MC74AC132, MC74ACT132
Quad 2−Input NAND Schmitt
Trigger
The MC74AC/74ACT132 contains four 2−input NAND gates
which are capable of transforming slowly changing input signals into
sharply defined, jitter−free output signals. In addition, they have
greater noise margin than conventional NAND gates.
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Each circuit contains a 2−input Schmitt trigger. The Schmitt trigger
uses positive feedback to effectively speed−up slow input transitions,
and provide different input threshold voltages for positive and
negative-going transitions. This hysteresis between the positive−going
and negative−going input threshold is determined by resistor ratios
and is essentially insensitive to temperature and supply voltage
variations.
PDIP−14
N SUFFIX
CASE 646
14
1
SOIC−14
D SUFFIX
CASE 751A
Features
14
1
• Schmitt Trigger Inputs
• Outputs Source/Sink 24 mA
• ′ACT132 Has TTL Compatible Inputs
• Pb−Free Packages are Available
SOEIAJ−14
M SUFFIX
CASE 965
14
1
V
CC
14
13
12
11
10
9
8
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
1
2
3
4
5
6
7
GND
Figure 1. Pinout; 14−Lead Packages Conductors
(Top View)
FUNCTION TABLE
Inputs
Output
A
B
Y
L
L
H
H
L
H
L
H
H
H
L
H
H = HIGH Voltage Level L = LOW Voltage Level
©
Semiconductor Components Industries, LLC, 2006
1
Publication Order Number:
October, 2006 − Rev. 7
MC74AC132/D