mc74ac257 ON Semiconductor, mc74ac257 Datasheet - Page 6

• Manufacturer Part Number: mc74ac257
• Description: Quad 2input Multiplexer With 3state Outputs
• Manufacturer: ON Semiconductor

AC CHARACTERISTICS
t
t
t
t
t
t
t
t
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
PLH
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
Symbol
Propagation Delay
I
Propagation Delay
I
Propagation Delay
S to Z
Propagation Delay
S to Z
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
n
n
to Z
to Z
n
n
n
n
(For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Parameter
http://onsemi.com
6
V
(V)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
CC
*
Min
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
T
C
A
L
74AC
= +25°C
= 50 pF
Typ
5.0
4.0
6.0
4.5
7.0
5.0
7.5
5.5
6.5
5.0
5.5
5.0
5.5
5.0
5.5
5.0
Max
10.5
10.5
10.0
8.5
6.0
8.5
6.0
7.5
7.5
9.5
7.5
9.0
8.5
9.0
9.0
8.0
Min
T
1.0
1.0
1.0
1.0
1.5
1.0
1.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
C
A
to +85°C
L
74AC
= −40°C
= 50 pF
Max
11.5
11.5
10.5
10.0
11.0
10.0
10.0
9.0
7.0
9.0
7.0
8.5
8.5
8.5
9.5
9.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
3−5
3−5
3−6
3−6
3−7
3−8
3−7
3−8
No.