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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 1304 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
CD4520BECounters & DividersThe CD4520BE is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 3 V ~ 18 V supply voltage and -55°C ~ 125°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 -55°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the CD4520BE 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 sourcingRFQOBSOLETERFQ
CD4520BEXCounters & DividersThe CD4520BEX is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 3 V ~ 18 V 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-DIP (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 CD4520BEX is currently in active production through Rochester Electronics's standard distribution channels.16-DIP (0.300", 7.62mm)1,584 In Stock$0.2730ACTIVERFQ
CD4520BNSCounters & DividersThe CD4520BNS is a counter/divider 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 CD4520BNS is currently in active production through Rochester Electronics's standard distribution channels.7,200 In Stock$0.2145ACTIVERFQ
CD4521BECounters & DividersThe CD4521BE is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 3 V ~ 18 V supply voltage and -55°C ~ 125°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 -55°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the CD4521BE is currently in active production through Rochester Electronics's standard distribution channels.16-DIP (0.300", 7.62mm)12,000 In Stock$0.5912ACTIVERFQ
CD4527BD3Analog Multipliers & DividersThe CD4527BD3 is an analog multiplier/divider manufactured by Rochester Electronics. Design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, 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 16-CDIP (0.300", 7.62mm) package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the CD4527BD3 is currently in active production through Rochester Electronics's standard distribution channels.16-CDIP (0.300", 7.62mm)1,538 In Stock$9.53ACTIVERFQ
CD4527BK3Specialty LogicThe CD4527BK3 is a 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 CD4527BK3 is currently in active production through Rochester Electronics's standard distribution channels.1,816 In Stock$19.90ACTIVERFQ
CD4528BMW/883MultivibratorsThe CD4528BMW/883 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 CD4528BMW/883 is currently in active production through Rochester Electronics's standard distribution channels.1,665 In Stock$11.56ACTIVERFQ
CD4532BESignal Switches, MUX & DecodersThe CD4532BE is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 3V ~ 18V supply voltage and -55°C ~ 125°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 -55°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the CD4532BE 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$0.7920OBSOLETERFQ
CD4532BEXSignal Switches, MUX & DecodersThe CD4532BEX 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 CD4532BEX is currently in active production through Rochester Electronics's standard distribution channels.1,616 In Stock$0.5468ACTIVERFQ
CD4532BFXSignal Switches, MUX & DecodersThe CD4532BFX 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 CD4532BFX is currently in active production through Rochester Electronics's standard distribution channels.1,953 In Stock$1.31ACTIVERFQ
CD4536BDCounters & DividersThe CD4536BD is a counter/divider 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 CD4536BD is currently in active production through Rochester Electronics's standard distribution channels.1,928 In StockRFQACTIVERFQ
CD4536BD3Programmable Timers & OscillatorsThe CD4536BD3 is a clock/timing IC manufactured by Rochester Electronics. Technical highlights include 3V ~ 18V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm clock frequency, PLL configuration, jitter budget, output type, 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 industrial automation, consumer electronics, and telecommunications infrastructure applications, the CD4536BD3 is currently in active production through Rochester Electronics's standard distribution channels.16-CDIP (0.300", 7.62mm)1,505 In Stock$13.28ACTIVERFQ
CD4536BDWProgrammable Timers & OscillatorsThe CD4536BDW is a clock/timing IC manufactured by Rochester Electronics. Technical highlights include 3V ~ 18V supply voltage and -55°C ~ 125°C operating temperature; design review should confirm clock frequency, PLL configuration, jitter budget, output type, and operating temperature limits. This Surface Mount component is supplied in a 16-SOIC (0.295", 7.50mm Width) package and is rated for operation across -55°C ~ 125°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the CD4536BDW is currently in active production through Rochester Electronics's standard distribution channels.16-SOIC (0.295", 7.50mm Width)1,864 In Stock$1.27ACTIVERFQ
CD4536BF3ACounters & DividersThe CD4536BF3A is a counter/divider 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 CD4536BF3A is currently in active production through Rochester Electronics's standard distribution channels.3,564 In Stock$2.47ACTIVERFQ
CD4536BKCounters & DividersThe CD4536BK is a counter/divider 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 CD4536BK is currently in active production through Rochester Electronics's standard distribution channels.1,524 In Stock$20.68ACTIVERFQ
CD4536BNSSpecialized ICsThe CD4536BNS 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 CD4536BNS is currently in active production through Rochester Electronics's standard distribution channels.4,500 In Stock$0.1267ACTIVERFQ
CD4541BEXProgrammable Timers & OscillatorsThe CD4541BEX is a clock/timing IC manufactured by Rochester Electronics. Technical highlights include 3V ~ 18V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm clock frequency, PLL configuration, jitter budget, output type, and operating temperature limits. This Through Hole component is supplied in a 14-DIP (0.300", 7.62mm) package and is rated for operation across -55°C ~ 125°C (TA). Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the CD4541BEX is currently in active production through Rochester Electronics's standard distribution channels.14-DIP (0.300", 7.62mm)1,744 In Stock$0.3328ACTIVERFQ
CD4541BFProgrammable Timers & OscillatorsThe CD4541BF is a clock/timing IC manufactured by Rochester Electronics. Technical highlights include 3V ~ 18V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm clock frequency, PLL configuration, jitter budget, output type, and operating temperature limits. This Through Hole component is supplied in a 14-CDIP (0.300", 7.62mm) package and is rated for operation across -55°C ~ 125°C (TA). Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the CD4541BF is currently in active production through Rochester Electronics's standard distribution channels.14-CDIP (0.300", 7.62mm)1,525 In Stock$14.89ACTIVERFQ
CD4541BFXProgrammable Timers & OscillatorsThe CD4541BFX is a clock/timing IC manufactured by Rochester Electronics. Technical highlights include 3V ~ 18V supply voltage and -55°C ~ 125°C (TA) operating temperature; design review should confirm clock frequency, PLL configuration, jitter budget, output type, and operating temperature limits. This Through Hole component is supplied in a 14-DIP (0.300", 7.62mm) package and is rated for operation across -55°C ~ 125°C (TA). Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the CD4541BFX is currently in active production through Rochester Electronics's standard distribution channels.14-DIP (0.300", 7.62mm)4,584 In Stock$1.86ACTIVERFQ
CD4541BMProgrammable Timers & OscillatorsThe CD4541BM is a clock/timing IC manufactured by Rochester Electronics. Technical highlights include 3V ~ 20V supply voltage and -55°C ~ 125°C operating temperature; design review should confirm clock frequency, PLL configuration, jitter budget, output type, and operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -55°C ~ 125°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the CD4541BM is currently in active production through Rochester Electronics's standard distribution channels.14-SOIC (0.154", 3.90mm Width)11,812 In Stock$0.0302ACTIVERFQ

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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