Motorola MC74F20N, MC74F20D, MC54F20J Datasheet

4-17
FAST AND LS TTL DATA
DUAL 4-INPUT NAND GATE
V
CC
GND
1314 12 11 10 9 8
21 3 4 5 6 7
Symbol Parameter Min Typ Max Unit
V
CC
Supply Voltage 54, 74 4.5 5.0 5.5 V
T
A
Operating Ambient Temperature Range 54 –55 25 125 °C
74 0 25 70
I
OH
Output Current — High 54, 74 –1.0 mA
I
OL
Output Current — Low 54, 74 20 mA
DUAL 4-INPUT NAND GATE
FAST SCHOTTKY TTL
MC54/74F20
MC54FXXJ Ceramic MC74FXXN Plastic MC74FXXD SOIC
D SUFFIX
SOIC
CASE 751A-02
N SUFFIX
PLASTIC
CASE 646-06
J SUFFIX
CERAMIC
CASE 632-08
14
1
14
1
ORDERING INFORMATION
14
1
4-18
FAST AND LS TTL DATA
MC54/74F20
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol Parameter Min Typ Max Unit Test Conditions
V
IH
Input HIGH Voltage 2.0 V Guaranteed Input HIGH Voltage
V
IL
Input LOW Voltage 0.8 V Guaranteed Input LOW Voltage
V
IK
Input Clamp Diode Voltage –1.2 V VCC = MIN, IIN = –18 mA
V
OH
Output HIGH Voltage
54, 74 2.5 V IOH = –1.0 mA VCC = 4.50 V 74 2.7 V IOH = –1.0 mA VCC = 4.75 V V
OL
Output LOW Voltage 0.5 V IOL = 20 mA VCC = MIN
I
IH
Input HIGH Current
20 µA VCC = MAX, VIN = 2.7 V
0.1 mA VCC = MAX, VIN = 7.0 V I
IL
Input LOW Current –0.6 mA VCC = MAX, VIN = 0.5 V
I
OS
Output Short Circuit Current (Note 2) –60 –150 mA VCC = MAX, V
OUT
= 0 V
I
CC
Power Supply Current
Total, Output HIGH
1.4 mA VCC = MAX, VIN = GND
Total, Output LOW 5.1 mA VCC = MAX, VIN = Open
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
54/74F 54F 74F
TA = +25°C TA = –55°C to +125°C TA = 0°C to 70°C
VCC = +5.0 V VCC = 5.0 V ± 10% VCC = 5.0 V ± 10%
CL = 50 pF CL = 50 pF CL = 50 pF
Symbol Parameter Min Max Min Max Min Max Unit
t
PLH
Propagation Delay 2.4 5.0 2.0 7.0 2.4 6.0 ns
t
PHL
Propagation Delay 1.5 4.3 1.5 6.5 1.5 5.3 ns
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