MOTOROLA SN54LS12, SN74LS12 Technical data
TRIPLE 3-INPUT NAND GATE
V
CC
14 13 12 11 10 9
8
SN54/74LS12
TRIPLE 3-INPUT NAND GATE
LOW POWER SCHOTTKY
*
123456
*OPEN COLLECTOR OUTPUTS
*
*
7
GND
J SUFFIX
CERAMIC
14
1
14
1
14
1
CASE 632-08
N SUFFIX
PLASTIC
CASE 646-06
D SUFFIX
CASE 751A-02
ORDERING INFORMATION
SN54LSXXJ Ceramic
SN74LSXXN Plastic
SN74LSXXD SOIC
SOIC
GUARANTEED OPERATING RANGES
Symbol Parameter Min Typ Max Unit
V
T
V
I
CC
A
OH
OL
Supply Voltage 54
74
Operating Ambient Temperature Range 54
74
Output Voltage — High 54, 74 5.5 V
Output Current — Low 54
74
4.5
4.75
–55
0
5.0
5.0
25
25
5.5
5.25
125
70
4.0
8.0
FAST AND LS TTL DAT A
5-1
V
°C
mA
SN54/74LS12
VILI
LOW Volt
V
pg
VOLOutput LOW Volt
V
V
V
IIHI
HIGH C
t
I
CC
p
mA
VCC MAX
CC
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol Parameter
V
V
I
OH
I
IL
I
CC
IH
IK
Input HIGH Voltage 2.0 V
nput
Input Clamp Diode Voltage –0.65 –1.5 V VCC = MIN, IIN = –18 mA
Output HIGH Current 54, 74 100 µA VCC = MIN, VOH = MAX
nput
Input LOW Current –0.4 mA VCC = MAX, VIN = 0.4 V
Power Supply Current
Total, Output HIGH
Total, Output LOW
age
age
urren
54, 74 0.25 0.4 V IOL = 4.0 mA
Min Typ Max
54 0.7
74 0.8
74 0.35 0.5 V IOL = 8.0 mA
0.1 mA VCC = MAX, VIN = 7.0 V
1.4
3.3
Unit Test Conditions
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
All Inputs
20 µA VCC = MAX, VIN = 2.7 V
mA VCC = MAX
VCC = VCC MIN,
=
or
IN
IL
per Truth Table
IH
AC CHARACTERISTICS (T
Symbol Parameter
t
PLH
t
PHL
Turn-Off Delay, Input to Output 17 32 ns
Turn-On Delay, Input to Output 15 28 ns
= 25°C)
A
Limits
Min Typ Max
Unit Test Conditions
VCC = 5.0 V
CL = 15 pF, RL = 2.0 kΩ
FAST AND LS TTL DATA
5-2
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