74HC137D NXP Semiconductors, 74HC137D Datasheet - Page 5

• Manufacturer Part Number: 74HC137D
• Description: Latch/Decoder/Demultiplexer Single 3-to-8 16-Pin SO Bulk
• Manufacturer: NXP Semiconductors

Specifications of 74HC137D

• Package: 16SO
• Logic Function: Latch/Decoder/Demultiplexer
• Logic Family: HC
• Number Of Element Inputs: 3
• Number Of Element Outputs: 8
• Number Of Input Enables Per Element: 1
• Number Of Output Enables Per Element: 2
• Demultiplexing Capability: 1-of-8
• Fabrication Technology: CMOS
• Typical Operating Supply Voltage: 5 V
• Operating Temperature: -40 to 125 °C

Philips Semiconductors
7. Functional description
Table 4:
[1]
9397 750 13804
Product data sheet
Enable
LE
H
X
X
L
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
E1
L
H
X
L
Function table
E2
H
X
L
H
6.2 Pin description
7.1 Function table
Input
A0
X
X
X
L
H
L
H
L
H
L
H
Table 3:
Symbol
A0
A1
A2
LE
E1
E2
Y7
GND
Y6
Y5
Y4
Y3
Y2
Y1
Y0
V
CC
[1]
A1
X
X
X
L
L
H
H
L
L
H
H
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A2
X
X
X
L
L
L
L
H
H
H
H
3-to-8 line decoder, demultiplexer with address latches; inverting
Output
Y0
stable
H
H
L
H
H
H
H
H
H
H
Rev. 03 — 11 November 2004
Y1
H
H
H
L
H
H
H
H
H
H
Description
data input 0
data input 1
data input 2
latch enable input (active LOW)
data enable input 1 (active LOW)
data enable input 2 (active HIGH)
multiplexer output 7
ground (0 V)
multiplexer output 6
multiplexer output 5
multiplexer output 4
multiplexer output 3
multiplexer output 2
multiplexer output 1
multiplexer output 0
positive supply voltage
Y2
H
H
H
H
L
H
H
H
H
H
Y3
H
H
H
H
H
L
H
H
H
H
Y4
H
H
H
H
H
H
L
H
H
H
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Y5
H
H
H
H
H
H
H
L
H
H
74HC137
Y6
H
H
H
H
H
H
H
H
L
H
Y7
H
H
H
H
H
H
H
H
H
L
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