參數(shù)資料
型號(hào): 74HC137
廠商: NXP Semiconductors N.V.
英文描述: 3-to-8 line decoder/demultiplexer with address latches; inverting
中文描述: 3至8線路解碼器/多路解復(fù)用器的地址鎖存器;反相
文件頁(yè)數(shù): 9/19頁(yè)
文件大?。?/td> 107K
代理商: 74HC137
9397 750 13804
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 11 November 2004
9 of 19
Philips Semiconductors
74HC137
3-to-8 line decoder, demultiplexer with address latches; inverting
11. Dynamic characteristics
Table 8:
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
Symbol
Parameter
T
amb
= 25
°
C
t
PHL
, t
PLH
propagation delay An to Yn
Dynamic characteristics
Conditions
Min
Typ
Max
Unit
see
Figure 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
CC
= 5.0 V; C
L
= 15 pF
see
Figure 7
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
CC
= 5.0 V; C
L
= 15 pF
see
Figure 7
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
CC
= 5.0 V; C
L
= 15 pF
see
Figure 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
CC
= 5.0 V; C
L
= 15 pF
see
Figure 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 8
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 8
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 8
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
I
= GND to V
CC
-
-
-
-
58
21
17
18
180
36
31
-
ns
ns
ns
ns
propagation delay LE to Yn
-
-
-
-
55
20
16
17
190
38
32
-
ns
ns
ns
ns
propagation delay E1 to Yn
-
-
-
-
50
18
14
15
145
29
25
-
ns
ns
ns
ns
propagation delay E2 to Yn
-
-
-
-
50
18
14
15
145
29
25
-
ns
ns
ns
ns
t
THL
, t
TLH
output transition time
-
-
-
19
7
6
75
15
13
ns
ns
ns
t
W
LE pulse width HIGH
50
10
9
11
4
3
-
-
-
ns
ns
ns
t
su
set-up time An to LE
50
10
9
3
1
1
-
-
-
ns
ns
ns
t
h
hold time An to LE
30
6
5
3
1
1
57
-
-
-
-
ns
ns
ns
pF
C
PD
power dissipation capacitance
[1]
-
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