NXP Semiconductors
74HC123; 74HCT123
Dual retriggerable monostable multivibrator with reset
Table 6.
Static characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
C
I
input
capacitance
HIGH-level
input voltage
LOW-level
input voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
Conditions
Min
-
25
°C
Typ
3.5
Max
-
−40 °C
to +85
°C −40 °C
to +125
°C
Unit
Min
-
Max
-
Min
-
Max
-
pF
74HCT123
V
IH
V
IL
V
OH
2.0
-
1.6
1.2
-
0.8
2.0
-
-
0.8
2.0
-
-
0.8
V
V
HIGH-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
=
−20 µA
I
O
=
−4
mA
LOW-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
= 20
µA
I
O
= 4.0 mA
input leakage
current
V
I
= V
CC
or GND; V
CC
= 5.5 V
4.4
3.98
-
-
-
-
4.5
4.32
0
0.15
-
-
-
-
0.1
0.26
±0.1
8.0
4.4
3.84
-
-
-
-
-
-
0.1
0.33
±1.0
80
4.4
3.7
-
-
-
-
-
-
0.1
0.4
±1.0
160
V
V
V
V
µA
µA
V
OL
I
I
I
CC
∆I
CC
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
additional
per input pin; I
O
= 0 A;
supply current V
I
= V
CC
−
2.1 V;
other inputs at V
CC
or GND;
V
CC
= 4.5 V to 5.5 V
pins nA, nB
pin nRD
-
-
-
35
50
3.5
125
180
-
-
-
-
160
225
-
-
-
-
170
245
-
µA
µA
pF
C
I
input
capacitance
74HC_HCT123_5
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 13 July 2009
7 of 24
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