MC74VHC157(2011) Просмотр технического описания (PDF) - ON Semiconductor
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MC74VHC157 Datasheet PDF : 7 Pages
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MC74VHC157
DC CHARACTERISTICS (Voltages Referenced to GND)
Symbol
VIH
Parameter
High−Level
Input Voltage
VIL
Low−Level
Input Voltage
VOH
High−Level
Output Voltage
VCC
TA = 25_C
TA v85_C
−55_C vTAv125_C
Condition
(V)
Min Typ Max
Min
Max
Min
Max Unit
2.0
1.5
3.0 to 5.5 0.7 VCC
1.5
1.5
V
0.7 VCC
0.7 VCC
2.0
3.0 to 5.5
0.5
0.3 VCC
0.5
0.3 VCC
0.5
V
0.3 VCC
VIN = VIH or VIL
2.0
1.9
2.0
1.9
1.9
V
IOH = −50 mA
3.0
2.9
3.0
2.9
2.9
4.5
4.4
4.5
4.4
4.4
VIN = VIH or VIL
IOH = −4 mA
3.0
IOH = −8 mA
4.5
VOL
Low−Level
VIN = VIH or VIL
2.0
Output Voltage IOL = 50 mA
3.0
4.5
2.58
2.48
3.94
3.8
0.0
0.1
0.1
0.0
0.1
0.1
0.0
0.1
0.1
2.34
3.66
0.1
V
0.1
0.1
VIN = VIH or VIL
IOH = 4 mA
3.0
IOH = 8 mA
4.5
IIN
Input Leakage VIN = 5.5 V or 0 to 5.5
Current
GND
0.36
0.36
$0.1
0.44
0.44
$1.0
0.52
0.52
$1.0 mA
ICC
Quiescent
VIN = VCC or
5.5
Supply Current GND
4.0
40.0
40.0 mA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TA = 25_C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol Characteristic
Test Conditions
Min Typ Max
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL
Propagation Delay, VCC = 3.3 $ 0.3 V CL = 15 pF
A to B to Y
CL = 50 pF
6.2 9.7
8.7 13.2
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC=5.0$0.5V CL=15pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CL = 50 pF
4.1 6.4
5.6 8.4
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,
tPHL
Propagation Delay, VCC = 3.3 $ 0.3 V CL = 15 pF
S to Y
CL = 50 pF
8.4 13.2
10.9 16.7
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC=5.0$0.5V CL=15pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CL = 50 pF
5.3 8.1
6.8 10.1
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL
Propagation Delay, VCC = 3.3 $ 0.3 V CL = 15 pF
E to Y
CL = 50 pF
8.7 13.6
11.2 17.1
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC=5.0$0.5V CL=15pF
CL = 50 pF
5.6 8.6
7.1 10.6
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CIN
Input Capacitance
4
10
TA v85_C
Typ Max
1.0 11.5
1.0 15.0
1.0 7.5
1.0 9.5
1.0 15.5
1.0 19.0
1.0 9.5
1.0 11.5
1.0 16.0
1.0 19.5
1.0 10.0
1.0 12.0
10
−55_C vTAv125_C
Typ
Max Unit
1.0
11.5
ns
1.0
15.0
1.0
7.5
1.0
9.5
1.0
15.5
ns
1.0
19.0
1.0
9.5
1.0
11.5
1.0
16.0
ns
1.0
19.5
1.0
10.0
1.0
12.0
10
pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Typical @ 25_C, VCC = 5.0 V
CPD
Power Dissipation Capacitance (Note 7)
20
pF
7. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR) = CPD VCC fin + ICC. CPD is used to determine the no−load dynamic
power consumption: PD = CPD VCC2 fin + ICC VCC.
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