74hct221 NXP Semiconductors, 74hct221 Datasheet - Page 10

• Manufacturer Part Number: 74hct221
• Description: Dual Non-retriggerable Monostable Multivibrator With Reset
• Manufacturer: NXP Semiconductors

Philips Semiconductors
December 1990
SYMBOL
t
t
R
C
W
rem
Dual non-retriggerable monostable
multivibrator with reset
EXT
EXT
PARAMETER
trigger pulse width
removal time
external timing resistor
external timing capacitor
nQ or nQ
nR
D
to nA or nB
20
2
no limits
min typ max min
7
12
25
1000
10
T
25
74HCT
amb
40 to 85
( C)
max.
30
min.
40 to 125
max.
ns
k
pF
UNIT
s
74HC/HCT221
4.5
4.5
5.0
5.0
V
(V)
TEST CONDITIONS
CC
Product specification
C
R
Fig.10
Fig.13
Fig.9
Fig.13
WAVEFORMS
EXT
EXT
= 1 nF;
= 10 k ;