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Rochester Electronics

📍 Newburyport, Massachusetts, USA📅 Est. 1981🔗 Official Site →

Rochester Electronics is the world's largest authorized distributor of end-of-life (EOL) semiconductors, providing a continuous source of supply for critical applications. Rochester is authorized by over 70 semiconductor manufacturers to continue the supply of their discontinued products with full manufacturer quality and traceability.

106.490
Total Parts
75.392
In Stock
101
Categories
75.398
Active
30.906
EOL/Obsolete

Key Product Lines

End-of-Life SemiconductorsObsolete ComponentsLicensed ManufacturingLong-Term SupplyDrop-In ReplacementsMilitary/Aerospace Grade

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Rochester Electronics authorized parts available through FPGACenter. Military and aerospace obsolete components with full traceability.

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Rochester Electronics Product Categories

Microcontrollers (MCU) (9283)Op Amps & Instrumentation Amplifiers (6708)Specialized ICs (6550)Buffers, Drivers, Receivers & Transceivers (6085)Gates & Inverters (5995)Linear Regulators (LDO) (5541)Drivers, Receivers & Transceivers (5534)SRAM (4418)Supervisors & Reset ICs (4368)ADC - Analog to Digital Converters (3457)Signal Switches, MUX & Decoders (3324)DAC - Digital to Analog Converters (2917)Flip-Flops (2474)Analog Switches & Multiplexers (2152)DC-DC Switching Controllers (1924)DC-DC Switching Regulators (1829)Clock Generators, PLLs & Synthesizers (1550)DSP - Digital Signal Processors (1474)Voltage References (1430)Counters & Dividers (1410)Microprocessors (MPU) (1145)EEPROM (1096)Shift Registers (1011)Specialized Power Management (1007)General Memory ICs (993)Digital Potentiometers (984)Audio Amplifiers (948)Gate Drivers (899)Latches (899)FPGAs (783)Telecom ICs (779)FIFO Memory (747)Power Distribution Switches (653)Interface Controllers (651)Analog Comparators (636)PLDs - Programmable Logic Devices (604)Linear Regulator Controllers (581)AC-DC Converters & Offline Switchers (574)Special Purpose ICs (570)ADC/DAC - Special Purpose (555)CPLDs (540)LED Drivers (540)Motor Drivers & Controllers (534)Flash Memory (476)Translators & Level Shifters (467)Specialty Logic (448)Video Processing ICs (414)Clock Buffers & Drivers (407)Delay Lines (389)Battery Management ICs (372)Audio Special Purpose ICs (370)Video Amplifiers (365)Logic Comparators (306)Analog Switches - Special Purpose (301)Hot Swap Controllers (270)Display Drivers (268)Audio CODECs (251)Encoders, Decoders & Converters (245)Battery Chargers (243)Special Purpose Amplifiers (228)Real-Time Clocks (RTC) (218)UARTs (217)Programmable Timers & Oscillators (217)Active Filters (213)Multivibrators (207)PFC Controllers (194)Power Supply Controllers & Monitors (193)Full & Half-Bridge Drivers (178)Analog Multipliers & Dividers (177)I/O Expanders (175)ROM & NVRAM (171)Parity Generators & Checkers (170)Serializers & Deserializers (164)Sensor & Detector Interfaces (160)Application Specific Processors (155)Linear & Switching Controllers (142)Analog Front End (AFE) (135)Modems (128)Universal Bus Functions (121)EPROM (107)Lighting & Ballast Controllers (103)Thermal Management ICs (102)Signal Terminators (96)System On Chip (SoC) (91)Current Regulation & Management (84)Energy Metering ICs (72)RMS to DC Converters (60)Configuration PROMs for FPGAs (52)Touch Screen Controllers (51)Capacitive Touch Sensors (51)FRAM & MRAM (50)Laser Drivers (48)Signal Buffers, Repeaters & Splitters (47)PoE Controllers (39)V/F and F/V Converters (35)Direct Digital Synthesis (DDS) (32)DRAM & SDRAM (27)OR Controllers & Ideal Diodes (24)MCU, MPU & FPGA Modules (5)Voice Record & Playback (5)Interface Modules (2)

