SN74LV221A Datasheet, PDF (1/19 Pages) Texas Instruments – DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS

D 2-V to 5.5-V V_CC Operation
D Max t_pd of 11 ns at 5 V
D Support Mixed-Mode Voltage Operation on
All Ports
D Schmitt-Trigger Circuitry on A, B, and CLR
Inputs for Slow Input Transition Rates
D Overriding Clear Terminates Output Pulse
D Glitch-Free Power-Up Reset on Outputs
SN54LV221A . . . J OR W PACKAGE
SN74LV221A . . . D, DB, DGV, NS, OR PW PACKAGE
(TOP VIEW)
1A ₁
1B 2
1CLR 3
1Q 4
2Q 5
2C_ext 6
2R_ext/C_ext 7
GND 8
16 ^V_CC
15 1R_ext/C_ext
14 1C_ext
13 1Q
12 2Q
11 2CLR
10 2B
9 2A
SN54LV221A, SN74LV221A
DUAL MONOSTABLE MULTIVIBRATORS
WITH SCHMITTĆTRIGGER INPUTS
SCLS450G − DECEMBER 1999 − REVISED APRIL 2005
D I_off Supports Partial-Power-Down Mode
Operation
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
− 1000-V Charged-Device Model (C101)
SN54LV221A . . . FK PACKAGE
(TOP VIEW)
1CLR
1Q
NC
2Q
2C_ext
3 2 1 20 19
4
18
5
17
6
16
7
15
8
14
9 10 11 12 13
1C_ext
1Q
NC
2Q
2CLR
description/ordering information
NC − No internal connection
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SOIC − D
Tube of 40
Reel of 2500
SN74LV221AD
SN74LV221ADR
LV221A
SOP − NS
Reel of 2000 SN74LV221ANSR 74LV221A
−40°C to 85°C
SSOP − DB
Reel of 2000
Tube of 90
SN74LV221ADBR
SN74LV221APW
LV221A
TSSOP − PW
Reel of 2000
Reel of 250
SN74LV221APWR
SN74LV221APWT
LV221A
TVSOP − DGV Reel of 2000 SN74LV221ADGVR LV221A
CDIP − J
Tube of 25
SNJ54LV221AJ
SNJ54LV221AJ
−55°C to 125°C CFP − W
Tube of 150
SNJ54LV221AW
SNJ54LV221AW
LCCC − FK
Tube of 55
SNJ54LV221AFK
SNJ54LV221AFK
† _{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.
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
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Copyright  2005, Texas Instruments Incorporated
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