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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 110 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
54LS51LMGates & InvertersThe 54LS51LM is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, 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 consumer electronics, industrial control, and telecommunications applications, the 54LS51LM is currently in active production through Rochester Electronics's standard distribution channels.44.935 In Stock$2.47ACTIVERFQ
54LS54/BCABuffers, Drivers, Receivers & TransceiversThe 54LS54/BCA 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 54LS54/BCA is currently in active production through Rochester Electronics's standard distribution channels.5.130 In Stock$65.11ACTIVERFQ
54LS54/BDAGates & InvertersThe 54LS54/BDA is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, 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 consumer electronics, industrial control, and telecommunications applications, the 54LS54/BDA is currently in active production through Rochester Electronics's standard distribution channels.3.165 In Stock$81.39ACTIVERFQ
54LS54/SDABuffers, Drivers, Receivers & TransceiversThe 54LS54/SDA 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 54LS54/SDA is currently in active production through Rochester Electronics's standard distribution channels.1.708 In Stock$456.51ACTIVERFQ
54LS54DMQBGates & InvertersThe 54LS54DMQB is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, 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 consumer electronics, industrial control, and telecommunications applications, the 54LS54DMQB is currently in active production through Rochester Electronics's standard distribution channels.8.625 In Stock$0.5324ACTIVERFQ
54LS54LMGates & InvertersThe 54LS54LM is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, 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 consumer electronics, industrial control, and telecommunications applications, the 54LS54LM is currently in active production through Rochester Electronics's standard distribution channels.42.251 In Stock$6.25ACTIVERFQ
54LS610JD/BSpecialized ICsThe 54LS610JD/B 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 54LS610JD/B is currently in active production through Rochester Electronics's standard distribution channels.1.881 In Stock$112.19ACTIVERFQ
54LS626J/BSpecialized ICsThe 54LS626J/B 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 54LS626J/B is currently in active production through Rochester Electronics's standard distribution channels.1.395 In StockRFQACTIVERFQ
54LS641JSpecialized ICsThe 54LS641J 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 54LS641J is currently in active production through Rochester Electronics's standard distribution channels.2.815 In StockRFQACTIVERFQ
54LS646JT/BBuffers, Drivers, Receivers & TransceiversThe 54LS646JT/B 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 54LS646JT/B is currently in active production through Rochester Electronics's standard distribution channels.1.601 In Stock$121.73ACTIVERFQ
54LS670DMSignal Switches, MUX & DecodersThe 54LS670DM is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.5V ~ 5.5V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 16-SOIC (0.154", 3.90mm Width) package and is rated for operation across -55°C ~ 125°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 54LS670DM is currently in active production through Rochester Electronics's standard distribution channels.16-SOIC (0.154", 3.90mm Width)36.269 In Stock$0.9000ACTIVERFQ
54LS670DMQBSignal Switches, MUX & DecodersThe 54LS670DMQB is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.5V ~ 5.5V supply voltage and -55°C ~ 125°C (TA) 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 16-CDIP (0.300", 7.62mm) package and is rated for operation across -55°C ~ 125°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 54LS670DMQB is currently in active production through Rochester Electronics's standard distribution channels.16-CDIP (0.300", 7.62mm)1.862 In Stock$3.51ACTIVERFQ
54LS670FMSignal Switches, MUX & DecodersThe 54LS670FM is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.5V ~ 5.5V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 16-SOIC (0.154", 3.90mm Width) package and is rated for operation across -55°C ~ 125°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 54LS670FM is currently in active production through Rochester Electronics's standard distribution channels.16-SOIC (0.154", 3.90mm Width)47.552 In Stock$5.36ACTIVERFQ
54LS670FMQBSignal Switches, MUX & DecodersThe 54LS670FMQB is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.5V ~ 5.5V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 16-CFlatPack package and is rated for operation across -55°C ~ 125°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 54LS670FMQB is currently in active production through Rochester Electronics's standard distribution channels.16-CFlatPack1.526 In Stock$38.82ACTIVERFQ
54LS670J/883Signal Switches, MUX & DecodersThe 54LS670J/883 is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.5V ~ 5.5V supply voltage and -55°C ~ 125°C (TA) 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 16-CDIP (0.300", 7.62mm) package and is rated for operation across -55°C ~ 125°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 54LS670J/883 is currently in active production through Rochester Electronics's standard distribution channels.16-CDIP (0.300", 7.62mm)46.538 In Stock$0.9000ACTIVERFQ
54LS670LMQBSignal Switches, MUX & DecodersThe 54LS670LMQB is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.5V ~ 5.5V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-CLCC package and is rated for operation across -55°C ~ 125°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 54LS670LMQB is currently in active production through Rochester Electronics's standard distribution channels.20-CLCC41.168 In Stock$4.86ACTIVERFQ
54LS681J/BSpecialized ICsThe 54LS681J/B 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 54LS681J/B is currently in active production through Rochester Electronics's standard distribution channels.3.006 In Stock$940.66ACTIVERFQ
54LS691FK/BSpecialized ICsThe 54LS691FK/B 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 54LS691FK/B is currently in active production through Rochester Electronics's standard distribution channels.1.642 In Stock$864.99ACTIVERFQ
54LS74LMQBFlip-FlopsThe 54LS74LMQB is a sequential logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, 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 consumer electronics, industrial control, and telecommunications applications, the 54LS74LMQB is currently in active production through Rochester Electronics's standard distribution channels.52.460 In Stock$4.00ACTIVERFQ
54LS76A/BEAFlip-FlopsThe 54LS76A/BEA is a sequential logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, 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 consumer electronics, industrial control, and telecommunications applications, the 54LS76A/BEA is currently in active production through Rochester Electronics's standard distribution channels.5.136 In Stock$61.53ACTIVERFQ

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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