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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

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Part NumberCategoryDescriptionPackageStockPriceStatus
AT80C52X2DVN-SLRUMMicrocontrollers (MCU)The AT80C52X2DVN-SLRUM 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 AT80C52X2DVN-SLRUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)6.000 In Stock$10.02ACTIVERFQ
AT80C52X2DYE-SLSUMMicrocontrollers (MCU)The AT80C52X2DYE-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 AT80C52X2DYE-SLSUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)5.832 In Stock$3.57ACTIVERFQ
AT80C52X2DYF-RLTUMMicrocontrollers (MCU)The AT80C52X2DYF-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 AT80C52X2DYF-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP3.954 In Stock$3.62ACTIVERFQ
AT80C52XDOI-3CSULMicrocontrollers (MCU)The AT80C52XDOI-3CSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 256 x 8 RAM, and UART/USART connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This - component is supplied in a standard package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT80C52XDOI-3CSUL is currently in active production through Rochester Electronics's standard distribution channels.1.669 In Stock$6.46ACTIVERFQ
AT80C54X2DZE-RLTUMMicrocontrollers (MCU)The AT80C54X2DZE-RLTUM 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 AT80C54X2DZE-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.4.800 In Stock$4.02ACTIVERFQ
AT83C5134FP-PNTULMicrocontrollers (MCU)The AT83C5134FP-PNTUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 1K x 8 RAM, 48MHz clock speed, and EBI/EMI, I²C, SPI, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This - component is supplied in a standard package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT83C5134FP-PNTUL is currently in active production through Rochester Electronics's standard distribution channels.38.371 In Stock$0.6512ACTIVERFQ
AT83C5136DXN-TIRULMicrocontrollers (MCU)The AT83C5136DXN-TIRUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 1K x 8 RAM, 48MHz clock speed, and EBI/EMI, I²C, SPI, UART/USART, USB connectivity; design review should also confirm GPIO, SPI, I2C, UART, ADC peripherals, clock speed, and Flash memory. This - component is supplied in a standard package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT83C5136DXN-TIRUL is currently in active production through Rochester Electronics's standard distribution channels.3.474 In Stock$2.00ACTIVERFQ
AT83C51RB2DJE-SLRUMMicrocontrollers (MCU)The AT83C51RB2DJE-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 AT83C51RB2DJE-SLRUM is currently in active production through Rochester Electronics's standard distribution channels.13.200 In Stock$1.53ACTIVERFQ
AT83C51RB2DJE-SLSUMMicrocontrollers (MCU)The AT83C51RB2DJE-SLSUM 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 AT83C51RB2DJE-SLSUM is currently in active production through Rochester Electronics's standard distribution channels.5.832 In Stock$1.53ACTIVERFQ
AT83C51RB2DMZ-RLRUMMicrocontrollers (MCU)The AT83C51RB2DMZ-RLRUM 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 AT83C51RB2DMZ-RLRUM is currently in active production through Rochester Electronics's standard distribution channels.7.200 In Stock$1.44ACTIVERFQ
AT83C51RB2DYI-RLRZMMicrocontrollers (MCU)The AT83C51RB2DYI-RLRZM 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 AT83C51RB2DYI-RLRZM is currently in active production through Rochester Electronics's standard distribution channels.13.500 In Stock$1.53ACTIVERFQ
AT83C51RC2DWL-RLTXMMicrocontrollers (MCU)The AT83C51RC2DWL-RLTXM 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 AT83C51RC2DWL-RLTXM is currently in active production through Rochester Electronics's standard distribution channels.18.223 In Stock$1.80ACTIVERFQ
AT83C51RC2EDA-RLTUMMicrocontrollers (MCU)The AT83C51RC2EDA-RLTUM 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 AT83C51RC2EDA-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.1.875 In Stock$1.53ACTIVERFQ
AT83C51RC2WPB-RLTUMMicrocontrollers (MCU)The AT83C51RC2WPB-RLTUM 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 AT83C51RC2WPB-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.4.800 In Stock$1.44ACTIVERFQ
AT87C5101-TDSUVMicrocontrollers (MCU)The AT87C5101-TDSUV 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 AT87C5101-TDSUV is currently in active production through Rochester Electronics's standard distribution channels.7.326 In Stock$3.47ACTIVERFQ
AT87C51RB2-3CSUMMicrocontrollers (MCU)The AT87C51RB2-3CSUM 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 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 AT87C51RB2-3CSUM 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
AT87C51RB2-RLTULMicrocontrollers (MCU)The AT87C51RB2-RLTUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K 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-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT87C51RB2-RLTUL is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$6.06OBSOLETERFQ
AT87C51RB2-RLTUMMicrocontrollers (MCU)The AT87C51RB2-RLTUM 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-LQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT87C51RB2-RLTUM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LQFPRFQ for sourcing$3.18OBSOLETERFQ
AT87C51RB2-SLRUMMicrocontrollers (MCU)The AT87C51RB2-SLRUM 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-SLRUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)8.488 In Stock$0.8623ACTIVERFQ
AT87C51RB2-SLSULMicrocontrollers (MCU)The AT87C51RB2-SLSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K 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 AT87C51RB2-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$4.58OBSOLETERFQ

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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