74AHC123 Philips Semiconductors, 74AHC123 Datasheet - Page 15

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

Philips Semiconductors
Type 74AHCT123A
GND = 0 V; t
2000 Mar 15
SYMBOL
V
t
t
PHL
W
CC
Dual retriggerable monostable multivibrator
with reset
/t
= 4.5 to 5.5 V; note 1
PLH
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
r
= 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
Figs 7 and 11
C
R
Figs 7 and 11
C
R
Figs 7 and 11
C
R
Figs 7 and 11
C
R
Figs 7 and 11
C
R
Figs 7 and 11
see Fig 8
see Fig 8
see Fig 9
C
R
see Figs 8, 9 and 10
C
R
note 2; see
Figs 8, 9 and 10
C
R
note 2; see
Figs 8, 9 and 10
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
WAVEFORMS
TEST CONDITIONS
= 0 pF;
= 5 k ; see
= 0 pF;
= 5 k ; see
= 0 pF;
= 5 k ; see
= 0 pF;
= 5 k ; see
= 0 pF;
= 5 k ; see
= 0 pF;
= 5 k ; see
= 28 pF;
= 2 k ; note 2;
= 0.01 F;
= 10 k ;
= 0.1 F;
= 10 k ;
15 pF
50 pF
50 pF 5.0
C
15
L
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
5.0
5.0
90
0.9
5.0
5.2
4.7
7.1
7.5
6.7
100
100
1
25
12
12.9
9.4
14
14.9
11.4
200
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)
14
15.0
11
16
17.0
13
240
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
15.5
16.5
12.0
17.5
18.5
14.5
240
115
1.15
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
s