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ꢌꢈ ꢄ ꢍ ꢎꢁ ꢎꢀ ꢏꢈꢐꢄ ꢑ ꢍ ꢌꢄꢏ ꢒꢅ ꢒ ꢐꢓ ꢈꢏꢎ ꢓꢀ
ꢔ ꢒꢏ ꢕ ꢀꢖꢕ ꢍꢒ ꢏꢏꢗꢏ ꢓꢒꢘ ꢘ ꢑꢓ ꢒ ꢁꢙ ꢌ ꢏꢀ
ꢋ
SCLS450G − DECEMBER 1999 − REVISED APRIL 2005
D
D
D
D
2-V to 5.5-V V
Operation
D
D
D
I
Supports Partial-Power-Down Mode
CC
off
Operation
Max t of 11 ns at 5 V
pd
Support Mixed-Mode Voltage Operation on
All Ports
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
Schmitt-Trigger Circuitry on A, B, and CLR
Inputs for Slow Input Transition Rates
D
Overriding Clear Terminates Output Pulse
Glitch-Free Power-Up Reset on Outputs
− 1000-V Charged-Device Model (C101)
D
SN54LV221A . . . FK PACKAGE
(TOP VIEW)
SN54LV221A . . . J OR W PACKAGE
SN74LV221A . . . D, DB, DGV, NS, OR PW PACKAGE
(TOP VIEW)
1A
1B
V
CC
1
2
3
4
5
6
7
8
16
15
14
13
1R /C
ext ext
1CLR
1Q
1C
1Q
ext
3
2
1 20 19
18
1C
1Q
1CLR
1Q
4
5
6
7
8
ext
2Q
12 2Q
17
16
11
10
9
2C
2CLR
2B
ext
NC
NC
2R /C
ext ext
GND
15 2Q
14
9 10 11 12 13
2Q
2A
2CLR
2C
ext
NC − No internal connection
description/ordering information
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
Tube of 40
SN74LV221AD
SOIC − D
LV221A
Reel of 2500
Reel of 2000
Reel of 2000
Tube of 90
SN74LV221ADR
SN74LV221ANSR
SN74LV221ADBR
SN74LV221APW
SN74LV221APWR
SN74LV221APWT
SN74LV221ADGVR
SNJ54LV221AJ
SOP − NS
74LV221A
LV221A
SSOP − DB
−40°C to 85°C
Reel of 2000
Reel of 250
Reel of 2000
Tube of 25
TSSOP − PW
LV221A
TVSOP − DGV
CDIP − J
LV221A
SNJ54LV221AJ
SNJ54LV221AW
SNJ54LV221AFK
CFP − W
Tube of 150
Tube of 55
SNJ54LV221AW
SNJ54LV221AFK
−55°C to 125°C
LCCC − FK
†
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.
Copyright 2005, Texas Instruments Incorporated
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1
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