Texas Instruments CD74HCT688E, 8-Bit, Identity Comparator, Inverting, 20-Pin PDIP

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£4.03

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£4.835

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  • Final 5 unit(s) shipping from 26 November 2025
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5 - 120£0.806£4.03
125 - 495£0.536£2.68
500 - 1245£0.52£2.60
1250 - 2495£0.508£2.54
2500 +£0.494£2.47

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Packaging Options:
RS Stock No.:
663-0650
Mfr. Part No.:
CD74HCT688E
Brand:
Texas Instruments
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Brand

Texas Instruments

Logic Family

HCT

Logic Function

Identity Comparator

Output Function

A=B

Number of Bits

8

Polarity

Inverting

Mounting Type

Through Hole

Package Type

PDIP

Pin Count

20

Maximum High Level Output Current

-4mA

Maximum Low Level Output Current

4mA

Maximum Propagation Delay Time @ Maximum CL

34 ns @ 4.5 V

Dimensions

24.33 x 6.35 x 4.57mm

Height

4.57mm

Maximum Operating Temperature

+125 °C

Minimum Operating Temperature

-55 °C

Propagation Delay Test Condition

50pF

Length

24.33mm

Minimum Operating Supply Voltage

4.5 V

Width

6.35mm

Maximum Operating Supply Voltage

5.5 V

74HCT Family Complex Function, Texas Instruments


Texas Instruments Complex Function ICs from the 74HCT CMOS Logic Family includes Binary Adders, Magnitude & Identity Comparators, PLLs (Phase Locked Loop) and 4-to-7 BCD Decoder/Drivers. Inputs of the 74HCT family are 74LSTTL compatible, and the products use silicon gate CMOS technology to achieve operating speeds similar to the LSTTL family but with the low power consumption of standard CMOS integrated circuits.

High-Speed CMOS Logic
Operating Voltage 4.5 to 5.5 V
Compatibility: Input TTL, Output CMOS


74HCT Family

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