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MC74AC373 Datasheet, PDF (5/12 Pages) Motorola, Inc – OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS | |||
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MC74AC373, MC74ACT373
AC CHARACTERISTICS (For Figures and Waveforms â See AND8277/D at www.onsemi.com)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = â40°C
to +85°C
CL = 50 pF
Fig.
Unit
No.
Min
Typ
Max
Min
Max
Propagation Delay
tPLH
Dn to On
Propagation Delay
tPHL
Dn to On
Propagation Delay
tPLH
LE to On
Propagation Delay
tPHL
LE to On
tPZH
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
3â5
3.3
1.5
9.5
13
1.5
14.5
5.0
1.5
7.0
9.5
1.5
10.5
ns
3â5
3.3
1.5
10
13.5
1.5
15
5.0
1.5
7.5
9.5
1.5
10.5
ns
3â6
3.3
1.5
9.5
12.5
1.5
14
5.0
1.5
7.0
9.5
1.5
10.5
ns
3â6
3.3
1.5
9.0
11.5
1.0
13
5.0
1.5
7.0
8.5
1.0
9.5
ns
3â7
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
3â8
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
3â7
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
3â8
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 = â40°C
to +85°C
Unit
CL = 50 pF
Fig.
No.
Typ Guaranteed Minimum
3.3
3.5
5.5
6.0
5.0
2.0
4.0
4.5
ns
3â9
3.3 â3.0
1.0
1.0
5.0 â1.5
1.0
1.0
ns
3â9
3.3
4.0
5.5
6.0
5.0
2.0
4.0
4.5
ns
3â6
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