參數(shù)資料
型號(hào): HD74LV123A
廠商: Hitachi,Ltd.
英文描述: Dual Retriggerable Monostable Multivibrators
中文描述: 雙Retriggerable單穩(wěn)態(tài)多頻振蕩器
文件頁(yè)數(shù): 9/20頁(yè)
文件大小: 91K
代理商: HD74LV123A
HD74LV123A
9
Switching Characteristics (cont)
V
CC
= 5.0
±
0.5 V
Ta = 25
°
C
Ta = –40 to 85
°
C
Item
Symbol
Min
Typ
Max
Min
Max
Unit
Test Conditions
FROM
(Input)
TO
(Output)
Propa-
gation
delay time
t
PLH
t
PHL
7.3
12.0
1.0
14.0
ns
C
L
= 15 pF
A or B
Q or
Q
8.5
14.0
1.0
16.0
C
L
= 50 pF
5.9
9.4
1.0
11.0
C
L
= 15 pF
CLR
Q or
Q
7.5
11.4
1.0
13.0
C
L
= 50 pF
7.3
12.9
1.0
15.0
C
L
= 15 pF
CLR
Q or
Q
8.7
14.9
1.0
17.0
C
L
= 50 pF
(Trigger)
Output
pulse
width
t
wQ
140
200
240
ns
C
L
= 50 pF,
Cext = 28 pF, Rext = 2 k
90
100
110
90
110
μ
s
C
L
= 50 pF,
Cext = 0.01
μ
F, Rext = 10 k
0.9
1.0
1.1
0.9
1.1
ms
C
L
= 50 pF,
Cext = 0.1
μ
F, Rext = 10 k
t
wQ
±
1
%
C
L
= 50 pF
Pulse
width
t
w
5.0
5.0
ns
A
, B or
CLR
Retrigger
time
t
rr
20
ns
A
, or B
(Rext = 1 k
, Cext = 100 pF)
0.95
μ
s
A
, or B
(Rext = 1 k
, Cext = 0.01
μ
F)
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