74AHC123 Philips Semiconductors, 74AHC123 Datasheet - Page 14

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

Philips Semiconductors
Notes
1. Typical values are measured at V
2. Typical values are measured at V
3. For C
2000 Mar 15
V
t
t
SYMBOL
W
rt
CC
Dual retriggerable monostable multivibrator
with reset
= 4.5 to 5.5 V; note 2
EXT
trigger pulse
width; nA = LOW
trigger pulse
width; nB = HIGH
reset pulse width;
nR
output pulse
width; nQ = HIGH;
nQ = LOW
retrigger time;
nA to nB
PARAMETER
10 nF the typical value of the pulse width t
D
= LOW
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
C
R
Figs 8, 9 and 10
C
R
Figs 8, 9 and 10
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
WAVEFORMS
TEST CONDITIONS
CC
CC
= 28 pF;
= 2 k ;
= 0.01 F;
= 10 k ;
= 0.1 F;
= 10 k ;
= 100 pF;
= 1 k ; see
= 0.01 F;
= 1 k ; see
= 3.3 V and T
= 5.0 V and T
amb
amb
50 pF 5.0
C
W
14
= 25 C.
= 25 C.
L
( s) = R
5.0
5.0
90
0.9
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
EXT
100
100
1
39
1.2
25
(k )
200
110
1.1
C
EXT
T
amb
5.0
5.0
5.0
90
0.9
(nF).
40 to +85
( C)
240
110
1.1
74AHCT123A
74AHC123A;
Product specification
5.0
5.0
5.0
85
0.85
40 to +125
240
115
1.15
ns
ns
ns
ns
ms
ns
UNIT
s
s