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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

Page 1114 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
AT87C51RB2-SLSUMMicrocontrollers (MCU)The AT87C51RB2-SLSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 512 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 AT87C51RB2-SLSUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$0.9000OBSOLETERFQ
AT87C51RC2-SLSULMicrocontrollers (MCU)The AT87C51RC2-SLSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 512 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-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 AT87C51RC2-SLSUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$5.26OBSOLETERFQ
AT87C51RC2-SLSUMMicrocontrollers (MCU)The AT87C51RC2-SLSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 512 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 AT87C51RC2-SLSUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcingRFQOBSOLETERFQ
AT87C51RD2-3CSULMicrocontrollers (MCU)The AT87C51RD2-3CSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 1K 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 AT87C51RD2-3CSUL 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$5.26OBSOLETERFQ
AT87C51RD2-3CSUMMicrocontrollers (MCU)The AT87C51RD2-3CSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 1K 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 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 AT87C51RD2-3CSUM 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 sourcingRFQOBSOLETERFQ
AT87C52X2-RLTULMicrocontrollers (MCU)The AT87C52X2-RLTUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 256 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 AT87C52X2-RLTUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$3.19OBSOLETERFQ
AT87C52X2-RLTUMMicrocontrollers (MCU)The AT87C52X2-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 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 AT87C52X2-RLTUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$2.88OBSOLETERFQ
AT87C52X2-SLRULMicrocontrollers (MCU)The AT87C52X2-SLRUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 256 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-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 AT87C52X2-SLRUL is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)18.932 In Stock$3.32ACTIVERFQ
AT87C52X2-SLSULMicrocontrollers (MCU)The AT87C52X2-SLSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 256 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-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 AT87C52X2-SLSUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$3.02OBSOLETERFQ
AT87C52X2CGF-SLSUMMicrocontrollers (MCU)The AT87C52X2CGF-SLSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 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-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 AT87C52X2CGF-SLSUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)8.619 In Stock$57.04ACTIVERFQ
AT87C52X2CRP-SLSUMMicrocontrollers (MCU)The AT87C52X2CRP-SLSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 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-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 AT87C52X2CRP-SLSUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)5.832 In Stock$7.32ACTIVERFQ
AT87C52X2DRG-SLSUMMicrocontrollers (MCU)The AT87C52X2DRG-SLSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 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-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 AT87C52X2DRG-SLSUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)5.832 In Stock$7.61ACTIVERFQ
AT87C52X2S278-RLTUMMicrocontrollers (MCU)The AT87C52X2S278-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 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 AT87C52X2S278-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP12.838 In Stock$4.65ACTIVERFQ
AT87C54X2-3CSUMMicrocontrollers (MCU)The AT87C54X2-3CSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 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 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 AT87C54X2-3CSUM 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$4.19OBSOLETERFQ
AT87C54X2-RLTULMicrocontrollers (MCU)The AT87C54X2-RLTUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 256 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 AT87C54X2-RLTUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$3.60OBSOLETERFQ
AT87C54X2-RLTUMMicrocontrollers (MCU)The AT87C54X2-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 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 AT87C54X2-RLTUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$3.32OBSOLETERFQ
AT87C54X2-SLRUMMicrocontrollers (MCU)The AT87C54X2-SLRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 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-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 AT87C54X2-SLRUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$4.32OBSOLETERFQ
AT87C54X2-SLSULMicrocontrollers (MCU)The AT87C54X2-SLSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 256 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-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 AT87C54X2-SLSUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$3.07OBSOLETERFQ
AT87C54X2DIW-SLRUMMicrocontrollers (MCU)The AT87C54X2DIW-SLRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 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-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 AT87C54X2DIW-SLRUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)2.000 In Stock$6.34ACTIVERFQ
AT87C54X2DJZ-3CSUMMicrocontrollers (MCU)The AT87C54X2DJZ-3CSUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 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 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 AT87C54X2DJZ-3CSUM is currently in active production through Rochester Electronics's standard distribution channels.40-DIP (0.600", 15.24mm)3.138 In Stock$6.53ACTIVERFQ

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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