Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6 1Publication Order Number:
SN74LS132/D
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.
14 13 12 11 10 9
123456
VCC
8
7
GND
LOGIC AND CONNECTION DIAGRAM
DIP (TOP VIEW)
GUARANTEED OPERATING RANGES
Symbol Parameter Min Typ Max Unit
VCC Supply Voltage 4.75 5.0 5.25 V
TAOperating Ambient
Temperature Range 0 25 70 °C
IOH Output Current – High –0.4 mA
IOL Output Current – Low 8.0 mA
LOW
POWER
SCHOTTKY
Device Package Shipping
ORDERING INFORMATION
SN74LS132N 14 Pin DIP 2000 Units/Box
SN74LS132D 14 Pin
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1
14
1
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Figure 1. VIN versus VOUT Transfer Function
5
4
3
2
1
00 0.4 0.95 1.2 1.8 2
VIN, INPUT VOLTAGE (VOLTS)
VO, OUTPUT VOLTAGE (VOLTS)
VCC = 5 V
TA = 25°C
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol Parameter Min Typ Max Unit Test Conditions
VT+ Positive-Going Threshold Voltage 1.5 2.0 V VCC = 5.0 V
VT– Negative-Going Threshold Voltage 0.6 1.1 V VCC = 5.0 V
VT+ –V
T– Hysteresis 0.4 0.8 V VCC = 5.0 V
VIK Input Clamp Diode Voltage –0.65 –1.5 V VCC = MIN, IIN = –18 mA
VOH Output HIGH Voltage 2.7 3.4 V VCC = MIN, IOH = –400 µA, VIN = VIL
VO
Out
p
ut LOW Voltage
0.25 0.4 V VCC = MIN, IOL = 4.0 mA, VIN = 2.0 V
V
OL
O
u
tp
u
t
LOW
Voltage
0.35 0.5 V VCC = MIN, IOL = 8.0 mA, VIN = 2.0 V
IT+ Input Current at Positive-Going
Threshold –0.14 mA VCC = 5.0 V, VIN = VT+
IT– Input Current at Negative-Going
Threshold –0.18 mA VCC = 5.0 V, VIN = VT–
I
In
p
ut HIGH Current
20 µA VCC = MAX, VIN = 2.7 V
I
IH
Inp
u
t
HIGH
C
u
rrent
0.1 mA VCC = MAX, VIN = 7.0 V
IIL Input LOW Current –0.4 mA VCC = MAX, VIN = 0.4 V
IOS Output Short Circuit Current (1) –20 –100 mA VCC = MAX, VOUT = 0 V
I
CC
Power Supply Current
Total, Output HIGH 5.9 11 mA VCC = MAX, VIN = 0 V
CC
Total, Output LOW 8.2 14 mA VCC = MAX, VIN = 4.5 V
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C)
Limits
Symbol Parameter Min Typ Max Unit Test Conditions
tPLH T urn-Off Delay, Input to Output 22 ns VCC = 5.0 V
tPHL T urn-On Delay, Input to Output 22 ns
CC
CL = 15 pF
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Figure 2. AC Waveforms
3 V
0 V
VIN
VOUT
1.6 V 0.8 V
tPHL
1.3 V 1.3 V
tPLH
∆VT
Figure 3. Threshold Voltage and Hysteresis
versus Power Supply Voltage
Figure 4. Threshold Voltage and Hysteresis
versus Temperature
2
1.6
1.2
0.8
0.4
04.5 4.75 5 5.25 5.5
VCC, POWER SUPPLY VOLTAGE (VOLTS)
VT, THRESHOLD VOLTAGE (VOLTS)
VT, HYSTERESIS (VOLTS)∆
1.9
1.7
1.5
1.3
1.1
0.9
0.7
–55°0°25°75°125°
TA, AMBIENT TEMPERATURE (°C)
VT, THRESHOLD VOLTAGE (VOLTS)
VT, HYSTERESIS (VOLTS)∆
TA = 25°CVT+
VT–
∆VT
VT+
VT–
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PACKAGE DIMENSIONS
17
14 8
B
ADIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.715 0.770 18.16 18.80
B0.240 0.260 6.10 6.60
C0.145 0.185 3.69 4.69
D0.015 0.021 0.38 0.53
F0.040 0.070 1.02 1.78
G0.100 BSC 2.54 BSC
H0.052 0.095 1.32 2.41
J0.008 0.015 0.20 0.38
K0.115 0.135 2.92 3.43
L
M––– 10 ––– 10
N0.015 0.039 0.38 1.01
__
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
F
HG DK
C
SEATING
PLANE
N
–T–
14 PL
M
0.13 (0.005)
L
M
J0.290 0.310 7.37 7.87
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
–A–
–B–
G
P7 PL
14 8
71 M
0.25 (0.010) B M
S
B
M
0.25 (0.010) A S
T
–T–
F
RX 45
SEATING
PLANE D14 PL K
C
J
M
_
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A8.55 8.75 0.337 0.344
B3.80 4.00 0.150 0.157
C1.35 1.75 0.054 0.068
D0.35 0.49 0.014 0.019
F0.40 1.25 0.016 0.049
G1.27 BSC 0.050 BSC
J0.19 0.25 0.008 0.009
K0.10 0.25 0.004 0.009
M0 7 0 7
P5.80 6.20 0.228 0.244
R0.25 0.50 0.010 0.019
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