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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 1116 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
AT89C51CC03UA-7CTUMMicrocontrollers (MCU)The AT89C51CC03UA-7CTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2.25K x 8 RAM, 2K x 8 EEPROM, 40MHz clock speed, and CANbus, 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 64-LFBGA, CSPBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT89C51CC03UA-7CTUM is currently in active production through Rochester Electronics's standard distribution channels.64-LFBGA, CSPBGA1,507 In Stock$17.46ACTIVERFQ
AT89C51CC03UA-RLTUMMicrocontrollers (MCU)The AT89C51CC03UA-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2.25K x 8 RAM, 2K x 8 EEPROM, 40MHz clock speed, and CANbus, 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 AT89C51CC03UA-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP4,200 In Stock$7.45ACTIVERFQ
AT89C51ED2-RDRUMMicrocontrollers (MCU)The AT89C51ED2-RDRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2K x 8 RAM, 2K x 8 EEPROM, 60MHz clock speed, and 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 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 AT89C51ED2-RDRUM is currently in active production through Rochester Electronics's standard distribution channels.64-LQFP889 In Stock$20.84ACTIVERFQ
AT89C51ED2-RLTUMMicrocontrollers (MCU)The AT89C51ED2-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2K x 8 RAM, 2K x 8 EEPROM, 60MHz clock speed, and 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 AT89C51ED2-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP15,000 In Stock$21.62ACTIVERFQ
AT89C51ED2-SLRUMMicrocontrollers (MCU)The AT89C51ED2-SLRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2K x 8 RAM, 2K x 8 EEPROM, 60MHz clock speed, and 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 AT89C51ED2-SLRUM is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)8,400 In Stock$9.47ACTIVERFQ
AT89C51ED2WOW-RDTUMMicrocontrollers (MCU)The AT89C51ED2WOW-RDTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2K x 8 RAM, 2K x 8 EEPROM, 60MHz clock speed, and 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 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 AT89C51ED2WOW-RDTUM is currently in active production through Rochester Electronics's standard distribution channels.64-LQFP10,991 In Stock$0.9000ACTIVERFQ
AT89C51IC2-RLRULMicrocontrollers (MCU)The AT89C51IC2-RLRUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 1.25K x 8 RAM, 40MHz clock speed, and I²C, 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 AT89C51IC2-RLRUL is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP6,867 In Stock$5.94ACTIVERFQ
AT89C51IC2-RLRUMMicrocontrollers (MCU)The AT89C51IC2-RLRUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 1.25K x 8 RAM, 40MHz clock speed, and I²C, 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 AT89C51IC2-RLRUM is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP1,563 In Stock$13.06ACTIVERFQ
AT89C51IC2-SLRULMicrocontrollers (MCU)The AT89C51IC2-SLRUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 1.25K x 8 RAM, 40MHz clock speed, and I²C, 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 AT89C51IC2-SLRUL is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)5,706 In Stock$2.60ACTIVERFQ
AT89C51IC2-SLSULMicrocontrollers (MCU)The AT89C51IC2-SLSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 1.25K x 8 RAM, 60MHz clock speed, and I²C, 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 AT89C51IC2-SLSUL is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)1,962 In Stock$8.11ACTIVERFQ
AT89C51ID2-RLTUMMicrocontrollers (MCU)The AT89C51ID2-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2K x 8 RAM, 2K x 8 EEPROM, 60MHz clock speed, and I²C, 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 AT89C51ID2-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP1,064 In Stock$15.60ACTIVERFQ
AT89C51RB2-3CSULMicrocontrollers (MCU)The AT89C51RB2-3CSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 1.25K x 8 RAM, 40MHz clock speed, and SPI, 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 AT89C51RB2-3CSUL is currently in active production through Rochester Electronics's standard distribution channels.40-DIP (0.600", 15.24mm)4,572 In Stock$6.78ACTIVERFQ
AT89C51RB2-RLRULMicrocontrollers (MCU)The AT89C51RB2-RLRUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 16KB (16K x 8) Flash memory, 1.25K x 8 RAM, 40MHz clock speed, and 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 AT89C51RB2-RLRUL is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP2,370 In Stock$12.10ACTIVERFQ
AT89C51RC2-RLTULMicrocontrollers (MCU)The AT89C51RC2-RLTUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 1.25K x 8 RAM, 40MHz clock speed, and 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 AT89C51RC2-RLTUL is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP2,057 In Stock$13.68ACTIVERFQ
AT89C51RC2-SLSULMicrocontrollers (MCU)The AT89C51RC2-SLSUL is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 32KB (32K x 8) Flash memory, 1.25K x 8 RAM, 40MHz clock speed, and 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 AT89C51RC2-SLSUL is currently in active production through Rochester Electronics's standard distribution channels.44-LCC (J-Lead)8,111 In Stock$1.79ACTIVERFQ
AT89C51RD2-RLTUMMicrocontrollers (MCU)The AT89C51RD2-RLTUM is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (64K x 8) Flash memory, 2K x 8 RAM, 60MHz clock speed, and 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 AT89C51RD2-RLTUM is currently in active production through Rochester Electronics's standard distribution channels.44-LQFP9,600 In Stock$8.72ACTIVERFQ
AT89C52-24JIMicrocontrollers (MCU)The AT89C52-24JI is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 8KB (8K x 8) Flash memory, 256 x 8 RAM, 24MHz clock speed, and SIO, 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 AT89C52-24JI is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$4.16OBSOLETERFQ
AT89LP2052-20XUMicrocontrollers (MCU)The AT89LP2052-20XU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 2KB (2K x 8) Flash memory, 256 x 8 RAM, 20MHz clock speed, and 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 20-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT89LP2052-20XU is currently in active production through Rochester Electronics's standard distribution channels.20-TSSOP (0.173", 4.40mm Width)1,542 In Stock$0.6120ACTIVERFQ
AT89LP213-20PUMicrocontrollers (MCU)The AT89LP213-20PU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 2KB (2K x 8) Flash memory, 128 x 8 RAM, 20MHz clock speed, and SPI 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 14-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT89LP213-20PU is currently in active production through Rochester Electronics's standard distribution channels.14-DIP (0.300", 7.62mm)7,140 In Stock$1.75ACTIVERFQ
AT89LP214-20PUMicrocontrollers (MCU)The AT89LP214-20PU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 2KB (2K x 8) Flash memory, 128 x 8 RAM, 20MHz clock speed, and SPI, 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 14-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the AT89LP214-20PU is currently in active production through Rochester Electronics's standard distribution channels.14-DIP (0.300", 7.62mm)12,445 In Stock$1.75ACTIVERFQ

Frequently Asked Questions

Where can I buy Rochester Electronics electronic components?

FPGACenter lists 106,490 Rochester Electronics part numbers with 75,392 currently in stock. Submit an RFQ for availability, lead time, and pricing.

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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 list 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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