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74LS688 8-bit Comparator

74LS688

Texas Instrumentsic logic

The 74LS688 is an 8-bit comparator designed for general-purpose digital comparison tasks.

In stock

Specifications

2
Operating Voltage
5.0V to 12.6V
Supply Current
380µA max (typical) mA

Pinout

18

Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.

PinNameFunctionsNotes
1VCC
POWER
Supply voltage
2GND
GND
Ground reference
3A0
GPIO
Comparator input A0
4B0
GPIO
Comparator input B0
5A1
GPIO
Comparator input A1
6B1
GPIO
Comparator input B1
7A2
GPIO
Comparator input A2
8B2
GPIO
Comparator input B2
9A3
GPIO
Comparator input A3
10B3
GPIO
Comparator input B3
11A4
GPIO
Comparator input A4
12B4
GPIO
Comparator input B4
13A5
GPIO
Comparator input A5
14B5
GPIO
Comparator input B5
15A6
GPIO
Comparator input A6
16B6
GPIO
Comparator input B6
17A7
GPIO
Comparator input A7
18B7
GPIO
Comparator input B7

Interactive pinout

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74LS688

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