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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
ATMEGA48A-CCUMicrocontrollers (MCU)The ATMEGA48A-CCU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 4KB (2K x 16) Flash memory, 512 x 8 RAM, 256 x 8 EEPROM, 20MHz 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 132-UFBGA package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA48A-CCU is currently in active production through Rochester Electronics's standard distribution channels.132-UFBGA29,074 In Stock$0.6930ACTIVERFQ
ATMEGA48PA-CCUMicrocontrollers (MCU)The ATMEGA48PA-CCU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 4KB (2K x 16) Flash memory, 512 x 8 RAM, 256 x 8 EEPROM, 20MHz 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 32-TQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA48PA-CCU is currently in active production through Rochester Electronics's standard distribution channels.32-TQFP979 In StockRFQACTIVERFQ
ATMEGA48PA-PNMicrocontrollers (MCU)The ATMEGA48PA-PN is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 4KB (2K x 16) Flash memory, 512 x 8 RAM, 256 x 8 EEPROM, 20MHz 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 Through Hole component is supplied in a 28-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA48PA-PN is currently in active production through Rochester Electronics's standard distribution channels.28-DIP (0.300", 7.62mm)6,772 In Stock$2.46ACTIVERFQ
ATMEGA48V-10MMHMicrocontrollers (MCU)The ATMEGA48V-10MMH is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 4KB (2K x 16) Flash memory, 512 x 8 RAM, 256 x 8 EEPROM, 10MHz 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 28-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 ATMEGA48V-10MMH is currently in active production through Rochester Electronics's standard distribution channels.28-VFQFN Exposed Pad9,408 In Stock$2.23ACTIVERFQ
ATMEGA48V-10PIMicrocontrollers (MCU)The ATMEGA48V-10PI is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 4KB (2K x 16) Flash memory, 512 x 8 RAM, 256 x 8 EEPROM, 10MHz 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 Through Hole component is supplied in a 28-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 ATMEGA48V-10PI is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-DIP (0.300", 7.62mm)RFQ for sourcing$18.67OBSOLETERFQ
ATMEGA644-20MUMicrocontrollers (MCU)The ATMEGA644-20MU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 20MHz 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-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 ATMEGA644-20MU is currently in active production through Rochester Electronics's standard distribution channels.44-VFQFN Exposed Pad1,860 In Stock$4.46ACTIVERFQ
ATMEGA644P-15ATMicrocontrollers (MCU)The ATMEGA644P-15AT is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-TQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-15AT is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-TQFPRFQ for sourcing$9.84OBSOLETERFQ
ATMEGA644P-15AT1Microcontrollers (MCU)The ATMEGA644P-15AT1 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-TQFP package and is rated for operation across -40°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-15AT1 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-TQFPRFQ for sourcing$63.00OBSOLETERFQ
ATMEGA644P-15AZMicrocontrollers (MCU)The ATMEGA644P-15AZ is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-TQFP package and is rated for operation across -40°C ~ 125°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-15AZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-TQFPRFQ for sourcing$11.60OBSOLETERFQ
ATMEGA644P-15MTMicrocontrollers (MCU)The ATMEGA644P-15MT is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-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 ATMEGA644P-15MT is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-VFQFN Exposed PadRFQ for sourcing$21.38OBSOLETERFQ
ATMEGA644P-15MT1Microcontrollers (MCU)The ATMEGA644P-15MT1 is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-15MT1 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-VFQFN Exposed PadRFQ for sourcing$22.55OBSOLETERFQ
ATMEGA644P-15MZMicrocontrollers (MCU)The ATMEGA644P-15MZ is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-15MZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-VFQFN Exposed PadRFQ for sourcing$23.85OBSOLETERFQ
ATMEGA644P-A15AZMicrocontrollers (MCU)The ATMEGA644P-A15AZ is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-TQFP package and is rated for operation across -40°C ~ 125°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-A15AZ is currently in active production through Rochester Electronics's standard distribution channels.44-TQFP9,000 In Stock$8.01ACTIVERFQ
ATMEGA644P-A15MZMicrocontrollers (MCU)The ATMEGA644P-A15MZ is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-A15MZ is currently in active production through Rochester Electronics's standard distribution channels.44-VFQFN Exposed Pad12,000 In Stock$8.01ACTIVERFQ
ATMEGA644P-B15MZMicrocontrollers (MCU)The ATMEGA644P-B15MZ is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-B15MZ is currently in active production through Rochester Electronics's standard distribution channels.44-VFQFN Exposed Pad14,166 In Stock$0.9000ACTIVERFQ
ATMEGA644P-ESAZMicrocontrollers (MCU)The ATMEGA644P-ESAZ is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz 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-TQFP package and is rated for operation across -40°C ~ 125°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA644P-ESAZ is currently in active production through Rochester Electronics's standard distribution channels.44-TQFP10,672 In Stock$0.8623ACTIVERFQ
ATMEGA644PV-10PUMicrocontrollers (MCU)The ATMEGA644PV-10PU is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 10MHz 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 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 ATMEGA644PV-10PU is currently in active production through Rochester Electronics's standard distribution channels.40-DIP (0.600", 15.24mm)3,630 In Stock$6.24ACTIVERFQ
ATMEGA6450V-8AURMicrocontrollers (MCU)The ATMEGA6450V-8AUR is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 8MHz clock speed, and SPI, UART/USART, USI 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-TQFP package and is rated for operation across -40°C ~ 85°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA6450V-8AUR is currently in active production through Rochester Electronics's standard distribution channels.100-TQFP1,509 In Stock$18.08ACTIVERFQ
ATMEGA64C1-15MDMicrocontrollers (MCU)The ATMEGA64C1-15MD is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz clock speed, and CANbus, LINbus, 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 32-VQFN Exposed Pad package and is rated for operation across -40°C ~ 150°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA64C1-15MD is currently in active production through Rochester Electronics's standard distribution channels.32-VQFN Exposed Pad1,056 In Stock$15.08ACTIVERFQ
ATMEGA64C1-ESAZMicrocontrollers (MCU)The ATMEGA64C1-ESAZ is a microcontroller manufactured by Rochester Electronics. Key technical specifications include 64KB (32K x 16) Flash memory, 4K x 8 RAM, 2K x 8 EEPROM, 16MHz clock speed, and CANbus, LINbus, 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 32-TQFP package and is rated for operation across -40°C ~ 125°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the ATMEGA64C1-ESAZ is currently in active production through Rochester Electronics's standard distribution channels.32-TQFP32,328 In Stock$0.4410ACTIVERFQ

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.

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 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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