74126 IC Quadruple Bus Buffers with 3-State Outputs DIP-14

74126 Features

Quad Bus Buffers with 3-State Outputs

Separate Control for each Channel

High-Impedance Output State

Standard TTL Switching Voltages

Specifications:

Product Attribute

Attribute Value

Product Category:

Buffers & Line Drivers

Logic Family:

LS

Number of Input Lines:

4 Input

Number of Output Lines:

4 Output

Polarity:

Non-Inverting

Package/Case:

PDIP-14

High Level Output Current:

2.6 mA

Low Level Output Current:

24 mA

Quiescent Current:

36 mA

Supply Voltage Min:

4.75 V

Supply Voltage Max:

5.25 V

Operating Supply Current:

62 mA

Minimum Operating Temperature:

0 C

Maximum Operating Temperature:

+ 70 C

Function:

Buffer/Line Driver

Input Signal Type:

Single-Ended

Logic Type:

Bipolar

Number of Channels:

4 Channel

Operating Supply Voltage:

4.75 V to 5.25 V

Output Type:

3-State

Product Type:

Buffers & Line Drivers

Propagation Delay Time:

18 ns at 5 V

Series:

SN74LS126A

Subcategory:

Logic ICs

Technology:

Bipolar

Note:

Like every other chip in the 74 series, this IC must be connected to power before you can use it. Most 74126 ICs support a VCC voltage of 5V. One difference between the HC and LS version of the chip is that the 74HC126 supports 2V to 6V, while the 74LS126 supports only 5V.

74126 Pinout Diagram

74126 Pin Description

Pin No

Pin Name

Description

1

1G, 1G*

LOW/High pin of Buffer 1

2

1A

Input Of Buffer 1

3

1Y

Output Of Buffer 1

4

2G,2G*

LOW/High pin of Buffer 2

5

2A

Input Of Buffer 2

6

2Y

Output Of Buffer 2

7

GND

Ground

8

3Y

Output Of Buffer 3

9

3A

Input Of Buffer 3

10

3G,3G*

LOW/High pin of Buffer 3

11

4Y

Output Of Buffer 4

12

4A

Input Of Buffer 4

13

4G,4G*

LOW/High pin of Buffer 4

14

VCC

Positive Supply

Applications

A
digital buffer
(or a voltage buffer) is an electronic circuit element used to isolate input from the output.

Datasheet