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31402BFA Datasheet

  • 31402BFA

  • DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS

  • 23頁

  • TI

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SN54221, SN54LS221, SN74221, SN74LS221
DUAL MONOSTABLE MULTIVIBRATORS
WITH SCHMITT TRIGGER INPUTS
SDLS213B 鈭?DECEMBER 1983 鈭?REVISED NOVEMBER 2004
D
Dual Versions of Highly Stable SN54121
D
and SN74121 One Shots
SN54221 and SN74221 Demonstrate
Electrical and Switching Characteristics
That Are Virtually Identical to the SN54121
and SN74121 One Shots
Pinout Is Identical to the SN54123,
SN74123, SN54LS123, and SN74LS123
Overriding Clear Terminates Output Pulse
MAXIMUM
OUTPUT
PULSE
LENGTH(S)
21
28
49
70
SN54221, SN54LS221 . . . J PACKAGE
SN74221 . . . N PACKAGE
SN74LS221 . . . D, DB, N, OR NS PACKAGE
(TOP VIEW)
D
D
1A
1B
1CLR
1Q
2Q
2C
ext
2R
ext
/C
ext
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
1R
ext
/C
ext
1C
ext
1Q
2Q
2CLR
2B
2A
TYPE
SN54221
SN74221
SN54LS221
SN74LS221
SN54LS221 . . . FK PACKAGE
(TOP VIEW)
description/ordering information
The 鈥?21 and 鈥橪S221 devices are dual
multivibrators with performance characteristics
virtually identical to those of the 鈥?21 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.
1CLR
1Q
NC
2Q
2C
ext
4
5
6
7
8
3 2 1 20 19
18
17
16
15
14
9 10 11 12 13
1B
1A
NC
V
CC
1R
ext
/C
ext
1C
ext
1Q
NC
2Q
2CLR
NC 鈭?No internal connection
ORDERING INFORMATION
TA
PDIP 鈭?N
0擄C to 70擄C
SOIC 鈭?D
SOP 鈭?NS
SSOP 鈭?DB
CDIP 鈭?J
LCCC 鈭?FK
PACKAGE鈥?/div>
Tube
Tube
Tape and reel
Tape and reel
Tape and reel
Tube
Tube
ORDERABLE
PART NUMBER
SN74221N
SN74LS221N
SN74LS221D
SN74LS221DR
SN74LS221NSR
SN74LS221DBR
SNJ54221J
鈭?5 C 125擄C
鈭?5擄C to 125 C
SNJ54LS221J
SNJ54LS221FK
LS221
74LS221
LS221
SNJ54221J
SNJ54LS221J
SNJ54LS221FK
TOP-SIDE
MARKING
SN74221N
SN74LS221N
鈥?Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MIL PRF 38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
Copyright
錚?/div>
2004, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
2R
ext
/C
ext
GND
NC
2A
2B
1

31402BFA相關(guān)型號PDF文件下載

  • 型號
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  • 英文版
    POTENTIOMETERS INDUCTORS, SMDs SWITCHES, NETWORKS ENCODERS P...
    ETC
  • 英文版
    POTENTIOMETERS INDUCTORS, SMDs SWITCHES, NETWORKS ENCODERS P...
    ETC [ETC]
  • 英文版
    EINBAUSTECKER FRONTMONTAGE 3POL
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    EINBAUSTECKER FRONTMONTAGE 3POL
  • 英文版
    EINBAUSTECKER FRONTMONTAGE 4POL
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  • 英文版
    EINBAUSTECKER FRONTMONTAGE 4POL
  • 英文版
    EINBAUSTECKER FRONTMONTAGE 5POL
    ETC
  • 英文版
    EINBAUSTECKER FRONTMONTAGE 6POL
    ETC
  • 英文版
    EINBAUSTECKER FRONTMONTAGE 7POL
    ETC
  • 英文版
    EINBAUSTECKER FRONTMONTAGE 8POL
    ETC
  • 英文版
    EINBAUSTECKER FRONTMONTAGE 8POL
  • 英文版
    HALL-EFFECT SWITCHES
    ALLEGRO [A...
  • 英文版
    Axial Lead and Cartridge Fuses - Ceramic Body
    LITTELFUSE
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    Axial Lead and Cartridge Fuses - Ceramic Body
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  • 英文版
    Axial Lead and Cartridge Fuses - Ceramic Body
    LITTELFUSE
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    Axial Lead and Cartridge Fuses - Ceramic Body
    LITTELFUSE ...
  • 英文版
    Axial Lead and Cartridge Fuses - Ceramic Body
    LITTELFUSE
  • 英文版
    Axial Lead and Cartridge Fuses - Ceramic Body
    LITTELFUSE ...
  • 英文版
    Axial Lead and Cartridge Fuses - Ceramic Body
    LITTELFUSE
  • 英文版
    Axial Lead and Cartridge Fuses - Ceramic Body
    LITTELFUSE ...

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