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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 356 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
74FCT540CTQGBuffers, Drivers, Receivers & TransceiversThe 74FCT540CTQG is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 4.75V ~ 5.25V 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-SSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74FCT540CTQG is currently in active production through Rochester Electronics's standard distribution channels.20-SSOP (0.154", 3.90mm Width)5,412 In Stock$0.5908ACTIVERFQ
74FCT540CTSOGBuffers, Drivers, Receivers & TransceiversThe 74FCT540CTSOG is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 4.75V ~ 5.25V 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 (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74FCT540CTSOG is currently in active production through Rochester Electronics's standard distribution channels.20-SOIC (0.295", 7.50mm Width)11,379 In Stock$0.6861ACTIVERFQ
74FCT540PATSODrivers, Receivers & TransceiversThe 74FCT540PATSO 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 74FCT540PATSO is currently in active production through Rochester Electronics's standard distribution channels.26,984 In Stock$0.2621ACTIVERFQ
74FCT540PCTQDrivers, Receivers & TransceiversThe 74FCT540PCTQ 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 74FCT540PCTQ is currently in active production through Rochester Electronics's standard distribution channels.42,281 In Stock$0.2610ACTIVERFQ
74FCT540PCTSOSpecialized ICsThe 74FCT540PCTSO 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 74FCT540PCTSO is currently in active production through Rochester Electronics's standard distribution channels.10,460 In Stock$0.9000ACTIVERFQ
74FCT541KASODrivers, Receivers & TransceiversThe 74FCT541KASO 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 74FCT541KASO is currently in active production through Rochester Electronics's standard distribution channels.4,086 In Stock$2.24ACTIVERFQ
74FCT541KATSODrivers, Receivers & TransceiversThe 74FCT541KATSO 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 74FCT541KATSO is currently in active production through Rochester Electronics's standard distribution channels.7,663 In Stock$0.4493ACTIVERFQ
74FCT543ASCBuffers, Drivers, Receivers & TransceiversThe 74FCT543ASC 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 74FCT543ASC is currently in active production through Rochester Electronics's standard distribution channels.6,072 In Stock$9.59ACTIVERFQ
74FCT543ASCXBuffers, Drivers, Receivers & TransceiversThe 74FCT543ASCX 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 74FCT543ASCX is currently in active production through Rochester Electronics's standard distribution channels.5,736 In Stock$9.27ACTIVERFQ
74FCT543ASPCBuffers, Drivers, Receivers & TransceiversThe 74FCT543ASPC 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 74FCT543ASPC is currently in active production through Rochester Electronics's standard distribution channels.1,795 In Stock$7.40ACTIVERFQ
74FCT543ATSOGBuffers, Drivers, Receivers & TransceiversThe 74FCT543ATSOG is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 4.75V ~ 5.25V 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 24-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74FCT543ATSOG is currently in active production through Rochester Electronics's standard distribution channels.24-SOIC (0.295", 7.50mm Width)1,870 In Stock$1.34ACTIVERFQ
74FCT543CTQGBuffers, Drivers, Receivers & TransceiversThe 74FCT543CTQG is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 4.75V ~ 5.25V 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 24-SSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74FCT543CTQG is currently in active production through Rochester Electronics's standard distribution channels.24-SSOP (0.154", 3.90mm Width)10,062 In Stock$0.8794ACTIVERFQ
74FCT543CTSOGBuffers, Drivers, Receivers & TransceiversThe 74FCT543CTSOG is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 4.75V ~ 5.25V 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 24-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the 74FCT543CTSOG is currently in active production through Rochester Electronics's standard distribution channels.24-SOIC (0.295", 7.50mm Width)6,230 In Stock$0.7621ACTIVERFQ
74FCT543PBATQBuffers, Drivers, Receivers & TransceiversThe 74FCT543PBATQ 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 74FCT543PBATQ is currently in active production through Rochester Electronics's standard distribution channels.1,849 In Stock$0.4680ACTIVERFQ
74FCT543PBATSOBuffers, Drivers, Receivers & TransceiversThe 74FCT543PBATSO 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 74FCT543PBATSO is currently in active production through Rochester Electronics's standard distribution channels.1,527 In Stock$0.2730ACTIVERFQ
74FCT543PBCTQBuffers, Drivers, Receivers & TransceiversThe 74FCT543PBCTQ 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 74FCT543PBCTQ is currently in active production through Rochester Electronics's standard distribution channels.11,109 In Stock$0.2730ACTIVERFQ
74FCT543PBCTSOBuffers, Drivers, Receivers & TransceiversThe 74FCT543PBCTSO 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 74FCT543PBCTSO is currently in active production through Rochester Electronics's standard distribution channels.5,136 In Stock$0.2730ACTIVERFQ
74FCT543PBDTQBuffers, Drivers, Receivers & TransceiversThe 74FCT543PBDTQ 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 74FCT543PBDTQ is currently in active production through Rochester Electronics's standard distribution channels.7,613 In Stock$0.9000ACTIVERFQ
74FCT563PCBuffers, Drivers, Receivers & TransceiversThe 74FCT563PC 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 74FCT563PC is currently in active production through Rochester Electronics's standard distribution channels.6,150 In Stock$1.60ACTIVERFQ
74FCT564APCBuffers, Drivers, Receivers & TransceiversThe 74FCT564APC 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 74FCT564APC is currently in active production through Rochester Electronics's standard distribution channels.6,042 In Stock$2.48ACTIVERFQ

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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