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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
LS1020ASN7HNB557Specialized ICsThe LS1020ASN7HNB557 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 LS1020ASN7HNB557 is currently in active production through Rochester Electronics's standard distribution channels.1,901 In StockRFQACTIVERFQ
LS1021AXE7HNBMicrocontrollers (MCU)The LS1021AXE7HNB 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 standard mount 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 LS1021AXE7HNB is currently in active production through Rochester Electronics's standard distribution channels.1,584 In Stock$17.37ACTIVERFQ
LS1021AXE7HNB557Microcontrollers (MCU)The LS1021AXE7HNB557 is a microcontroller manufactured by Rochester Electronics. Technical highlights include 800MHz 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 525-FBGA, FCBGA package and is rated for operation across -40°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1021AXE7HNB557 is currently in active production through Rochester Electronics's standard distribution channels.525-FBGA, FCBGA2,111 In StockRFQACTIVERFQ
LS1021AXE7MQBMicrocontrollers (MCU)The LS1021AXE7MQB is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.2GHz 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 525-FBGA, FCBGA package and is rated for operation across -40°C ~ 105°C. Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1021AXE7MQB is currently in active production through Rochester Electronics's standard distribution channels.525-FBGA, FCBGA1,584 In Stock$62.23ACTIVERFQ
LS1021AXN7KQBSystem On Chip (SoC)The LS1021AXN7KQB is a system-on-chip manufactured by Rochester Electronics. Technical highlights include 1.0GHz 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 525-FBGA, FCBGA package and is rated for operation across -40°C ~ 105°C. Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1021AXN7KQB is currently in active production through Rochester Electronics's standard distribution channels.525-FBGA, FCBGA1,714 In Stock$95.65ACTIVERFQ
LS1023ASE7KQBMicrocontrollers (MCU)The LS1023ASE7KQB is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1GHz 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 621-FBGA, FCBGA package and is rated for operation across 0°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1023ASE7KQB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.621-FBGA, FCBGARFQ for sourcing$47.31OBSOLETERFQ
LS1023ASE7MNLBMicrocontrollers (MCU)The LS1023ASE7MNLB is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.2GHz 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 621-FBGA, FCBGA package and is rated for operation across 0°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1023ASE7MNLB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.621-FBGA, FCBGARFQ for sourcing$52.05OBSOLETERFQ
LS1023ASE7QQBMicrocontrollers (MCU)The LS1023ASE7QQB is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.6GHz 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 621-FBGA, FCBGA package and is rated for operation across 0°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1023ASE7QQB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.621-FBGA, FCBGARFQ for sourcing$54.41OBSOLETERFQ
LS1023ASN7KQBMicrocontrollers (MCU)The LS1023ASN7KQB 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 standard mount 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 LS1023ASN7KQB is currently in active production through Rochester Electronics's standard distribution channels.1,778 In Stock$48.96ACTIVERFQ
LS1023ASN7MNLB557Specialized ICsThe LS1023ASN7MNLB557 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 LS1023ASN7MNLB557 is currently in active production through Rochester Electronics's standard distribution channels.1,518 In Stock$61.61ACTIVERFQ
LS1023AXN8KQB557Specialized ICsThe LS1023AXN8KQB557 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 LS1023AXN8KQB557 is currently in active production through Rochester Electronics's standard distribution channels.1,620 In Stock$69.01ACTIVERFQ
LS1024ASE7ELAMicrocontrollers (MCU)The LS1024ASE7ELA 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 standard mount 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 LS1024ASE7ELA is currently in active production through Rochester Electronics's standard distribution channels.1,665 In Stock$37.56ACTIVERFQ
LS1024ASE7MLAMicrocontrollers (MCU)The LS1024ASE7MLA 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 standard mount 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 LS1024ASE7MLA is currently in active production through Rochester Electronics's standard distribution channels.2,693 In Stock$171.74ACTIVERFQ
LS1026ASE8Q1AMicrocontrollers (MCU)The LS1026ASE8Q1A is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.6GHz 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 780-FBGA, FCBGA package and is rated for operation across 0°C ~ 105°C. Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1026ASE8Q1A is currently in active production through Rochester Electronics's standard distribution channels.780-FBGA, FCBGA1,710 In Stock$165.13ACTIVERFQ
LS1026AXN8MQAMicrocontrollers (MCU)The LS1026AXN8MQA is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.2GHz 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 780-BFBGA package and is rated for operation across -40°C ~ 105°C (TJ). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1026AXN8MQA is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.780-BFBGARFQ for sourcing$128.62OBSOLETERFQ
LS102MASN7BFA557Microprocessors (MPU)The LS102MASN7BFA557 is a microprocessor manufactured by Rochester Electronics. Technical highlights include 650MHz 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 standard package and is rated for operation across 0°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS102MASN7BFA557 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$17.87OBSOLETERFQ
LS1043ASE7KNLBMicrocontrollers (MCU)The LS1043ASE7KNLB is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.0GHz 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 621-FBGA, FCBGA package and is rated for operation across 0°C ~ 105°C. Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1043ASE7KNLB is currently in active production through Rochester Electronics's standard distribution channels.621-FBGA, FCBGA630 In Stock$135.07ACTIVERFQ
LS1043ASE7QQAMicrocontrollers (MCU)The LS1043ASE7QQA is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.6GHz 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 621-FBGA, FCBGA package and is rated for operation across 0°C ~ 105°C (TA). Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1043ASE7QQA is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.621-FBGA, FCBGARFQ for sourcing$205.73OBSOLETERFQ
LS1043ASE8MQBMicrocontrollers (MCU)The LS1043ASE8MQB is a microcontroller manufactured by Rochester Electronics. Technical highlights include 1.2GHz 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 780-FBGA, FCBGA package and is rated for operation across 0°C ~ 105°C. Designed for IoT endpoints, consumer electronics, and industrial automation applications, the LS1043ASE8MQB is currently in active production through Rochester Electronics's standard distribution channels.780-FBGA, FCBGA7,068 In Stock$56.20ACTIVERFQ
LS1043ASE8PQBMicrocontrollers (MCU)The LS1043ASE8PQB 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 standard mount 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 LS1043ASE8PQB is currently in active production through Rochester Electronics's standard distribution channels.4,500 In Stock$62.89ACTIVERFQ

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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