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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

Page 227 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
74AC373FP-ELatchesThe 74AC373FP-E 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 74AC373FP-E is currently in active production through Rochester Electronics's standard distribution channels.6.000 In Stock$1.40ACTIVERFQ
74AC373PCLatchesThe 74AC373PC is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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 20-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC373PC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-DIP (0.300", 7.62mm)RFQ for sourcing$0.5168OBSOLETERFQ
74AC373SJLatchesThe 74AC373SJ is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°C 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-SOIC (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC373SJ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-SOIC (0.209", 5.30mm Width)RFQ for sourcing$0.2828OBSOLETERFQ
74AC374FP-EFlip-FlopsThe 74AC374FP-E 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 74AC374FP-E is currently in active production through Rochester Electronics's standard distribution channels.6.000 In Stock$1.40ACTIVERFQ
74AC374SJXFlip-FlopsThe 74AC374SJX is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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-SOIC (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC374SJX is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-SOIC (0.209", 5.30mm Width)RFQ for sourcing$0.2828OBSOLETERFQ
74AC377MTCFlip-FlopsThe 74AC377MTC is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC377MTC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-TSSOP (0.173", 4.40mm Width)RFQ for sourcing$0.3091OBSOLETERFQ
74AC377MTCXFlip-FlopsThe 74AC377MTCX is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC377MTCX is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-TSSOP (0.173", 4.40mm Width)RFQ for sourcing$0.2535OBSOLETERFQ
74AC377SCFlip-FlopsThe 74AC377SC is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC377SC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-SOIC (0.295", 7.50mm Width)RFQ for sourcing$0.2925OBSOLETERFQ
74AC377SCXFlip-FlopsThe 74AC377SCX is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC377SCX is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-SOIC (0.295", 7.50mm Width)RFQ for sourcing$0.1852OBSOLETERFQ
74AC377SJFlip-FlopsThe 74AC377SJ is a sequential logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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-SOIC (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC377SJ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-SOIC (0.209", 5.30mm Width)RFQ for sourcing$0.3218OBSOLETERFQ
74AC399PCSignal Switches, MUX & DecodersThe 74AC399PC is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°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 16-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC399PC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-DIP (0.300", 7.62mm)RFQ for sourcing$0.4095OBSOLETERFQ
74AC521PCLogic ComparatorsThe 74AC521PC is an analog comparator manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage; design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, and operating temperature limits. This Through Hole component is supplied in a 20-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC521PC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-DIP (0.300", 7.62mm)RFQ for sourcingRFQOBSOLETERFQ
74AC521SC-GSpecialized ICsThe 74AC521SC-G 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 74AC521SC-G is currently in active production through Rochester Electronics's standard distribution channels.10.014 In Stock$22.50ACTIVERFQ
74AC521SJXLogic ComparatorsThe 74AC521SJX is an analog comparator manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage; design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, and operating temperature limits. This Surface Mount component is supplied in a 20-SOIC (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74AC521SJX is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-SOIC (0.209", 5.30mm Width)RFQ for sourcing$0.7926OBSOLETERFQ
74AC540MTCBuffers, Drivers, Receivers & TransceiversThe 74AC540MTC is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°C (TA) 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 20-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74AC540MTC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-TSSOP (0.173", 4.40mm Width)RFQ for sourcing$0.1674OBSOLETERFQ
74AC540SCBuffers, Drivers, Receivers & TransceiversThe 74AC540SC 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 74AC540SC is currently in active production through Rochester Electronics's standard distribution channels.12.635 In Stock$0.4226ACTIVERFQ
74AC540SJBuffers, Drivers, Receivers & TransceiversThe 74AC540SJ is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°C (TA) 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 20-SOIC (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74AC540SJ is currently in active production through Rochester Electronics's standard distribution channels.20-SOIC (0.209", 5.30mm Width)31.566 In Stock$0.4290ACTIVERFQ
74AC540SJXBuffers, Drivers, Receivers & TransceiversThe 74AC540SJX is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°C (TA) 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 20-SOIC (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74AC540SJX is currently in active production through Rochester Electronics's standard distribution channels.20-SOIC (0.209", 5.30mm Width)34.734 In Stock$0.3705ACTIVERFQ
74AC541PCBuffers, Drivers, Receivers & TransceiversThe 74AC541PC is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°C (TA) 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 20-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74AC541PC is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-DIP (0.300", 7.62mm)RFQ for sourcing$3.20OBSOLETERFQ
74AC541SJBuffers, Drivers, Receivers & TransceiversThe 74AC541SJ is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 2V ~ 6V supply voltage and -40°C ~ 85°C (TA) 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 20-SOIC (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74AC541SJ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-SOIC (0.209", 5.30mm Width)RFQ for sourcing$0.1440OBSOLETERFQ

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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