参数资料
型号: 74AHC123
厂商: NXP Semiconductors N.V.
英文描述: Dual retriggerable monostable multivibrator with reset
中文描述: 双retriggerable单稳态触发器的复位
文件页数: 13/24页
文件大小: 111K
代理商: 74AHC123
2000 Mar 15
13
Philips Semiconductors
Product specification
Dual retriggerable monostable multivibrator
with reset
74AHC123A;
74AHCT123A
V
CC
= 3.0 to 3.6 V;
note 1
t
rt
retrigger time;
nA to nB
C
EXT
= 100 pF;
R
EXT
= 1 k
; see
Figs 8, 9 and 10
C
EXT
= 0.01
μ
F;
R
EXT
= 1 k
; see
Figs 8, 9 and 10
50 pF
60
ns
1.5
μ
s
V
CC
= 4.5 to 5.5 V;
note 2
t
PHL
/t
PLH
propagationdelay;
nA, nB to nQ, nQ
C
EXT
= 0 pF;
R
EXT
= 5 k
;
see Figs 7 and 11
C
EXT
= 0 pF;
R
EXT
= 5 k
;
see Figs 7 and 11
C
EXT
= 0 pF;
R
EXT
= 5 k
;
see Figs 7 and 11
C
EXT
= 0 pF;
R
EXT
= 5 k
;
see Figs 7 and 11
C
EXT
= 0 pF;
R
EXT
= 5 k
;
see Figs 7 and 11
C
EXT
= 0 pF;
R
EXT
= 5 k
;
see Figs 7 and 11
15 pF
5.1
12
1.0
14.0
1.0
15.5
ns
propagationdelay;
nR
D
to nQ, nQ
5.6
12.9
1.0
15.0
1.0
16.5
ns
propagationdelay;
nR
D
to nQ, nQ
(reset)
propagationdelay;
nA, nB to nQ, nQ
4.4
9.4
1.0
11.0
1.0
12.0
ns
50 pF
7.3
14
1.0
16.0
1.0
17.5
ns
propagationdelay;
nR
D
to nQ, nQ
8.1
14.9
1.0
17.0
1.0
19.0
ns
propagationdelay;
nR
D
to nQ, nQ
(reset)
6.3
11.4
1.0
13.0
1.0
14.5
ns
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
(
°
C)
UNIT
WAVEFORMS
C
L
25
40 to +85
40 to +125
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
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