74HCT157PW 查看數據表（PDF） - Philips Electronics
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74HCT157PW Datasheet PDF : 7 Pages
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Philips Semiconductors
Quad 2-input multiplexer
Product specification
74HC/HCT157
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
SYMBOL PARAMETER
74HC
+25
−40 to +85
tPHL/ tPLH
tPHL/ tPLH
propagation delay
nI0 to nY;
nI1 to nY
propagation delay
E to nY
tPHL/ tPLH propagation delay
S to nY
tTHL/ tTLH output transition
time
min. typ. max.
36 125
13 25
10 21
39 115
14 23
11 20
41 125
15 25
12 21
19 75
7 15
6 13
min. max.
155
31
26
145
29
25
155
31
26
95
19
16
TEST CONDITIONS
−40 to +125
min. max.
190
38
32
175
35
30
190
38
32
110
22
19
UNIT
ns
ns
ns
ns
VCC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
WAVEFORMS
Fig.7
Fig.6
Fig.7
Fig.6 and Fig.7
December 1990
5
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