 MHz. Ideal for automotive applications, it features 24-Ch 12-Bit ADCs, CAN, Ethernet, and low power mode. With on-chip ROM of 3145728 words and RAM of 256 words, this Cortex-R4F CPU family device offers high performance in a compact package.
STM32F405ZGT6J
STM32F405ZGT6J by STMicroelectronics is a 32-bit microcontroller with 144 terminals, operating at a max clock frequency of 26 MHz. It features ADC and DMA channels, suitable for applications requiring high-speed processing and precise analog-to-digital conversion. Ideal for compact designs due to its square shape, low profile package style, and fine pitch terminal form.
PIC18F26K22-I/ML
PIC18F26K22-I/ML by Microchip is an 8-bit microcontroller with 5.5V max supply voltage, suitable for industrial applications. Features include 28 terminals, 64MHz clock frequency, and 256 bytes of data EEPROM. It offers various peripherals like PWM(3) and USART(2), making it ideal for low power mode operations at -40 to 85°C temperatures.
ATMEGA328P-PN
ATMEGA328P-PN by Microchip: 8-bit RISC CPU, 20 MHz clock, 2/5 V supply. Ideal for industrial applications with SPI, TWI, USART connectivity and low power mode. Contains 6-Ch ADC, 10-Bit DAC channels, and FLASH ROM programmability.
STM32G431RBT6
STM32G431RBT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M4 CPU, 48 MHz clock frequency, and 32768 bytes of RAM. It features 23-Ch 12-Bit ADC channels, 2-Ch 12-Bit DAC channels, and low power mode. Ideal for industrial applications requiring high-speed processing and analog-to-digital conversion capabilities.
LPC1227FBD64/301,151
NXP Semiconductors
NXP Semiconductors' LPC1227FBD64/301,151 is a 32-bit microcontroller with 55 I/O lines and ADC/DMA channels. Operating at 25 MHz, it has a supply voltage range of 3-3.6 V and is ideal for applications requiring high-speed processing in compact designs like IoT devices and consumer electronics.
MK64FN1M0VLL12
The NXP Semiconductors MK64FN1M0VLL12 microcontroller features 100 terminals, 3.6V max supply voltage, and 50MHz clock frequency. Ideal for industrial applications requiring a RISC-based microcontroller with DAC, ADC, PWM channels, and DMA support in a compact square package.
ATMEGA328P-ANR
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 32; Package Code: TQFP; Package Shape: SQUARE;
STM32F303CBT6
STM32F303CBT6 by STMicroelectronics is a 32-bit microcontroller with 48 terminals, operating at a max frequency of 32 MHz. It features DAC and ADC channels, along with DMA support. Ideal for industrial applications requiring high-speed processing and precise analog-to-digital conversion.
ATMEGA64A-AU
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: TQFP; Package Shape: SQUARE;
STM32F407ZET7
STM32F407ZET7 by STMicroelectronics is a 32-bit microcontroller with Cortex-M4 CPU, 196608 RAM bytes, and 24-Ch 12-Bit ADC channels. Ideal for industrial applications requiring CAN, ETHERNET, I2C(3), SPI(3), UART(2), USB(2) connectivity and low power mode support. Operating temperature range from -40 to 105 °C with max clock frequency of 26 MHz.
ATMEGA88PA-MUR
ATMEGA88PA-MUR by Microchip Technology is an 8-bit microcontroller with a max clock frequency of 20 MHz. It features 23 I/O lines, 8 ADC channels, and connectivity options like SPI and TWI. Ideal for industrial applications requiring low power consumption and fixed-point format programming.
STM32F205RCT6
STM32F205RCT6 by STMicroelectronics is a 32-bit microcontroller with 64 terminals, operating at -40 to 85°C. It features 2 DAC and 16 ADC channels, along with 17 timers and various connectivity options like CAN, I2C, SPI, UART, USB. Ideal for industrial applications requiring high-speed processing and multiple I/O lines.
STM32H563VIT6
MICROCONTROLLER, RISC;
STM32H733ZGT6
STM32F401VET6
STM32F401VET6 by STMicroelectronics is a 32-bit microcontroller with 524288 ROM words. It features 16-Ch 12-Bit ADC channels, 81 I/O lines, and peripherals like BOR, DMA(2), RTC. Ideal for industrial applications due to its -40 to 85 °C operating temperature range and low profile flatpack package style.
ATMEGA2560-16AU
ATMEGA2560-16AU by Microchip: 16 MHz clock, 131072 ROM words, 86 I/O lines. Ideal for industrial applications requiring a powerful microcontroller with SPI, TWI, USART connectivity and low power mode capabilities.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
GD32F103CBT6
Gigadevice Semiconductor
Gigadevice Semiconductor's GD32F103CBT6 microcontroller features a 32-bit Cortex-M3 CPU, 131072 ROM words, and 5120 RAM words. With CAN, I2C, SPI, USART, and USB connectivity options, it is ideal for industrial applications requiring a max clock frequency of 32 MHz. The low-profile package style with a flatpack design makes it suitable for space-constrained environments.
GD32F103C8T6
Gigadevice Semiconductor's GD32F103C8T6 microcontroller features a 32-bit Cortex-M3 CPU, 10-Ch 12-Bit ADC, and 3 timers. With CAN, I2C, SPI, USART, and USB connectivity options, it is ideal for industrial applications requiring low power consumption and a max clock frequency of 32 MHz.
GD32F407VGT6
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 100; Package Code: LFQFP; Package Shape: SQUARE;
GD32F103VET6
GD32F303RCT6
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: LFQFP; Package Shape: SQUARE;
GD32F405RGT6
GD32F450ZIT6
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 144; Package Code: LFQFP; Package Shape: SQUARE;
GD32VF103CBT6
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 48; Package Code: LFQFP; Package Shape: SQUARE;
GD32F303VGT6
GD32F303VGT6 by Gigadevice Semiconductor is a 32-bit microcontroller with Cortex-M4 CPU, 50 MHz clock frequency, and 262144 ROM words. Ideal for industrial applications, it features 16 ADC channels, 12 DMA channels, and peripherals like CAN, I2C, SPI, UART, and USB for versatile connectivity.
GD32F105RBT6
GD32F450VET6
GD32F470VGT6
MICROCONTROLLER, RISC; Terminal Form: GULL WING; No. of Terminals: 100; Package Code: LFQFP; Package Shape: SQUARE; RAM Bytes: 524288;
GD32F103RET6
GD32F103RET6 by Gigadevice Semiconductor is a 32-bit microcontroller with a max clock frequency of 32 MHz. It features 64 terminals, 16 external interrupts, and 7 DMA channels. This microcontroller is commonly used in industrial applications due to its low power mode and wide range of connectivity options including CAN, I2C, I2S, SPI, USART, UART, and USB.
GD32F407ZGT6
GD32F450IIH6
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: BALL; No. of Terminals: 201; Package Code: VFBGA; Package Shape: SQUARE;
GD32VF103VBT6
GD32VF103VBT6 by Gigadevice: 32-bit microcontroller with 3.6V max supply, 50MHz clock speed, and 16 ADC channels. Ideal for industrial applications requiring CAN, I2C, SPI connectivity and low power mode.
GD32E230K8U6
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 32; Package Code: HVQCCN; Package Shape: SQUARE;
GD32F103VCT6
GD32F103ZET6
GD32F303CGT6
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