74hct221 NXP Semiconductors, 74hct221 Datasheet - Page 11

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

Philips Semiconductors
AC WAVEFORMS
December 1990
Dual non-retriggerable monostable
multivibrator with reset
Fig.8
(1) HC
Fig.9
HCT : V
Fig.7 Output pulse control; nR
Output pulse control using reset input nR
nA = LOW.
Waveforms showing the removal times;
nR
: V
M
M
D
= V
= V
to nA or nB.
M
M
= 1.3 V; V
= 50%; V
I
I
= GND to V
= GND to 3 V.
CC
.
D
= HIGH.
D
;
11
(1) HC
Fig.10 Waveforms showing the triggering of One
(1) HC
Fig.11 Waveforms showing the reset to nQ and nQ
HCT : V
HCT : V
Shot by input nA or input nB for one period
(t
inputs nA and nB.
output propagation delays.
: V
: V
W
M
M
M
M
) and minimum pulse widths of the trigger
= V
= V
= V
= V
M
M
M
M
= 1.3 V; V
= 1.3 V; V
= 50%; V
= 50%; V
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
74HC/HCT221
CC
CC
Product specification
.
.