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SN74LS132 Datasheet PDF : 4 Pages
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SN74LS132
Quad 2-Input
Schmitt Trigger NAND Gate
The SN74LS132 contains four 2-Input NAND Gates which accept
standard TTL input signals and provide standard TTL output levels.
They are capable of transforming slowly changing input signals into
sharply defined, jitter-free output signals. Additionally, they have
greater noise margin than conventional NAND Gates.
Each circuit contains a 2-input Schmitt trigger followed by a
Darlington level shifter and a phase splitter driving a TTL totem pole
output. 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 thresholds
(typically 800 mV) is determined internally by resistor ratios and is
essentially insensitive to temperature and supply voltage variations.
As long as one input remains at a more positive voltage than VT+
(MAX), the gate will respond to the transitions of the other input as
shown in Figure 1.
LOGIC AND CONNECTION DIAGRAM
DIP (TOP VIEW)
VCC
14 13 12 11 10 9 8
http://onsemi.com
LOW
POWER
SCHOTTKY
14
1
PLASTIC
N SUFFIX
CASE 646
1234567
GND
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC
Supply Voltage
TA
Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0
25
70
°C
IOH
Output Current – High
IOL
Output Current – Low
– 0.4 mA
8.0
mA
14
1
SOIC
D SUFFIX
CASE 751A
ORDERING INFORMATION
Device
Package
Shipping
SN74LS132N 14 Pin DIP 2000 Units/Box
SN74LS132D
14 Pin
2500/Tape & Reel
© Semiconductor Components Industries, LLC, 1999
1
December, 1999 – Rev. 6
Publication Order Number:
SN74LS132/D
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