74HC125 Quad Buffer

Name: 74HC125 Quad Buffer
Brand: Texas Instruments

SN74HC125

Texas Instrumentsic logic timer

The 74HC125 is a quad buffer IC featuring four independent non-inverting buffers, each with a 3-state output. It allows for enabling or disabling digital signals, making it suitable for bus isolation.

Manufacturer datasheet

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Specifications

Function: Quadruple Buffer with 3-State Outputs
Operating Voltage: 2 to 6 V
Temperature Range: -40 to 85 °C
Quiescent Supply Current: 80 µA
Input Capacitance: 10 pF
Logic Level: CMOS
Package: SOIC, SSOP, PDIP, SO, TSSOP, CDIP

Pinout

Pin	Name	Functions	Notes
1	1OE	GPIO	Channel 1, Output Enable, Active Low
2	1A	GPIO	Channel 1, Input A
3	1Y	GPIO	Channel 1, Output Y
4	2OE	GPIO	Channel 2, Output Enable, Active Low
5	2A	GPIO	Channel 2, Input A
6	2Y	GPIO	Channel 2, Output Y
7	GND	GND	Ground
8	3Y	GPIO	Channel 3, Output Y
9	3A	GPIO	Channel 3, Input A
10	3OE	GPIO	Channel 3, Output Enable, Active Low
11	4Y	GPIO	Channel 4, Output Y
12	4A	GPIO	Channel 4, Input A
13	4OE	GPIO	Channel 4, Output Enable, Active Low
14	VCC	POWER	Positive Supply

Interactive pinout

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SN74HC125

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