Datasheet

www.ti.com
Switching Characteristics
Operating Characteristics
SN74AHC123A-EP
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
SCLS703A – JULY 2006 – REVISED MARCH 2007
over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1 )
T
A
= 25 ° C
FROM TO
PARAMETER TEST CONDITIONS MIN MAX UNIT
(INPUT) (OUTPUT)
MIN TYP MAX
t
PLH
6.5
(1)
12
(1)
1
(1)
14
(1)
A or B Q or Q C
L
= 15 pF ns
t
PHL
7.1
(1)
12
(1)
1
(1)
14
(1)
t
PLH
5.3
(1)
9.4
(1)
1
(1)
11
(1)
CLR Q or Q C
L
= 15 pF ns
t
PHL
6.5
(1)
9.4
(1)
1
(1)
11
(1)
t
PLH
6.9
(1)
12.9
(1)
1
(1)
15
(1)
CLR trigger Q or Q C
L
= 15 pF ns
t
PHL
7.4
(1)
12.9
(1)
1
(1)
15
(1)
t
PLH
7.3 14 1 16
A or B Q or Q C
L
= 50 pF ns
t
PHL
8.3 14 1 16
t
PLH
6.3 11.4 1 13
CLR Q or Q C
L
= 50 pF ns
t
PHL
7.4 11.4 1 13
t
PLH
7.6 14.9 1 17
CLR trigger Q or Q C
L
= 50 pF ns
t
PHL
8.7 14.9 1 17
C
L
= 50 pF,
C
ext
= 28 µ F, 167 200 240 ns
R
ext
= 2 k Ω
C
L
= 50 pF,
t
w
(2)
Q or Q C
ext
= 0.01 µ F, 90 100 110 90 110 µ s
R
ext
= 10 k Ω
C
L
= 50 pF,
C
ext
= 0.1 µ F, 0.9 1 1.1 0.9 1.1 ms
R
ext
= 10 k Ω
∆ t
w
(3)
± 1%
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.
(2) t
w
= Pulse duration at Q and Q outputs
(3) ∆ t
w
= Output pulse-duration variation (Q and Q) between circuits in same package
V
CC
= 5 V, T
A
= 25 ° C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load 29 pF
6
Submit Documentation Feedback