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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

✅ Why Source Rochester Electronics from FPGACenter

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

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Part NumberCategoryDescriptionPackageStockPriceStatus
AT6002-4ACFPGAsThe AT6002-4AC is an FPGA manufactured by Rochester Electronics. Key technical specifications include 1024 logic elements, 6000 gates, 4.75V ~ 5.25V supply voltage, and 0°C ~ 70°C (TC) operating temperature; design review should also confirm logic resources, I/O planning, and clock constraints. This Surface Mount component is supplied in a 100-TQFP package and is rated for operation across 0°C ~ 70°C (TC). Designed for 5G infrastructure, AI accelerators, and data center fabrics applications, the AT6002-4AC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.100-TQFPRFQ for sourcing$19.02OBSOLETERFQ
AT6002-4QIFPGAsThe AT6002-4QI is an FPGA manufactured by Rochester Electronics. Key technical specifications include 1024 logic elements, 96 gates, 4.5V ~ 5.5V supply voltage, and -40°C ~ 85°C (TC) operating temperature; design review should also confirm logic resources, I/O planning, and clock constraints. This Surface Mount component is supplied in a 132-BQFP Bumpered package and is rated for operation across -40°C ~ 85°C (TC). Designed for 5G infrastructure, AI accelerators, and data center fabrics applications, the AT6002-4QI is currently in active production through Rochester Electronics's standard distribution channels.132-BQFP Bumpered12.081 In Stock$6.49ACTIVERFQ
AT6003-4ACFPGAsThe AT6003-4AC is an FPGA manufactured by Rochester Electronics. Key technical specifications include 1600 logic elements, 9000 gates, 4.75V ~ 5.25V supply voltage, and 0°C ~ 70°C (TC) operating temperature; design review should also confirm logic resources, I/O planning, and clock constraints. This Surface Mount component is supplied in a 100-TQFP package and is rated for operation across 0°C ~ 70°C (TC). Designed for 5G infrastructure, AI accelerators, and data center fabrics applications, the AT6003-4AC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.100-TQFPRFQ for sourcing$32.33OBSOLETERFQ
AT73SC281Specialized ICsThe AT73SC281 is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the AT73SC281 is currently in active production through Rochester Electronics's standard distribution channels.2.387 In StockRFQACTIVERFQ
AT76C517-1-JCT100Specialized ICsThe AT76C517-1-JCT100 is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the AT76C517-1-JCT100 is currently in active production through Rochester Electronics's standard distribution channels.676 In StockRFQACTIVERFQ
AT80251G1DDNT-SLRUMMicrocontrollers (MCU)The AT80251G1DDNT-SLRUM is a microcontroller manufactured by Rochester Electronics. Design review should confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, Flash memory, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80251G1DDNT-SLRUM is currently in active production through Rochester Electronics's standard distribution channels.2.000 In Stock$11.70ACTIVERFQ
AT80251G2D-RLTULMicrocontrollers (MCU)The AT80251G2D-RLTUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 1K x 8 RAM, 24MHz clock speed, and EBI/EMI, I²C, Microwire, SPI, 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 44-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80251G2D-RLTUL is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP12.999 In Stock$0.9000ACTIVERFQ
AT80251G2D-SLRUMMicrocontrollers (MCU)The AT80251G2D-SLRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 1K x 8 RAM, 24MHz clock speed, and EBI/EMI, I²C, Microwire, SPI, 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 44-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80251G2D-SLRUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcingRFQOBSOLETERFQ
AT80571PH0772MLMicrocontrollers (MCU)The AT80571PH0772ML is a microcontroller manufactured by Rochester Electronics. Technical highlights include 2.93GHz clock speed; design review should confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, Flash memory, package fit, and operating temperature limits. This standard mount component is supplied in a 775-LGA package and is rated for operation across 74.1°C (TC). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80571PH0772ML is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.775-LGARFQ for sourcing$82.18OBSOLETERFQ
AT80601002865AASpecialized ICsThe AT80601002865AA is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the AT80601002865AA is currently in active production through Rochester Electronics's standard distribution channels.1.459 In Stock$193.95ACTIVERFQ
AT80601002868AASpecialized ICsThe AT80601002868AA is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the AT80601002868AA is currently in active production through Rochester Electronics's standard distribution channels.770 In Stock$166.39ACTIVERFQ
AT80602000753AASpecialized ICsThe AT80602000753AA is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the AT80602000753AA is currently in active production through Rochester Electronics's standard distribution channels.33.160 In Stock$1403.95ACTIVERFQ
AT80602000756ADSpecialized ICsThe AT80602000756AD is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the AT80602000756AD is currently in active production through Rochester Electronics's standard distribution channels.10.902 In Stock$1455.94ACTIVERFQ
AT80602000771AASpecialized ICsThe AT80602000771AA is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the AT80602000771AA is currently in active production through Rochester Electronics's standard distribution channels.2.614 In StockRFQACTIVERFQ
AT80C31X2-3CSULMicrocontrollers (MCU)The AT80C31X2-3CSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 128 x 8 RAM, 30/20MHz clock speed, and UART/USART connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This Through Hole component is supplied in a 40-DIP (0.600", 15.24mm) package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80C31X2-3CSUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.40-DIP (0.600", 15.24mm)RFQ for sourcing$2.35OBSOLETERFQ
AT80C31X2-RLTULMicrocontrollers (MCU)The AT80C31X2-RLTUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 128 x 8 RAM, 30/20MHz clock speed, and 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 44-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80C31X2-RLTUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$3.94OBSOLETERFQ
AT80C31X2-RLTUMMicrocontrollers (MCU)The AT80C31X2-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 128 x 8 RAM, 40/20MHz clock speed, and 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 44-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80C31X2-RLTUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$0.9000OBSOLETERFQ
AT80C31X2-SLRUMMicrocontrollers (MCU)The AT80C31X2-SLRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 128 x 8 RAM, 40/20MHz clock speed, and 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 44-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80C31X2-SLRUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)14.025 In Stock$11.04ACTIVERFQ
AT80C32X2-RLRUMMicrocontrollers (MCU)The AT80C32X2-RLRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256 x 8 RAM, 40/20MHz clock speed, and 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 44-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80C32X2-RLRUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$0.4410OBSOLETERFQ
AT80C32X2-RLTUMMicrocontrollers (MCU)The AT80C32X2-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 256 x 8 RAM, 40/20MHz clock speed, and 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 44-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80C32X2-RLTUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$0.0090OBSOLETERFQ

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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