Datasheet
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Recommended Operating Conditions
(1)
Electrical Characteristics
SN74AHC123A-EP
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
SCLS703A – JULY 2006 – REVISED MARCH 2007
MIN MAX UNIT
V
CC
Supply voltage 2 5.5 V
V
CC
= 2 V 1.5
V
IH
High-level input voltage V
CC
= 3 V 2.1 V
V
CC
= 5.5 V 3.85
V
CC
= 2 V 0.5
V
IL
Low-level input voltage V
CC
= 3 V 0.9 V
V
CC
= 5.5 V 1.65
V
I
Input voltage 0 5.5 V
V
O
Output voltage 0 V
CC
V
V
CC
= 2 V –50 µ A
I
OH
High-level output current V
CC
= 3.3 V ± 0.3 V –4
mA
V
CC
= 5 V ± 0.5 V –8
V
CC
= 2 V 50 µ A
I
OL
Low-level output current V
CC
= 3.3 V ± 0.3 V 4
mA
V
CC
= 5 V ± 0.5 V 8
V
CC
= 2 V 5
R
ext
External timing resistance k Ω
V
CC
> 3 V 1
∆ t/ ∆ V
CC
Power-up ramp rate 1 ms/V
T
A
Operating free-air temperature –55 125 ° C
(1) Unused R
ext
/C
ext
terminals should be left unconnected. All remaining unused inputs of the device must be held at V
CC
or GND to ensure
proper device operation. See the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
over operating free-air temperature range (unless otherwise noted)
T
A
= 25 ° C
PARAMETER TEST CONDITIONS V
CC
MIN MAX UNIT
MIN TYP MAX
2 V 1.9 2 1.9
I
OH
= –50 µ A 3 V 2.9 3 2.9
V
OH
4.5 V 4.4 4.5 4.4 V
I
OH
= –4 mA 3 V 2.58 2.48
I
OH
= –8 mA 4.5 V 3.94 3.8
2 V 0.1 0.1
I
OL
= 50 µ A 3 V 0.1 0.1
V
OL
4.5 V 0.1 0.1 V
I
OL
= 4 mA 3 V 0.36 0.44
I
OL
= 8 mA 4.5 V 0.36 0.44
R
ext
/C
ext
(1)
V
I
= V
CC
or GND 5.5 V ± 0.25 ± 2.5
I
I
µ A
A, B, and CLR V
I
= V
CC
or GND 0 V to 5.5 V ± 0.1 ± 1
(2)
V
I
= V
CC
or GND, I
O
=
I
CC
Quiescent 5.5 V 4 40 µ A
0
3 V 160 250 280
Active state V
I
= V
CC
or GND,
I
CC
4.5 V 280 500 650 µ A
(per circuit) R
ext
/C
ext
= 0.5 V
CC
5.5 V 360 750 975
C
i
V
I
= V
CC
or GND 5 V 1.9 10 10 pF
(1) This test is performed with the terminal in the off-state condition.
(2) On products compliant to MIL-PRF-38535, this parameter is not production tested at V
CC
= 0 V.
4
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