MC74ACT257 ON Semiconductor, MC74ACT257 Datasheet - Page 5

• Manufacturer Part Number: MC74ACT257
• Description: QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
• Manufacturer: ON Semiconductor

AC CHARACTERISTICS
t
t
t
t
t
t
t
t
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
PLH
PHL
PHL
PLH
PLH
PHL
PHL
PZH
PZH
PZL
PZL
PHZ
PHZ
PLZ
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 Enable Time
Output Enable Time
Output Disable Time
Output Disable 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
MC74AC257, MC74ACT257
http://onsemi.com
5
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
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
No.
3–5
3–5
3–5
3–5
3–6
3–6
3–6
3–6
3–7
3–7
3–8
3–8
3–7
3–7
3–8
3–8