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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)
74AC
74AC
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
tPHL
tPLH
tPHL
tPZH
Propagation Delay
Dn to On
Propagation Delay
Dn to On
Propagation Delay
LE to On
Propagation Delay
LE to On
Output Enable Time
3.3 1.5 10 13.5 1.5 15
5.0 1.5 7.0 9.5 1.5 10.5
ns
3–5
3.3 1.5 9.5 13 1.5 14.5
5.0 1.5 7.0 9.5 1.5 10.5
ns
3–5
3.3 1.5 10 13.5 1.5 15
5.0 1.5 7.5 9.5 1.5 10.5
ns
3–6
3.3 1.5 9.5 12.5 1.5 14
5.0 1.5 7.0 9.5 1.5 10.5
ns
3–6
3.3 1.5 9.0 11.5 1.0 13
5.0 1.5 7.0 8.5 1.0 9.5
ns
3–7
tPZL
Output Enable Time
3.3 1.5 8.5 11.5 1.0 13
5.0 1.5 6.5 8.5 1.0 9.5
ns
3–8
tPHZ
Output Disable Time
3.3 1.5 10 12.5 1.0 14.5
5.0 1.5 8.0
11
1.0 12.5
ns
3–7
tPLZ
Output Disable Time
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3 1.5 8.0 11.5 1.0 12.5
5.0 1.5 6.5 8.5 1.0 10
ns
3–8
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
ts
Dn to LE
Hold Time, HIGH or LOW
th
Dn to LE
tw
LE Pulse Width, HIGH
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC
74AC
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
3.3 3.5
5.5
5.0 2.0
4.0
3.3 –3.0
1.0
5.0 –1.5
1.0
6.0
4.5
ns
3–9
1.0
1.0
ns
3–9
3.3 4.0
5.5
5.0 2.0
4.0
6.0
4.5
ns
3–6
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