All Rochester Electronics Products

Page 1120 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
AT91SAM7S161-AUMicrocontrollers (MCU)The AT91SAM7S161-AU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 4K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S161-AU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.64-LQFPRFQ for sourcing$3.78OBSOLETERFQ
AT91SAM7S256-AU-001Microcontrollers (MCU)The AT91SAM7S256-AU-001 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256KB (256K x 8) Flash memory, 64K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S256-AU-001 is currently in active production through Rochester Electronics's standard distribution channels.64-LQFP10.050 In Stock$56.65ACTIVERFQ
AT91SAM7S256B-AU-001Microcontrollers (MCU)The AT91SAM7S256B-AU-001 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256KB (256K x 8) Flash memory, 64K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S256B-AU-001 is currently in active production through Rochester Electronics's standard distribution channels.64-LQFP28.375 In Stock$0.4410ACTIVERFQ
AT91SAM7S256C-AUMicrocontrollers (MCU)The AT91SAM7S256C-AU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256KB (256K x 8) Flash memory, 64K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S256C-AU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.64-LQFPRFQ for sourcing$0.9000OBSOLETERFQ
AT91SAM7S256C-MUMicrocontrollers (MCU)The AT91SAM7S256C-MU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256KB (256K x 8) Flash memory, 64K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S256C-MU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.64-VFQFN Exposed PadRFQ for sourcing$20.16OBSOLETERFQ
AT91SAM7S256C-MU-999Microcontrollers (MCU)The AT91SAM7S256C-MU-999 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256KB (256K x 8) Flash memory, 64K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S256C-MU-999 is currently in active production through Rochester Electronics's standard distribution channels.64-VFQFN Exposed Pad19.153 In Stock$0.9000ACTIVERFQ
AT91SAM7S32-AU-999Microcontrollers (MCU)The AT91SAM7S32-AU-999 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 8K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 48-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S32-AU-999 is currently in active production through Rochester Electronics's standard distribution channels.48-LQFP2.002 In Stock$9.38ACTIVERFQ
AT91SAM7S321-MUMicrocontrollers (MCU)The AT91SAM7S321-MU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 8K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S321-MU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.64-VFQFN Exposed PadRFQ for sourcing$4.54OBSOLETERFQ
AT91SAM7S32B-MUMicrocontrollers (MCU)The AT91SAM7S32B-MU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 8K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 48-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S32B-MU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.48-VFQFN Exposed PadRFQ for sourcing$14.40OBSOLETERFQ
AT91SAM7S512-MUMicrocontrollers (MCU)The AT91SAM7S512-MU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 512KB (512K x 8) Flash memory, 64K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S512-MU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.64-VFQFN Exposed PadRFQ for sourcing$11.08OBSOLETERFQ
AT91SAM7S512-MU-999Microcontrollers (MCU)The AT91SAM7S512-MU-999 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 512KB (512K x 8) Flash memory, 64K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S512-MU-999 is currently in active production through Rochester Electronics's standard distribution channels.64-VFQFN Exposed Pad947 In StockRFQACTIVERFQ
AT91SAM7S64B-AU-999Microcontrollers (MCU)The AT91SAM7S64B-AU-999 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 16K x 8 RAM, 55MHz clock speed, and I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 64-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7S64B-AU-999 is currently in active production through Rochester Electronics's standard distribution channels.64-LQFP13.929 In Stock$0.4410ACTIVERFQ
AT91SAM7SE256-AUMicrocontrollers (MCU)The AT91SAM7SE256-AU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256KB (256K x 8) Flash memory, 32K x 8 RAM, 55MHz clock speed, and EBI/EMI, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 128-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7SE256-AU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.128-LQFPRFQ for sourcing$23.40OBSOLETERFQ
AT91SAM7SE256-CUMicrocontrollers (MCU)The AT91SAM7SE256-CU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256KB (256K x 8) Flash memory, 32K x 8 RAM, 55MHz clock speed, and EBI/EMI, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 144-LFBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7SE256-CU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.144-LFBGARFQ for sourcing$40.00OBSOLETERFQ
AT91SAM7SE32-CUMicrocontrollers (MCU)The AT91SAM7SE32-CU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 8K x 8 RAM, 55MHz clock speed, and EBI/EMI, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 144-LFBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7SE32-CU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.144-LFBGARFQ for sourcing$0.9000OBSOLETERFQ
AT91SAM7SE32-CU-999Microcontrollers (MCU)The AT91SAM7SE32-CU-999 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 8K x 8 RAM, 55MHz clock speed, and EBI/EMI, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 144-LFBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7SE32-CU-999 is currently in active production through Rochester Electronics's standard distribution channels.144-LFBGA11.580 In Stock$0.4410ACTIVERFQ
AT91SAM7SE32B-CURMicrocontrollers (MCU)The AT91SAM7SE32B-CUR is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 8K x 8 RAM, 55MHz clock speed, and EBI/EMI, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 144-LFBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7SE32B-CUR is currently in active production through Rochester Electronics's standard distribution channels.144-LFBGA6.000 In Stock$10.01ACTIVERFQ
AT91SAM7SE512-AUMicrocontrollers (MCU)The AT91SAM7SE512-AU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 512KB (512K x 8) Flash memory, 32K x 8 RAM, 55MHz clock speed, and EBI/EMI, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 128-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7SE512-AU is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.128-LQFPRFQ for sourcing$21.68OBSOLETERFQ
AT91SAM7SE512-CU-999Microcontrollers (MCU)The AT91SAM7SE512-CU-999 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 512KB (512K x 8) Flash memory, 32K x 8 RAM, 55MHz clock speed, and EBI/EMI, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 144-LFBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7SE512-CU-999 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.144-LFBGARFQ for sourcing$45.00OBSOLETERFQ
AT91SAM7X128C-CUMicrocontrollers (MCU)The AT91SAM7X128C-CU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 128KB (128K x 8) Flash memory, 32K x 8 RAM, 55MHz clock speed, and CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Surface Mount component is supplied in a 100-TFBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT91SAM7X128C-CU is currently in active production through Rochester Electronics's standard distribution channels.100-TFBGA4.248 In Stock$3.73ACTIVERFQ

Frequently Asked Questions

Where can I buy Rochester Electronics electronic components?

FPGACenter stocks 106.490 Rochester Electronics part numbers with 75.392 currently in stock. All parts are 100% original with full traceability. No minimum order quantity required. Submit an RFQ for competitive pricing.

Can I still get obsolete Rochester Electronics parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 30.906 end-of-life/obsolete Rochester Electronics part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Rochester Electronics products does FPGACenter carry?

We stock Rochester Electronics products across 101 categories including End-of-Life Semiconductors, Obsolete Components, Licensed Manufacturing, Long-Term Supply. Browse our full catalog or contact our sourcing team for any specific Rochester Electronics part number.

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