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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 426 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
74HCT4020D,653Counters & DividersThe 74HCT4020D,653 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°C ~ 125°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 16-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4020D,653 is currently in active production through Rochester Electronics's standard distribution channels.16-SOIC (0.154", 3.90mm Width)18,000 In Stock$0.1822ACTIVERFQ
74HCT4020N,652Counters & DividersThe 74HCT4020N,652 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°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 -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4020N,652 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$0.8560OBSOLETERFQ
74HCT4020PW,112Counters & DividersThe 74HCT4020PW,112 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 74HCT4020PW,112 is currently in active production through Rochester Electronics's standard distribution channels.20,219 In Stock$0.2411ACTIVERFQ
74HCT4020PW-Q100118Counters & DividersThe 74HCT4020PW-Q100118 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°C ~ 125°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 16-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4020PW-Q100118 is currently in active production through Rochester Electronics's standard distribution channels.16-TSSOP (0.173", 4.40mm Width)40,909 In Stock$0.1566ACTIVERFQ
74HCT4040D,653Counters & DividersThe 74HCT4040D,653 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 74HCT4040D,653 is currently in active production through Rochester Electronics's standard distribution channels.7,500 In Stock$0.1156ACTIVERFQ
74HCT4040D/AU118Counters & DividersThe 74HCT4040D/AU118 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°C ~ 125°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 16-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4040D/AU118 is currently in active production through Rochester Electronics's standard distribution channels.16-SOIC (0.154", 3.90mm Width)5,910 In Stock$2.33ACTIVERFQ
74HCT4040DB,112Counters & DividersThe 74HCT4040DB,112 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°C ~ 125°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 16-SSOP (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4040DB,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-SSOP (0.209", 5.30mm Width)RFQ for sourcing$2.19OBSOLETERFQ
74HCT4040DB,112-NXPCounters & DividersThe 74HCT4040DB,112-NXP is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°C ~ 125°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 16-SSOP (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4040DB,112-NXP is currently in active production through Rochester Electronics's standard distribution channels.16-SSOP (0.209", 5.30mm Width)26,760 In Stock$0.2610ACTIVERFQ
74HCT4040N,652Counters & DividersThe 74HCT4040N,652 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°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 -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4040N,652 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$0.4973OBSOLETERFQ
74HCT4040PW,112Counters & DividersThe 74HCT4040PW,112 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°C ~ 125°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 16-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4040PW,112 is currently in active production through Rochester Electronics's standard distribution channels.16-TSSOP (0.173", 4.40mm Width)22,038 In Stock$0.4242ACTIVERFQ
74HCT4040PW118Counters & DividersThe 74HCT4040PW118 is a counter/divider IC manufactured by Rochester Electronics. Technical highlights include 4.5 V ~ 5.5 V supply voltage and -40°C ~ 125°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 16-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for consumer electronics, industrial control, and telecommunications applications, the 74HCT4040PW118 is currently in active production through Rochester Electronics's standard distribution channels.16-TSSOP (0.173", 4.40mm Width)839 In Stock$0.5634ACTIVERFQ
74HCT4046AD,112Clock Generators, PLLs & SynthesizersThe 74HCT4046AD,112 is a PLL frequency synthesizer manufactured by Rochester Electronics. Design review should confirm clock frequency, PLL configuration, jitter budget, output type, 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 telecommunications infrastructure, data center networking, and industrial control applications, the 74HCT4046AD,112 is currently in active production through Rochester Electronics's standard distribution channels.10,654 In Stock$0.4303ACTIVERFQ
74HCT4046AD,118Clock Generators, PLLs & SynthesizersThe 74HCT4046AD,118 is a PLL frequency synthesizer manufactured by Rochester Electronics. Design review should confirm clock frequency, PLL configuration, jitter budget, output type, 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 telecommunications infrastructure, data center networking, and industrial control applications, the 74HCT4046AD,118 is currently in active production through Rochester Electronics's standard distribution channels.30,946 In Stock$0.3237ACTIVERFQ
74HCT4046ADB,112Clock Generators, PLLs & SynthesizersThe 74HCT4046ADB,112 is a PLL frequency synthesizer manufactured by Rochester Electronics. Design review should confirm clock frequency, PLL configuration, jitter budget, output type, 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 telecommunications infrastructure, data center networking, and industrial control applications, the 74HCT4046ADB,112 is currently in active production through Rochester Electronics's standard distribution channels.7,259 In Stock$0.9900ACTIVERFQ
74HCT4046ADB,118Clock Generators, PLLs & SynthesizersThe 74HCT4046ADB,118 is a PLL frequency synthesizer manufactured by Rochester Electronics. Design review should confirm clock frequency, PLL configuration, jitter budget, output type, 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 telecommunications infrastructure, data center networking, and industrial control applications, the 74HCT4046ADB,118 is currently in active production through Rochester Electronics's standard distribution channels.9,600 In Stock$0.5488ACTIVERFQ
74HCT4046AN,112Clock Generators, PLLs & SynthesizersThe 74HCT4046AN,112 is a PLL frequency synthesizer manufactured by Rochester Electronics. Key technical specifications include 4.5V ~ 5.5V supply voltage, Clock output type, and -40°C ~ 125°C operating temperature; design review should also confirm clock frequency, PLL configuration, and jitter budget. This Through Hole component is supplied in a 16-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 125°C. Designed for telecommunications infrastructure, data center networking, and industrial control applications, the 74HCT4046AN,112 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$0.8084OBSOLETERFQ
74HCT4051BQ115Analog Switches & MultiplexersThe 74HCT4051BQ115 is an analog switch/multiplexer 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 - component is supplied in a standard package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the 74HCT4051BQ115 is currently in active production through Rochester Electronics's standard distribution channels.15,960 In Stock$0.6120ACTIVERFQ
74HCT4051D-Q100118Analog Switches & MultiplexersThe 74HCT4051D-Q100118 is an analog switch/multiplexer 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 - component is supplied in a standard package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the 74HCT4051D-Q100118 is currently in active production through Rochester Electronics's standard distribution channels.38,664 In Stock$0.2070ACTIVERFQ
74HCT4051D/AU118Analog Switches & MultiplexersThe 74HCT4051D/AU118 is an analog switch/multiplexer 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 - component is supplied in a standard package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the 74HCT4051D/AU118 is currently in active production through Rochester Electronics's standard distribution channels.7,500 In Stock$1.75ACTIVERFQ
74HCT4051D/C118Analog Switches & MultiplexersThe 74HCT4051D/C118 is an analog switch/multiplexer 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 - component is supplied in a standard package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the 74HCT4051D/C118 is currently in active production through Rochester Electronics's standard distribution channels.44,605 In Stock$0.1440ACTIVERFQ

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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