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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

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Part NumberCategoryDescriptionPackageStockPriceStatus
QS74FCT238TS1Drivers, Receivers & TransceiversThe QS74FCT238TS1 is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT238TS1 is currently in active production through Rochester Electronics's standard distribution channels.1,812 In Stock$1.20ACTIVERFQ
QS74FCT238TS1XDrivers, Receivers & TransceiversThe QS74FCT238TS1X is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT238TS1X is currently in active production through Rochester Electronics's standard distribution channels.12,000 In Stock$1.01ACTIVERFQ
QS74FCT239ATPSignal Switches, MUX & DecodersThe QS74FCT239ATP is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and 0°C ~ 70°C operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across 0°C ~ 70°C. Designed for consumer electronics, industrial control, and telecommunications applications, the QS74FCT239ATP is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$1.52OBSOLETERFQ
QS74FCT240ATQBuffers, Drivers, Receivers & TransceiversThe QS74FCT240ATQ is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a standard package and is rated for operation across -40°C ~ 85°C. Designed for motor control, LED lighting, and display backlight applications, the QS74FCT240ATQ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$1.74OBSOLETERFQ
QS74FCT240ATSOXBuffers, Drivers, Receivers & TransceiversThe QS74FCT240ATSOX is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a standard package and is rated for operation across -40°C ~ 85°C. Designed for motor control, LED lighting, and display backlight applications, the QS74FCT240ATSOX is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$1.02OBSOLETERFQ
QS74FCT240ATZBuffers, Drivers, Receivers & TransceiversThe QS74FCT240ATZ is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT240ATZ is currently in active production through Rochester Electronics's standard distribution channels.1,690 In Stock$2.18ACTIVERFQ
QS74FCT240CTPBuffers, Drivers, Receivers & TransceiversThe QS74FCT240CTP is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across -40°C ~ 85°C. Designed for motor control, LED lighting, and display backlight applications, the QS74FCT240CTP is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$2.30OBSOLETERFQ
QS74FCT240TPBuffers, Drivers, Receivers & TransceiversThe QS74FCT240TP is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT240TP is currently in active production through Rochester Electronics's standard distribution channels.12,285 In Stock$1.23ACTIVERFQ
QS74FCT240TQBuffers, Drivers, Receivers & TransceiversThe QS74FCT240TQ is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT240TQ is currently in active production through Rochester Electronics's standard distribution channels.4,206 In Stock$1.38ACTIVERFQ
QS74FCT240TSOBuffers, Drivers, Receivers & TransceiversThe QS74FCT240TSO is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT240TSO is currently in active production through Rochester Electronics's standard distribution channels.9,857 In Stock$1.12ACTIVERFQ
QS74FCT241CTSOBuffers, Drivers, Receivers & TransceiversThe QS74FCT241CTSO is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT241CTSO is currently in active production through Rochester Electronics's standard distribution channels.1,844 In Stock$1.79ACTIVERFQ
QS74FCT241TS0Specialized ICsThe QS74FCT241TS0 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 QS74FCT241TS0 is currently in active production through Rochester Electronics's standard distribution channels.2,985 In StockRFQACTIVERFQ
QS74FCT241TSOBuffers, Drivers, Receivers & TransceiversThe QS74FCT241TSO is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and 0°C ~ 70°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a standard package and is rated for operation across 0°C ~ 70°C. Designed for motor control, LED lighting, and display backlight applications, the QS74FCT241TSO is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$0.8483OBSOLETERFQ
QS74FCT244ATPBuffers, Drivers, Receivers & TransceiversThe QS74FCT244ATP is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across -40°C ~ 85°C. Designed for motor control, LED lighting, and display backlight applications, the QS74FCT244ATP is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$0.8908OBSOLETERFQ
QS74FCT244CTPBuffers, Drivers, Receivers & TransceiversThe QS74FCT244CTP is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT244CTP is currently in active production through Rochester Electronics's standard distribution channels.1,909 In Stock$2.20ACTIVERFQ
QS74FCT244DTS0Specialized ICsThe QS74FCT244DTS0 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 QS74FCT244DTS0 is currently in active production through Rochester Electronics's standard distribution channels.2,077 In StockRFQACTIVERFQ
QS74FCT244TPBuffers, Drivers, Receivers & TransceiversThe QS74FCT244TP is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and 0°C ~ 70°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across 0°C ~ 70°C. Designed for motor control, LED lighting, and display backlight applications, the QS74FCT244TP is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$0.8483OBSOLETERFQ
QS74FCT244TZBuffers, Drivers, Receivers & TransceiversThe QS74FCT244TZ is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT244TZ is currently in active production through Rochester Electronics's standard distribution channels.4,620 In Stock$2.04ACTIVERFQ
QS74FCT245ATPBuffers, Drivers, Receivers & TransceiversThe QS74FCT245ATP is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and 0°C ~ 70°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a standard package and is rated for operation across 0°C ~ 70°C. Designed for motor control, LED lighting, and display backlight applications, the QS74FCT245ATP is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$1.98OBSOLETERFQ
QS74FCT245ATSOBuffers, Drivers, Receivers & TransceiversThe QS74FCT245ATSO is a transceiver 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 motor control, LED lighting, and display backlight applications, the QS74FCT245ATSO is currently in active production through Rochester Electronics's standard distribution channels.4,536 In Stock$0.5351ACTIVERFQ

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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