MC54F20 Datasheet, PDF (2/2 Pages) Motorola, Inc – DUAL 4-INPUT NAND GATE

MC54/74F20
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
VIK
Input Clamp Diode Voltage
–1.2
V
VCC = MIN, IIN = –18 mA
VOH
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
VOL
Output LOW Voltage
0.5
V
IOL = 20 mA
VCC = MIN
IIH
Input HIGH Current
20
µA VCC = MAX, VIN = 2.7 V
0.1
mA VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
–0.6
mA VCC = MAX, VIN = 0.5 V
IOS
Output Short Circuit Current (Note 2) –60
–150 mA VCC = MAX, VOUT = 0 V
Power Supply Current
ICC
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
Symbol
tPLH
tPHL
Parameter
Propagation Delay
Propagation Delay
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
Min
Max
Min
Max
Min
Max
Unit
2.4
5.0
2.0
7.0
2.4
6.0
ns
1.5
4.3
1.5
6.5
1.5
5.3
ns
FAST AND LS TTL DATA
4-18