Texas Instruments SN74221N Manual


Læs nedenfor 📖 manual på dansk for Texas Instruments SN74221N (31 sider) i kategorien Ikke kategoriseret. Denne guide var nyttig for 4 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

Side 1/31
   
  
  
SDLS213B − DECEMBER 1983 − REVISED NOVEMBER 2004
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
DDual Versions of Highly Stable SN54121
and SN74121 One Shots
DSN54221 and SN74221 Demonstrate
Electrical and Switching Characteristics
That Are Virtually Identical to the SN54121
and SN74121 One Shots
DPinout Is Identical to the SN54123,
SN74123, SN54LS123, and SN74LS123
DOverriding Clear Terminates Output Pulse
TYPE
MAXIMUM
OUTPUT
PULSE
LENGTH(S)
SN54221 21
SN74221 28
SN54LS221 49
SN74LS221 70
description/ordering information
The ’221 and ’LS221 devices are dual
multivibrators with performance characteristics
virtually identical to those of the ’121 devices.
Each multivibrator features a negative-transition-
triggered input and a positive-transition-triggered
input, either of which can be used as an inhibit
input.
ORDERING INFORMATION
TAPACKAGEORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP N
T b
SN74221N SN74221N
PDIP − N Tube SN74LS221N SN74LS221N
0 C°C t 70°
SOIC D
Tube SN74LS221D
LS221
0 C°C to 70°SOIC − D Tape and reel SN74LS221DR LS221
SOP − NS Tape and reel SN74LS221NSR 74LS221
SSOP − DB Tape and reel SN74LS221DBR LS221
CDIP J
Tube
SNJ54221J SNJ54221J
−55° °C to 125 C CDIP − J Tube SNJ54LS221J SNJ54LS221J
55 CC to 125
LCCC − FK Tube SNJ54LS221FK SNJ54LS221FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright 2004, Texas Instruments Incorporated
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3 2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
1Cext
1Q
NC
2Q
2CLR
1CLR
1Q
NC
2Q
2Cext
1B
1A
NC
2A
2B
V
1R
ext
GND
NC
1A
1B
1CLR
1Q
2Q
2Cext
2Rext
/Cext
GND
VCC
1Rext/Cext
1Cext
1Q
2Q
2CLR
2B
2A
SN54221, SN54LS221 . . . J PACKAGE
SN74221 . . . N PACKAGE
SN74LS221 . . . D, DB, N, OR NS PACKAGE
(TOP VIEW)
SN54LS221 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CC
ext/Cext
2R /Cext
NC − No internal connection
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.


Produkt Specifikationer

Mærke: Texas Instruments
Kategori: Ikke kategoriseret
Model: SN74221N

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