74ACT373 查看數據表（PDF） - ON Semiconductor
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74ACT373 Datasheet PDF : 12 Pages
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MC74AC373, MC74ACT373
AC CHARACTERISTICS (For Figures and Waveforms – See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
tPLH
Propagation Delay
Dn to On
tPHL
Propagation Delay
Dn to On
tPLH
Propagation Delay
LE to On
tPHL
Propagation Delay
LE to On
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 2.5 8.5 10
1.5 11.5
ns
3–5
5.0 2.0 8.0 10
1.5 11.5
ns
3–5
5.0 2.5 8.5
11
2.0 11.5
ns
3–6
5.0 2.0 8.0 10
1.5 11.5
ns
3–6
5.0 2.0 8.0 9.5 1.5 10.5 ns
3–7
5.0 2.0 7.5 9.0 1.5 10.5 ns
3–8
5.0 2.5 9.0 11 2.5 12.5 ns
3–7
5.0 1.5 7.5 8.5 1.0 10
ns
3–8
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to LE
th
Hold Time, HIGH or LOW
Dn to LE
tw
LE Pulse Width, HIGH
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
74ACT
74ACT
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
5.0 3.0
7.0
8.0
ns
3–9
5.0
0
0
5.0 2.0
7.0
1.0
ns
3–9
8.0
ns
3–6
CAPACITANCE
Symbol
Parameter
CIN
CPD
Input Capacitance
Power Dissipation Capacitance
Value
Typ
Unit
4.5
pF
40
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
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