English
Language : 

MC74AC373 Datasheet, PDF (5/12 Pages) Motorola, Inc – OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
MC74AC373, MC74ACT373
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°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
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
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
3−9
3.3 −3.0
1.0
1.0
5.0 −1.5
1.0
1.0
ns
3−9
3.3
4.0
5.5
6.0
5.0
2.0
4.0
4.5
ns
3−6
http://onsemi.com
5