参数资料
型号: 74AHCT123A
厂商: NXP Semiconductors N.V.
英文描述: Dual retriggerable monostable multivibrator with reset(带复位的双路可再触发单稳态多谐振荡器)
中文描述: 双retriggerable单稳态触发器的复位(带复位的双路可再触发单稳态多谐振荡器)
文件页数: 11/24页
文件大小: 111K
代理商: 74AHCT123A
2000 Mar 15
11
Philips Semiconductors
Product specification
Dual retriggerable monostable multivibrator
with reset
74AHC123A;
74AHCT123A
Family 74AHCT
Over recommended operating conditions; voltage are referenced to GND (ground = 0 V).
Note
1.
Voltage on pin nR
EXT
/C
EXT
= 0.5
×
V
CC
and pin R
EXT
/C
EXT
in OFF-state during test.
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
(
°
C)
UNIT
OTHER
V
CC
(V)
25
40 to +85
40 to +125
MIN.
TYP.
MAX.
MIN.
MAX.
MIN.
MAX.
V
IH
HIGH-level input
voltage
LOW-level input
voltage
HIGH-leveloutput
voltage
4.5 to 5.5 2.0
2.0
2.0
V
V
IL
4.5 to 5.5
0.8
0.8
0.8
V
V
OH
V
I
= V
IH
or V
IL
;
I
O
=
50
μ
A
V
I
= V
IH
or V
IL
;
I
O
=
8.0 mA
V
I
= V
IH
or V
IL
;
I
O
= 50
μ
A
V
I
= V
IH
or V
IL
;
I
O
= 8.0 mA
V
I
= V
CC
or GND; note 1
4.5
4.4
4.5
4.4
4.4
V
4.5
3.94
3.8
3.70
V
V
OL
LOW-level output
voltage
4.5
0
0.1
0.1
0.1
V
4.5
0.36
0.44
0.55
V
I
I
input leakage
current;
R
EXT
/C
EXT
input leakage
current;
nA, nB, nR
D
quiescent supply
current
quiescent supply
current active
state (per circuit)
input capacitance
5.5
±
0.25
±
2.5
±
10.0
μ
A
V
I
= V
CC
or GND
5.5
±
0.1
±
1.0
±
2.0
μ
A
I
CC
V
I
= V
CC
or GND; I
O
= 0
V
I
= V
CC
or GND; note 1
5.5
4.0
40
80
μ
A
4.5
5.5
380
560
500
750
650
975
650
975
μ
A
μ
A
C
I
3
10
10
10
pF
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