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74 Series Logic

74 Series Logic

A range of classic 74 series logic chips from Silicon ARK

The older hard to find items are tested unused NOS ( New Old Stock ) in perfect condition.

Modern 74's will be NEW Stock and RoHS Compliant.

All varients are listed:  74xxx (original) , 74LSxxx (low power Schottky TTL) , 74HCxxx (high speed CMOS) , 74HTCxxx (HC version with LS TTL compatible inputs), 

So as to make one for one replacement selection easier we also list the same chips but by different manufacturers, for complete compatibility.

Power requirements: 74LS: 5V +/- 0.25V , 74HC: 2 to 6V   , 74HCT: 5V +/- 0.5V    HC and HCT devices are static sensitive.

To search for all the available options for a single device simply key in the basic number inthe top search box i.e  7401 .... 7474    or  74HC01, 74HC74      or 74LS01, 74LS74   .....  

 

Quickview 74HC4066B1R CMOS quad bilateral switch - STMicroelectronics
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Brand: ST Microelectronics Model: 74HC4066B1R CMOS quad bilateral switch - STMicroelectronics
M74HC4066B1R  CMOS quad bilateral switch in a 14 pin DIP package by STMicroelectronics.    Download STMicroelectronics M74HC4066B1R datasheet:     Status: NOS (New Old Stock)    RoHS compliant: no      ..
£0.36
Quickview 74HCT4075 (74HCT4075N)  Triple 3-Input OR gate - Philips Semiconductor
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Brand: Philips Electronics Model: 74HCT4075 (74HCT4075N) Triple 3-Input OR gate - Philips
74HCT4075N Triple 3-Input OR gate by Philips.    Package: 14-pin DIP   Download Philips 74HCT4075N datasheet:    Status: NOS (New Old Stock)   Tested Components: YES  RoHS Compliant: no   ..
£0.67
Quickview 74HCT4075P (PC74HCT4075P)  Triple 3-Input OR gate - Philips Semiconductor
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Brand: Philips Electronics Model: 74HCT4075P (PC74HCT4075P) Triple 3-Input OR gate - Philips
PC74HCT4075P Triple 3-Input OR gate in a 14 pin DIP package by Philips.   Download Philips 74HCT4075N datasheet:    Status: NOS (New Old Stock)   Tested Components: YES   RoHS Compliant: no    ..
£0.67
Quickview 74HC4078 (MC74HC4078N) 8-input NOR/OR gate  - Motorola
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Brand: Motorola Model: 74HC4078 (MC74HC4078N) 8-input NOR/OR gate - Motorola
MC74HC4078N  8-input NOR/OR gate by Philips.   Package: 14-pin DIP   Download Philips MC74HC4078N datasheet:   Status: NOS (New Old Stock)   Tested components: YES   RoHS Compliant: no    ..
£3.00 £2.50
Quickview 74HC4514 (MM74HC4514N) 1-of-16 decoder - National Semiconductor
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Brand: NATIONAL SEMICONDUCTOR Model: 74HC4514 (MM74HC4514N) 1-of-16 decoder - National Semiconductor
MM74HC4514N 1-of-16 decoder / demultiplexer with address latch in a 24 pin DIP package by National Semiconductor. Download National Semiconductor MM74HC4514N datasheet:   Status: NOS (New Old Stock)   Tested components: YESRoHS compliant: no ..
£6.83 £5.00
Quickview 74HC4514N (MC74HC4514N) 1-of-16 decoder - Motorola
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Brand: Motorola Model: 74HC4514N (MC74HC4514N) 1-of-16 decoder - Motorola
MC74HC4514N 1-of-16 decoder / demultiplexer with address latch in a 24 pin DIP package by Motorola. Download Motorola MC74HC4514N datasheet:  Status: NOS (New Old Stock)   Tested components: YES  RoHS compliant: no   ..
£6.83 £5.00
Quickview 74HC4518 Dual synchronous BCD counter - Philips
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Brand: Philips Electronics Model: 74HC4518 Dual synchronous BCD counter - Philips
74HC4518 Dual synchronous BCD counter in a 16 pin DIP package by Philips.   Download Philips 74HC4518 datasheet:    Status: perfect NOS (New Old Stock)   RoHS compliant: no    ..
£1.26 £0.95
Quickview 74HC4520 (CD74HC4520M) CMOS duel binary up counter - Texas Instruments
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Brand: Texas Instruments Model: 74HC4520 (CD74HC4520M) CMOS duel binary up counter - Texas
CD74HC4520M duel binary high speed CMOS logic synchronous up counter in a 16 pin SOIC (surface mount package) by Texas InstrumentsDownload Texas Instruments CD74HC4520M datasheet: Status: NOS (New Old Stock)RoHS: no ..
£0.36 £0.21
Quickview 74AC11138D surface mount 3-line to 8-line decoder - Texas Instruments
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Brand: Texas Instruments Model: 74AC11138D surface mount 3-line to 8-line decoder -Texas
74AC11138D  3-line to 8-line decoder / demultiplexer in a SO16 surface mount package by Texas InstrumentsDownload  Texas Instruments 74AC11138 datasheet: Status: NOS (New Old Stock)RoHS: no ..
£1.57 £1.20
Quickview 74HC40103 (74HC40103N) CMOS 8-Stage Synchronous Down Counter - Philips
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Brand: Philips Electronics Model: 74HC40103N 8-Stage Synchronous Down Counter - Philips
74HC40103N CMOS 8-stage, 8-bit binary presettable synchronous down counter in a 16 pin DIP package by Philips.  Download Philips 74HC40103N datasheet:   Status: NOS (New Old Stock)  Tested Components: YES  RoHS compliant: no ..
£0.90 £0.50
Quickview 74HCT40103 (CD74HCT40103E) CMOS 8-Stage Synchronous Down Counter - Texas Instruments
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Brand: Texas Instruments Model: CD74HCT40103E 8-Stage Down Counter - Texas
CD74HCT40103E CMOS 8-stage, 8-bit binary presettable synchronous down counter in a 16 pin DIP package by Texas Instruments.   Download Texas Instruments CD74HCT40103E datasheet:    Status: NOS (New Old Stock)   Tested Compone..
£0.90 £0.50
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