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DM74ALS251M
P1-P3
P4-P6
P7-P7
www
.fairchild
semi.com
4
DM74ALS251
Switching Characteri
stics
over recommend
ed operating free air
temperature range
Symb
ol
Para
meter
Condition
s
F
rom
T
o Min
Max
Units
t
PLH
Propagation Del
ay Time
V
CC
=
4.5V to 5.5V
Select
5
18
ns
LOW-to-HIGH Le
vel Output
C
L
=
50 pF
Y
t
PHL
Propagation Del
ay Time
R
L
=
500
Ω
Select
8
24
ns
HIGH-to-LOW Level Outp
ut
t
PLH
Propagation Del
ay Time
Select
8
24
ns
LOW-to-HIGH Le
vel Output
W
t
PHL
Propagation Del
ay Time
Select
7
23
ns
HIGH-to-LOW Level Outp
ut
t
PLH
Propagation Del
ay Time
Data
2
10
ns
LOW-to-HIGH Le
vel Output
Y
t
PHL
Propagation Del
ay Time
Data
3
15
ns
HIGH-to-LOW Level Outp
ut
t
PLH
Propagation Del
ay Time
Data
3
15
ns
LOW-to-HIGH Le
vel Output
W
t
PHL
Propagation Del
ay Time
Data
3
15
ns
HIGH-to-LOW Level Outp
ut
t
PZH
Output Enable
Time
Output Co
ntrol
3
15
ns
to HIGH Level
Y
t
PZL
Output Enable
Time
Output Co
ntrol
3
15
ns
to LOW Level
t
PZH
Output Enable
Time
Output Co
ntrol
3
15
ns
to HIGH Level
W
t
PZL
Output Enable
Time
Output Co
ntrol
3
15
ns
to LOW Level
t
PHZ
Output Disable T
ime
Output Co
ntrol
2
10
ns
from HIGH Level
Y
t
PLZ
Output Disable T
ime
Output Co
ntrol
1
10
ns
from
LO
W Lev
el
t
PHZ
Output Disable T
ime
Output Co
ntrol
2
10
ns
from HIGH Level
W
t
PLZ
Output Disable T
ime
Output Co
ntrol
1
10
ns
from
LO
W Lev
el
5
www
.
fairchildsemi.com
DM74ALS251
Physical Di
mensions
inches (millimeters) unless otherwise noted
16-Lead
Small
Outline I
ntegra
ted Circu
it (SOI
C), JED
EC MS-0
12, 0.150
Narrow
Packag
e Numbe
r M16A
www
.fairchild
semi.com
6
DM74ALS251
Physical Dimensions
inches (millimeters) unless otherwise n
oted (Continued)
16-Lead Sma
ll Outline Pac
kage (SOP), EI
AJ TYPE II, 5.3mm
Wide
Packa
ge Nu
mber M
16D
P1-P3
P4-P6
P7-P7
DM74ALS251M
Mfr. #:
Buy DM74ALS251M
Manufacturer:
ON Semiconductor / Fairchild
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 3-STATE Data Sel/Mul
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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Ups
TNT
EMS
Payment:
T/T
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