MC74HC245ADWG(2014) データシートの表示（PDF） - ON Semiconductor
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MC74HC245ADWG Datasheet PDF : 8 Pages
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MC74HC245A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Symbol
VIH
Parameter
Minimum High−Level Input Voltage
Test Conditions
Vout = VCC – 0.1 V
|Iout| v 20 mA
VIL
Maximum Low−Level Input Voltage Vout = 0.1 V
|Iout| v 20 mA
VOH Minimum High−Level Output
Voltage
Vin = VIH
|Iout| v 20 mA
VOL Maximum Low−Level Output
Voltage
Vin = VIH |Iout| v 2.4 mA
|Iout| v 6.0 mA
|Iout| v 7.8 mA
Vin = VIL
|Iout| v 20 mA
Vin = VIL |Iout| v 2.4 mA
|Iout| v 6.0 mA
|Iout| v 7.8 mA
Iin
Maximum Input Leakage Current
Vin = VCC or GND
IOZ
Maximum Three−State Leakage
Output in High−Impedance State
Current
Vin = VIL or VIH
Vout = VCC or GND
ICC Maximum Quiescent Supply Cur- Vin = VCC or GND
rent (per Package)
Iout = 0 mA
Guaranteed Limit
VCC –55 to
V
25_C v 85_C v 125_C Unit
2.0
1.5
1.5
1.5
V
3.0
2.1
2.1
2.1
4.5
3.15
3.15
3.15
6.0
4.2
4.2
4.2
2.0
0.5
0.5
0.5
V
3.0
0.9
0.9
0.9
4.5
1.35
1.35
1.35
6.0
1.8
1.8
1.8
2.0
1.9
1.9
1.9
V
4.5
4.4
4.4
4.4
6.0
5.9
5.9
5.9
3.0
2.48
2.34
2.2
4.5
3.98
3.84
3.7
6.0
5.48
5.34
5.2
2.0
0.1
0.1
0.1
V
4.5
0.1
0.1
0.1
6.0
0.1
0.1
0.1
3.0
0.26
0.33
0.4
4.5
0.26
0.33
0.4
6.0
0.26
0.33
0.4
6.0
±0.1
±1.0
±1.0
mA
6.0
±0.5
±5.0
±10
mA
6.0
4.0
40
160
mA
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
tPLH,
tPHL
Parameter
Maximum Propagation Delay,
A to B, B to A
(Figures 1 and 3)
tPLZ,
tPHZ
Maximum Propagation Delay,
Direction or Output Enable to A or B
(Figures 2 and 4)
tPZL,
tPZH
Maximum Propagation Delay,
Output Enable to A or B
(Figures 2 and 4)
tTLH,
tTHL
Maximum Output Transition Time,
Any Output
(Figures 1 and 3)
Cin Maximum Input Capacitance (Pin 1 or Pin 19)
Cout Maximum Three−State I/O Capacitance
(I/O in High−Impedance State)
Guaranteed Limit
VCC –55 to
V
25_C v 85_C v 125_C Unit
2.0
75
3.0
55
4.5
15
6.0
13
95
110
ns
70
80
19
22
16
19
2.0
110
140
165
ns
3.0
90
110
130
4.5
22
28
33
6.0
19
24
28
2.0
110
140
165
ns
3.0
90
110
130
4.5
22
28
33
6.0
19
24
28
2.0
60
75
90
ns
3.0
23
27
32
4.5
12
15
18
6.0
10
13
15
−
10
10
10
pF
−
15
15
15
pF
Typical @ 25°C, VCC = 5.0 V
CPD Power Dissipation Capacitance (Per Transceiver Channel) (Note 7)
40
pF
7. Used to determine the no−load dynamic power consumption: PD = CPD VCC2f + ICC VCC.
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