8 Bit Magnitude/Identity Comparators

74684

ic logic

This is an 8-bit magnitude/identity comparator IC used for comparing two 8-bit binary numbers and determining if they are equal or not.

Manufacturer datasheet

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Specifications

Operating Voltage: 5.0 V to 12.6 V
Supply Current: 3 mA (typical)

Pinout

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.

Pin	Name	Functions	Notes
1	A7	GPIO	Comparator input A, bit 7
2	A6	GPIO	Comparator input A, bit 6
3	A5	GPIO	Comparator input A, bit 5
4	A4	GPIO	Comparator input A, bit 4
5	A3	GPIO	Comparator input A, bit 3
6	A2	GPIO	Comparator input A, bit 2
7	A1	GPIO	Comparator input A, bit 1
8	A0	GPIO	Comparator input A, bit 0
9	B7	GPIO	Comparator input B, bit 7
10	B6	GPIO	Comparator input B, bit 6
11	B5	GPIO	Comparator input B, bit 5
12	B4	GPIO	Comparator input B, bit 4
13	B3	GPIO	Comparator input B, bit 3
14	B2	GPIO	Comparator input B, bit 2
15	B1	GPIO	Comparator input B, bit 1
16	B0	GPIO	Comparator input B, bit 0
17	EQ	GPIO	Equality output (active low)
18	VCC	POWER	Supply voltage

Interactive pinout

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74684

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