74AHC123A 查看數據表（PDF） - Philips Electronics
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74AHC123A Datasheet PDF : 24 Pages
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Philips Semiconductors
Dual retriggerable monostable multivibrator
with reset
Product specification
74AHC123A;
74AHCT123A
Family 74AHCT
Over recommended operating conditions; voltage are referenced to GND (ground = 0 V).
TEST CONDITIONS
Tamb (°C)
SYMBOL PARAMETER
OTHER
25
−40 to +85 −40 to +125 UNIT
VCC (V)
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VIH
HIGH-level input
voltage
4.5 to 5.5 2.0 −
−
2.0 −
2.0 −
V
VIL
LOW-level input
voltage
4.5 to 5.5 −
−
0.8 −
0.8 −
0.8 V
VOH
HIGH-level output VI = VIH or VIL; 4.5
voltage
IO = −50 µA
VI = VIH or VIL; 4.5
IO = −8.0 mA
VOL
LOW-level output VI = VIH or VIL; 4.5
voltage
IO = 50 µA
VI = VIH or VIL; 4.5
IO = 8.0 mA
II
input leakage
VI = VCC
5.5
current;
or GND; note 1
REXT/CEXT
input leakage
VI = VCC
5.5
current;
or GND
nA, nB, nRD
ICC
quiescent supply VI = VCC
5.5
current
or GND; IO = 0
quiescent supply VI = VCC
4.5
current active
or GND; note 1 5.5
state (per circuit)
4.4 4.5 −
4.4 −
4.4 −
V
3.94 −
−
3.8 −
3.70 −
V
−
0
0.1 −
0.1 −
0.1 V
−
−
0.36 −
0.44 −
0.55 V
−
−
±0.25 −
±2.5 −
±10.0 µA
−
−
±0.1 −
±1.0 −
±2.0 µA
−
−
4.0 −
40 −
80 µA
−
380 500 −
650 −
650 µA
−
560 750 −
975 −
975 µA
CI
input capacitance
−
−
3
10 −
10 −
10 pF
Note
1. Voltage on pin nREXT/CEXT = 0.5 × VCC and pin REXT/CEXT in OFF-state during test.
2000 Mar 15
11
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