MC74ACT257 ON Semiconductor, MC74ACT257 Datasheet - Page 7

• 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
*Voltage Range 5.0 V is 5.0 V 0.5 V.
CAPACITANCE
C
C
PLH
PLH
PHL
PHL
PLH
PLH
PHL
PHL
PZH
PZL
PHZ
PLZ
IN
PD
Symbol
Symbol
MC74ACT257N
MC74AC257N
AWLYYWW
AWLYYWW
DIP–16
Input Capacitance
Power Dissipation Capacitance
Propagation Delay
Pro agation Delay
I
Propagation Delay
Pro agation Delay
I
Propagation Delay
Pro agation Delay
S to Z
Propagation Delay
Pro agation 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
Parameter
MC74AC257, MC74ACT257
AWLYWW
AWLYWW
ACT257
A
WL, L
YY, Y
WW, W = Work Week
SO–16
AC257
MARKING DIAGRAMS
http://onsemi.com
= Assembly Location
= Wafer Lot
= Year
7
V
5 0
5.0
5 0
5.0
5 0
5.0
5 0
5.0
5.0
5.0
5.0
5.0
(V)
CC
*
Min
1 5
1.5
2 0
2.0
2 0
2.0
2 5
2.5
2.0
2.0
2.5
2.0
Value
Typ
4.5
50
TSSOP–16
T
C
A
ALYW
ALYW
L
74ACT
ACT
257
257
AC
= +25 C
= 50 pF
Typ
5 0
5.0
6 0
6.0
7 0
7.0
7 0
7.0
6.0
6.0
6.5
6.0
Unit
pF
pF
Max
10 5
10.5
7 0
7.0
7 5
7.5
9 5
9.5
8.0
8.0
9.0
7.5
Min
T
C
1 0
1.0
1 5
1.5
1 5
1.5
2 0
2.0
1.5
1.5
1.5
1.5
to +85 C
A
L
74ACT
= –40 C
= 50 pF
Test Conditions
Max
10 5
10.5
10.0
11 5
11.5
7 5
7.5
8 5
8.5
9.0
9.0
8.5
V
V
74ACT257
74AC257
CC
CC
EIAJ–16
ALYW
ALYW
= 5.0 V
= 5.0 V
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
No.
3–6
3–6
3–6
3–6
3–6
3–6
3–6
3–6
3–7
3–8
3–7
3–8