SN54LV221A, SN74LV221A
DUAL MONOSTABLE MULTIVIBRATORS
WITH SCHMITT TRIGGER INPUTS
SCLS450G DECEMBER 1999 REVISED APRIL 2005
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 2-V to 5.5-V VCC Operation
D Max tpd 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
D Ioff 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 ...J OR W PACKAGE
SN74LV221A . . . D, DB, DGV, NS, OR PW PACKAGE
(TOP VIEW)
SN54LV221A . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1A
1B
1CLR
1Q
2Q
2Cext
2Rext/Cext
GND
VCC
1Rext/Cext
1Cext
1Q
2Q
2CLR
2B
2A
32
1 20 19
910 11 1213
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
2R
GND
NC
CC
NC No internal connection
ext
/C
ext
/C
ext
description/ordering information
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SOIC D
Tube of 40
SN74LV221AD
LV221A
SOIC D
Reel of 2500
SN74LV221ADR
LV221A
SOP NS
Reel of 2000
SN74LV221ANSR
74LV221A
40
°C to 85°C
SSOP DB
Reel of 2000
SN74LV221ADBR
LV221A
40
°C to 85°C
Tube of 90
SN74LV221APW
TSSOP PW
Reel of 2000
SN74LV221APWR
LV221A
TSSOP PW
Reel of 250
SN74LV221APWT
LV221A
TVSOP DGV
Reel of 2000
SN74LV221ADGVR
LV221A
CDIP J
Tube of 25
SNJ54LV221AJ
55
°C to 125°C
CFP W
Tube of 150
SNJ54LV221AW
55 C to 125 C
LCCC FK
Tube of 55
SNJ54LV221AFK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
Copyright
2005, Texas Instruments Incorporated
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.