mm74c221 Fairchild Semiconductor, mm74c221 Datasheet

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mm74c221

Manufacturer Part Number
mm74c221
Description
Dual Monostable Multivibrator
Manufacturer
Fairchild Semiconductor
Datasheet

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© 1999 Fairchild Semiconductor Corporation
74MMC221N
MM74C221
Dual Monostable Multivibrator
General Description
The MM74C221 dual monostable multivibrator is a mono-
lithic complementary MOS integrated circuit. Each multivi-
brator features a negative-transition-triggered input and a
positive-transition-triggered input, either of which can be
used as an inhibit input, and a clear input.
Once fired, the output pulses are independent of further
transitions of the A and B inputs and are a function of the
external timing components C
width is stable over a wide range of temperature and V
Ordering Code:
Connection Diagrams
Order Number
Pin Assignments for DIP
Package Number
Timing Component
Top View
N16E
EXT
and R
16-Lead Plastic Dual-in-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
EXT
DS005904.prf
. The pulse
CC
.
Pulse stability will be limited by the accuracy of external
timing components. The pulse width is approximately
defined by the relationship t
ther information and applications, see AN-138.
Features
Truth Table
H
L
Wide supply voltage range:
Guaranteed noise margin: 1.0V
High noise immunity: 0.45 V
Low power TTL compatibility: fan out of 2 driving 74L
LOW Level
Transition from LOW-to-HIGH
Transition from HIGH-to-LOW
HIGH Level
Package Description
Clear
H
L
X
X
H
Inputs
One LOW level pulse
One HIGH level pulse
A
X
X
L
H
W(OUT)
X Irrelevant
November 1987
Revised January 1999
CC
B
X
H
4.5V to 15V
L
X
(typ.)
C
EXT
www.fairchildsemi.com
Q
L
L
L
Outputs
R
EXT
. For fur-
H
H
H
Q

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mm74c221 Summary of contents

Page 1

... MM74C221 Dual Monostable Multivibrator General Description The MM74C221 dual monostable multivibrator is a mono- lithic complementary MOS integrated circuit. Each multivi- brator features a negative-transition-triggered input and a positive-transition-triggered input, either of which can be used as an inhibit input, and a clear input. Once fired, the output pulses are independent of further ...

Page 2

Absolute Maximum Ratings Voltage at Any Pin 0. Operating Temperature Range Storage Temperature Range Power Dissipation Dual-In-Line Small Outline Operating V Range CC DC Electrical Characteristics Max/min limits apply across temperature range, unless otherwise noted Symbol Parameter CMOS ...

Page 3

AC Electrical Characteristics pF, unless otherwise noted A L Symbol Parameter t Propagation Delay from Trigger Input ( Output Propagation Delay from Clear pd CL Input (CL) ...

Page 4

Typical Performance Characteristics 0% Point pulse width 5V 10V 15V,T 9 Percentage of units within 4 5V,90% of units CC ...

Page 5

Typical Performance Characteristics Switching Time Waveforms (Continued) 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL ...

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