mc74ac257 ON Semiconductor, mc74ac257 Datasheet - Page 8

• 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 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
C
C
PLH
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
IN
PD
Symbol
Symbol
MC74ACT257N
MC74AC257N
AWLYYWW
AWLYYWW
DIP−16
Input Capacitance
Power Dissipation Capacitance
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
Parameter
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
8
V
(V)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
CC
*
Min
1.5
2.0
2.0
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
6.0
7.0
7.0
6.0
6.0
6.5
6.0
Unit
pF
pF
Max
10.5
7.0
7.5
9.5
8.0
8.0
9.0
7.5
Min
T
1.0
1.5
1.5
2.0
1.5
1.5
1.5
1.5
C
A
to +85°C
L
74ACT
= −40°C
= 50 pF
Test Conditions
Max
10.5
11.5
10.0
7.5
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
Fig.
3−6
3−6
3−6
3−6
3−7
3−8
3−7
3−8
No.