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MC74HC125A_14 Datasheet, PDF (3/7 Pages) ON Semiconductor – Quad 3-State Noninverting Buffers
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MC74HC125A, MC74HC126A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Symbol
Parameter
VCC
Test Conditions
V
VIH Minimum High−Level Input Voltage Vout = VCC – 0.1 V
2.0
|Iout| v 20 mA
3.0
4.5
6.0
VIL Maximum Low−Level Input Voltage Vout = 0.1 V
2.0
|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
Vin = VIL
|Iout| v 20 mA
|Iout| v 3.6 mA 3.0
|Iout| v 6.0 mA 4.5
|Iout| v 7.8 mA 6.0
2.0
4.5
6.0
Vin = VIL
|Iout| v 3.6 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
Current
Output in High−Impedance State 6.0
Vin = VIL or VIH
Vout = VCC or GND
ICC Maximum Quiescent Supply Current Vin = VCC or GND
6.0
(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)
VCC
Symbol
Parameter
V
tPLH, Maximum Propagation Delay, Input A to Output Y
2.0
tPHL
(Figures 1 and 3)
3.0
4.5
6.0
tPLZ, Maximum Propagation Delay, Output Enable to Y
2.0
tPHZ
(Figures 2 and 4)
3.0
4.5
6.0
tPZL, Maximum Propagation Delay, Output Enable to Y
2.0
tPZH
(Figures 2 and 4)
3.0
4.5
6.0
tTLH, Maximum Output Transition Time, Any Output
2.0
tTHL
(Figures 1 and 3)
3.0
4.5
6.0
Cin Maximum Input Capacitance
−
Cout Maximum 3−State Output Capacitance (Output in High−Impedance State)
−
Guaranteed Limit
–55 to
25_C
90
36
18
15
v 85_C v 125_C Unit
115
135
ns
45
60
23
27
20
23
120
150
180
ns
45
60
80
24
30
36
20
26
31
90
115
135
ns
36
45
60
18
23
27
15
20
23
60
75
90
ns
22
28
34
12
15
18
10
13
15
10
10
10
pF
15
15
15
pF
Typical @ 25°C, VCC = 5.0 V
CPD Power Dissipation Capacitance (Per Buffer)*
30
pF
* Used to determine the no−load dynamic power consumption: PD = CPD VCC2f + ICC VCC.
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