74LS158 Quad 2/1 Multiplexer Inverter

The 74LS series of integrated circuits (ICs) was one of the most popular logic families of transistor-transistor logic (TTL) logic chips. 74LS series is a bipolar, low-power Schottky IC.74LS158 data selectors/multiplexers contain inverters and drivers to supply full on-chip data section to four output gates

74LS158 Features

• Contains Four Multiplexers To Select Data Input and Invert this to the Output
• Fast Propagation Time
• Low Power
• Operating Temperature up to 70°C
• Standard TTL Switching Voltages

74LS158 Specifications

Supply Voltage	4.75 – 5.25Vdc
Maximum Clock Frequency	40Mhz
Power Dissipation	2mW/gate @100kHz
Minimum Output Current	8mA
Propagation Delay	10nS
Fan Out (TTL Loads)	20

74LS158 Pinout Diagram

74LS158 Pin Description

Pin No	Pin Name	Description
1	S1	Data Select Input
2	I0a	Data Input From a
3	I1a	Data Input From a
4	Za	Inverted Output
5	I0b	Data Input From b
6	I1b	Data Input From b
7	zb	Inverted Output
8	GND	Ground
9	Z’d	Inverted Output
10	I1d	Data Input From d
11	I0d	Data Input From d
12	Z’c	Inverted Output
13	I1c	Data Input From c
14	I0c	Data Input From c
15	E’	Enable Active Low Input
16	VCC	Positive Supply

Applications

• Allow the process of transmitting different types of data such as audio, and video at the same time using a single transmission line.

74LS158 Alternative Equivalent

Download 74LS158 Quad 2/1 Multiplexer Inverter Datasheet from the link given below.