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MC74AC257DR2G
P1-P3
P4-P6
P7-P9
MC74AC257, MC74ACT257
www
.onsemi.com
4
DC CHARACTERISTICS
Symbol
Parameter
V
CC
(V)
74AC
74AC
Unit
Conditions
T
A
= +25
°
C
T
A
=
−40
°
C t
o
+85
°
C
Ty
p
Guaranteed Limits
V
IH
Minimum High Level
Input V
oltage
3.0
1.5
2.1
2.1
V
OUT
= 0.1 V
4.5
2.25
3.15
3.15
V
or V
CC
− 0.1 V
5.5
2.75
3.85
3.85
V
IL
Maximum Low Level
Input V
oltage
3.0
1.5
0.9
0.9
V
OUT
= 0.1 V
4.5
2.25
1.35
1.35
V
or V
CC
− 0.1 V
5.5
2.75
1.65
1.65
V
OH
Minimum High Level
Output V
oltage
3.0
2.99
2.9
2.9
I
OUT
= −50
m
A
4.5
4.49
4.4
4.4
V
5.5
5.49
5.4
5.4
V
*V
IN
= V
IL
or V
IH
3.0
−
2.56
2.46
−12 mA
4.5
−
3.86
3.76
I
OH
−24 mA
5.5
−
4.86
4.76
−24 mA
V
OL
Maximum Low Level
Output V
oltage
3.0
0.002
0.1
0.1
I
OUT
= 50
m
A
4.5
0.001
0.1
0.1
V
5.5
0.001
0.1
0.1
V
*V
IN
= V
IL
or V
IH
3.0
−
0.36
0.44
12 mA
4.5
−
0.36
0.44
I
OL
24 mA
5.5
−
0.36
0.44
24 mA
I
IN
Maximum Input
Leakage Current
5.5
−
±
0.1
±
1.0
m
A
V
I
= V
CC
, GND
I
OZ
Maximum
3−State
Current
V
I
(OE) = V
IL
, V
IH
5.5
−
±
0.5
±
5.0
m
A
V
I
= V
CC
, GND
V
O
= V
CC
, GND
I
OLD
†Minimum Dynamic
Output Current
5.5
−
−
75
mA
V
OLD
= 1.65 V Max
I
OHD
5.5
−
−
−75
mA
V
OHD
= 3.85 V Min
I
CC
Maximum Quiescent
Supply Current
5.5
−
8.0
80
m
A
V
IN
= V
CC
or GND
*All outputs loaded; thresholds on input associated with output under test.
†
Maximum test duration 2.0 ms, one output loaded at a time.
NOTE:
I
IN
and I
CC
@ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V
CC
.
MC74AC257, MC74ACT257
www
.onsemi.com
5
AC CHARACTERISTICS
(For Figures and W
aveforms − See Section 3 of the ON Semiconductor F
ACT Data Book, DL138/D)
Symbol
Parameter
V
CC
*
(V)
74AC
74AC
Unit
Fig.
No.
T
A
= +25
°
C
C
L
= 50 pF
T
A
= −40
°
C
to +85
°
C
C
L
= 50 pF
Min
Ty
p
Max
Min
Max
t
PLH
Propagation Delay
3.3
1.5
5.0
8.5
1.0
9.0
ns
3−5
I
n
to Z
n
5.0
1.5
4.0
6.0
1.0
7.0
t
PHL
Propagation Delay
3.3
1.5
6.0
8.5
1.0
9.0
ns
3−5
I
n
to Z
n
5.0
1.5
4.5
6.0
1.0
7.0
t
PLH
Propagation Delay
3.3
1.5
7.0
10.5
1.5
1
1.5
ns
3−6
S to Z
n
5.0
1.5
5.0
7.5
1.0
8.5
t
PHL
Propagation Delay
3.3
1.5
7.5
10.5
1.5
1
1.5
ns
3−6
S to Z
n
5.0
1.5
5.5
7.5
1.0
8.5
t
PZH
Output Enable T
ime
3.3
1.5
6.5
9.5
1.0
10.5
ns
3−7
5.0
1.5
5.0
7.5
1.0
8.5
t
PZL
Output Enable T
ime
3.3
1.5
5.5
9.0
1.0
10.0
ns
3−8
5.0
1.5
5.0
8.5
1.0
9.5
t
PHZ
Output Disable T
ime
3.3
1.5
5.5
10.0
1.0
1
1.0
ns
3−7
5.0
1.5
5.0
9.0
1.0
10.0
t
PLZ
Output Disable T
ime
3.3
1.5
5.5
9.0
1.0
10.0
ns
3−8
5.0
1.5
5.0
8.0
1.0
9.0
*V
oltage Range 3.3 V is 3.3 V
±
0.3 V
.
*V
oltage Range 5.0 V is 5.0 V
±
0.5 V
.
MC74AC257, MC74ACT257
www
.onsemi.com
6
DC CHARACTERISTICS
Symbol
Parameter
V
CC
(V)
74ACT
74ACT
Unit
Conditions
T
A
= +25
°
C
T
A
=
−40
°
C t
o
+85
°
C
Ty
p
Guaranteed Limits
V
IH
Minimum High Level
Input V
oltage
4.5
1.5
2.0
2.0
V
V
OUT
= 0.1 V
5.5
1.5
2.0
2.0
or V
CC
− 0.1 V
V
IL
Maximum Low Level
Input V
oltage
4.5
1.5
0.8
0.8
V
V
OUT
= 0.1 V
5.5
1.5
0.8
0.8
or V
CC
− 0.1 V
V
OH
Minimum High Level
Output V
oltage
4.5
4.49
4.4
4.4
V
I
OUT
= −50
m
A
5.5
5.49
5.4
5.4
*V
IN
= V
IL
or V
IH
4.5
−
3.86
3.76
V
I
OH
−24 mA
5.5
−
4.86
4.76
−24 mA
V
OL
Maximum Low Level
Output V
oltage
4.5
0.001
0.1
0.1
V
I
OUT
= 50
m
A
5.5
0.001
0.1
0.1
*V
IN
= V
IL
or V
IH
4.5
−
0.36
0.44
V
I
OL
24 mA
5.5
−
0.36
0.44
24 mA
I
IN
Maximum Input
Leakage Current
5.5
−
±
0.1
±
1.0
m
A
V
I
= V
CC
, GND
D
I
CCT
Additional Max. I
CC
/Input
5.5
0.6
−
1.5
mA
V
I
= V
CC
− 2.1 V
I
OZ
Maximum
3−State
Current
V
I
(OE) = V
IL
, V
IH
5.5
−
±
0.5
±
5.0
m
A
V
I
= V
CC
, GND
V
O
= V
CC
, GND
I
OLD
†Minimum Dynamic
Output Current
5.5
−
−
75
mA
V
OLD
= 1.65 V Max
I
OHD
5.5
−
−
−75
mA
V
OHD
= 3.85 V Min
I
CC
Maximum Quiescent
Supply Current
5.5
−
8.0
80
m
A
V
IN
= V
CC
or GND
*All outputs loaded; thresholds on input associated with output under test.
†
Maximum test duration 2.0 ms, one output loaded at a time.
P1-P3
P4-P6
P7-P9
MC74AC257DR2G
Mfr. #:
Buy MC74AC257DR2G
Manufacturer:
ON Semiconductor
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 2-6V Quad 2-Input Mux w/3-State Out
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
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