74AHC123 Philips Semiconductors, 74AHC123 Datasheet - Page 12

• Manufacturer Part Number: 74AHC123
• Description: Dual retriggerable monostable multivibrator with reset
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
Type 74AHC123A
GND = 0 V; t
2000 Mar 15
V
t
t
SYMBOL
PHL
W
CC
Dual retriggerable monostable multivibrator
with reset
/t
= 3.0 to 3.6 V; note 1
PLH
r
propagation delay;
nA, nB to nQ, nQ
propagation delay;
nR
propagation delay;
nR
(reset)
propagation delay;
nA, nB to nQ , nQ
propagation delay;
nR
propagation delay;
nR
(reset)
trigger pulse
width; nA = LOW
trigger pulse
width; nB = HIGH
reset pulse width;
nR
output pulse
width; nQ = HIGH;
nQ = LOW
= t
PARAMETER
D
D
D
D
D
f
to nQ, nQ
to nQ, nQ
to nQ, nQ
to nQ, nQ
= LOW
3.0 ns.
C
R
see Figs 7 and 11
C
R
see Figs 7 and 11
C
R
see Figs 7 and 11
C
R
see Figs 7 and 11
C
R
see Figs 7 and 11
C
R
see Figs 7 and 11
see Fig 8
see Fig 8
see Fig 9
C
R
note 3; see Figs 8,
9 and 10
C
R
note 3; see Figs 8,
9 and 10
C
R
note 3; see Figs 8,
9 and 10
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WAVEFORMS
TEST CONDITIONS
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 0 pF;
= 5 k ;
= 28 pF;
= 2 k ;
= 0.01 F;
= 10 k ;
= 0.1 F;
= 10 k ;
15 pF
50 pF
C
12
L
5.0
5.0
5.0
90
0.9
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
7.4
8.2
6.4
10.5
11.7
9.2
115
100
1
25
20.6
22.4
15.8
24.1
25.9
19.3
240
110
1.1
T
amb
1.0
1.0
1.0
1.0
1.0
1.0
5.0
5.0
5.0
90
0.9
40 to +85
( C)
24.0
26.0
18.5
27.5
29.5
22.0
300
110
1.1
74AHCT123A
74AHC123A;
Product specification
1.0
1.0
1.0
1.0
1.0
1.0
5.0
5.0
5.0
85
0.85
40 to +125
26.0
26.0
20.0
30.0
32.0
24.5
300
115
1.15
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
UNIT
s