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MC74HC157A_14 Datasheet, PDF (3/7 Pages) ON Semiconductor – Quad 2-Input Data Selectors/Multiplexers
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MC74HC157A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Symbol
Parameter
VCC
Test Conditions
V
VIH Minimum High−Level Input
Vout = VCC – 0.1 V
2.0
Voltage
|Iout| v 20 mA
3.0
4.5
6.0
VIL Maximum Low−Level Input
Vout = 0.1 V
2.0
Voltage
|Iout| v 20 mA
3.0
4.5
6.0
VOH Minimum High−Level Output
Vin = VIH
2.0
Voltage
|Iout| v 20 mA
4.5
6.0
VOL Maximum Low−Level Output
Voltage
Vin = VIH
|Iout| v 2.4 mA 3.0
|Iout| v 6.0 mA 4.5
|Iout| v 7.8 mA 6.0
Vin = VIL
2.0
|Iout| v 20 mA
4.5
6.0
Vin = VIL
|Iout| v 2.4 mA 3.0
|Iout| v 6.0 mA 4.5
|Iout| v 7.8 mA 6.0
Iin
Maximum Input Leakage Current Vin = VCC or GND
6.0
IOZ Maximum Three−State Leakage Output in High−Impedance State
6.0
Current
Vin = VIL or VIH
Vout = VCC or GND
ICC Maximum Quiescent Supply
Vin = VCC or GND
6.0
Current (per Package)
Iout = 0 mA
Guaranteed Limit
–55 to
25_C
v 85_C v 125_C Unit
1.5
1.5
1.5
V
2.1
2.1
2.1
3.15
3.15
3.15
4.2
4.2
4.2
0.5
0.5
0.5
V
0.9
0.9
0.9
1.35
1.35
1.35
1.8
1.8
1.8
1.9
1.9
1.9
V
4.4
4.4
4.4
5.9
5.9
5.9
2.48
2.34
2.2
3.98
3.84
3.7
5.48
5.34
5.2
0.1
0.1
0.1
V
0.1
0.1
0.1
0.1
0.1
0.1
0.26
0.33
0.4
0.26
0.33
0.4
0.26
0.33
0.4
±0.1
±1.0
±1.0
mA
±0.5
±5.0
±10
mA
4.0
40
160
mA
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6.0 ns)
Guaranteed Limit
Symbol
Parameter
VCC
–55 to
V
25_C v 85_C v 125_C Unit
tPLH,
tPHL
Maximum Propagation Delay, Input A or B to Output Y
(Figures 1 and 4)
2.0
105
130
160
ns
3.0
65
85
115
4.5
21
26
32
6.0
18
22
27
tPLH,
tPHL
Maximum Propagation Delay, Select to Output Y
(Figures 2 and 4)
2.0
110
140
165
ns
3.0
70
90
115
4.5
22
28
33
6.0
19
24
28
tPLH,
tPHL
Maximum Propagation Delay, Output Enable to Output Y
(Figures 3 and 4)
2.0
100
125
150
ns
3.0
60
80
110
4.5
20
25
30
6.0
17
21
26
tTLH,
tTHL
Maximum Output Transition Time, Any Output
(Figures 1 and 4)
2.0
75
3.0
27
4.5
15
6.0
13
95
110
ns
32
36
19
22
16
19
Cin Maximum Input Capacitance
−
10
10
10
pF
Typical @ 25°C, VCC = 5.0 V
CPD Power Dissipation Capacitance (Per Package)*
33
pF
* Used to determine the no−load dynamic power consumption: PD = CPD VCC2f + ICC VCC.
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