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74LS158

Motorola
Part Number 74LS158
Manufacturer Motorola
Description QUAD 2-INPUT MULTIPLEXER
Published Jun 26, 2014
Detailed Description QUAD 2-INPUT MULTIPLEXER The LSTTL / MSI SN54L / 74LS158 is a high speed Quad 2-input Multiplexer. It selects four bits ...
Datasheet PDF File 74LS158 PDF File

74LS158
74LS158

Overview
QUAD 2-INPUT MULTIPLEXER The LSTTL / MSI SN54L / 74LS158 is a high speed Quad 2-input Multiplexer.
It selects four bits of data from two sources using the common Select and Enable inputs.
The four buffered outputs present the selected data in the inverted form.
The LS158 can also generate any four of the 16 different functions of two variables.
The LS158 is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all Motorola TTL families.
SN54/74LS158 • • • • • • QUAD 2-INPUT MULTIPLEXER LOW POWER SCHOTTKY Schottky Process for High Speed Multifunction Capability Inverted Outputs Input Clamp Diodes Limit High Speed Termination Effects ESD > 3500 Volts Special Circuitry Ensures Glitch Free Multiplexing CONNECTION DIAGRAM DIP (TOP VIEW) VCC 16 E 15 I0c 14 I1c 13 Zc 12 I0d 11 I1d 10 Zd 9 NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package.
16 J SUFFIX CERAMIC CASE 620-09 1 1 S 2 I0a 3 I1a 4 Za 5 I0b 6 I1b 7 Zb 8 GND LOADING (Note a) HIGH LOW 0.
5 U.
L.
0.
5 U.
L.
0.
25 U.
L.
0.
25 U.
L.
5 (2.
5) U.
L.
16 1 N SUFFIX PLASTIC CASE 648-08 PIN NAMES S E I0a – I0d I1a – I1d Za – Zd Common Select Input Enable (Active LOW) Input Data Inputs from Source 0 Data Inputs from Source 1 Inverted Outputs (Note b) 1.
0 U.
L.
1.
0 U.
L.
0.
5 U.
L.
0.
5 U.
L.
10 U.
L.
16 1 D SUFFIX SOIC CASE 751B-03 ORDERING INFORMATION SN54LSXXXJ SN74LSXXXN SN74LSXXXD Ceramic Plastic SOIC NOTES: a) 1 TTL Unit Load (U.
L.
) = 40 µA HIGH/1.
6 mA LOW.
b) The Output LOW drive factor is 2.
5 U.
L.
for Military (54) and 5 U.
L.
for Commercial (74) Temperature Ranges.
LOGIC DIAGRAM I0a 2 3 I1a 5 I0b 6 I1b 14 I0c 13 I1c 11 I0d 10 I1d E S 15 1 LOGIC SYMBOL 15 2 3 5 6 14 13 11 10 E I0a I1a I0b I1b I0c I1c I0d I1d 1 S Za Zb Zc Zd 4 7 12 9 4 7 12 9 VCC = PIN 16 GND = PIN 8 = PIN NUMBERS Zd VCC = PIN 16 GND = PIN 8 Za Zb Zc FAST AND LS TTL DATA 5-1 SN54/74LS158 FUNCTIONAL DESCRIPTION The LS158 is a Quad 2-inpu...


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