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SN74LV21APWE4 参数 Datasheet PDF下载

SN74LV21APWE4图片预览
型号: SN74LV21APWE4
PDF下载: 下载PDF文件 查看货源
内容描述: 双路4输入正与门 [DUAL 4-INPUT POSITIVE-AND GATES]
分类和应用: 栅极触发器逻辑集成电路光电二极管输入元件
文件页数/大小: 15 页 / 476 K
品牌: TI [ TEXAS INSTRUMENTS ]
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SN54LV21A, SN74LV21A
DUAL 4 INPUT POSITIVE AND GATES
SCES340E − SEPTEMBER 2000 − REVISED APRIL 2005
D
2-V to 5.5-V V
CC
Operation
D
Max t
pd
of 6 ns at 5 V
D
Typical V
OLP
(Output Ground Bounce)
D
D
D
D
<0.8 V at V
CC
= 3.3 V, T
A
= 25°C
Typical V
OHV
(Output V
OH
Undershoot)
>2.3 V at V
CC
= 3.3 V, T
A
= 25°C
I
off
Supports Partial-Power-Down Mode
Operation
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)
− 1000-V Charged-Device Model (C101)
SN54LV21A . . . J OR W PACKAGE
SN74LV21A . . . D, DB, DGV, NS, OR PW PACKAGE
(TOP VIEW)
1A
1B
NC
1C
1D
1Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
2D
2C
NC
2B
2A
2Y
SN54LV21A . . . FK PACKAGE
(TOP VIEW)
description/ordering information
These dual 4-input positive-AND gates are
designed for 2-V to 5.5-V V
CC
operation.
The ’LV21A devices perform the Boolean function
Y
+
A
B
C
D or Y
+
A
)
B
)
C
)
D in
positive logic.
These devices are fully specified for
partial-power-down applications using I
off
. The I
off
circuitry disables the outputs, preventing
damaging current backflow through the devices
when they are powered down.
ORDERING INFORMATION
TA
SOIC − D
SOP − NS
SSOP − DB
−40°C to 85°C
TSSOP − PW
TVSOP − DGV
CDIP − J
−55 C 125°C
−55°C to 125 C
CFP − W
LCCC − FK
PACKAGE†
Tube of 50
Reel of 2500
Reel of 2000
Reel of 2000
Tube of 90
Reel of 2000
Reel of 250
Reel of 2000
Tube of 25
Tube of 150
Tube of 55
1B
1A
NC
V
CC
2D
NC
NC
1C
NC
1D
4
5
6
7
8
3 2 1 20 19
18
17
16
15
14
9 10 11 12 13
2C
NC
NC
NC
2B
NC − No internal connection
ORDERABLE
PART NUMBER
SN74LV21AD
SN74LV21ADR
SN74LV21ANSR
SN74LV21ADBR
SN74LV21APW
SN74LV21APWR
SN74LV21APWT
SN74LV21ADGVR
SNJ54LV21AJ
SNJ54LV21AW
SNJ54LV21AFK
† 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.
POST OFFICE BOX 655303
Copyright
2005, Texas Instruments Incorporated
DALLAS, TEXAS 75265
1Y
GND
NC
2Y
2A
TOP-SIDE
MARKING
LV21A
74LV21A
LV21A
LV21A
LV21A
SNJ54LV21AJ
SNJ54LV21AW
SNJ54LV21AFK
1