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SN74LVC257A PDF预览

SN74LVC257A

更新时间： 2024-11-22 23:06:23
品牌 Logo 应用领域
德州仪器 - TI 复用器输出元件
页数 文件大小 规格书
15页 537K
描述
QUADRUPLE 2 LINE TO 1 LINE DATA SELECTORS/ MULTIPLEXERS WITH 3 STATE OUTPUTS

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SN74LVC257A 数据手册

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SCAS294N − JANUARY 1993 − REVISED OCTOBER 2003  
D
D
D
D
Operate From 1.65 V to 3.6 V  
D
D
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
Inputs Accept Voltages to 5.5 V  
ESD Protection Exceeds JESD 22  
− 2000-V Human-Body Model (A114-A)  
− 200-V Machine Model (A115-A)  
Max t of 4.6 ns at 3.3 V  
pd  
Typical V  
<0.8 V at V  
(Output Ground Bounce)  
OLP  
CC  
= 3.3 V, T = 25°C  
A
D
Typical V  
(Output V  
Undershoot)  
OHV  
OH  
>2 V at V  
= 3.3 V, T = 25°C  
CC  
A
SN54LVC257A . . . J OR W PACKAGE  
SN74LVC257A . . . D, DB, NS,  
OR PW PACKAGE  
SN74LVC257A . . . RGY PACKAGE  
(TOP VIEW)  
SN54LVC257A . . . FK PACKAGE  
(TOP VIEW)  
(TOP VIEW)  
A/B  
1A  
V
CC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
1
16  
3
2
1 20 19  
18  
4A  
4B  
NC  
4Y  
3A  
1B  
1Y  
NC  
2A  
2B  
4
5
6
7
8
1A  
1B  
1Y  
2A  
2B  
2Y  
2
3
4
5
6
7
OE  
4A  
4B  
OE  
4A  
4B  
15  
14  
13  
17  
16  
15  
14  
1B  
1Y  
12 4Y  
2A  
12 4Y  
11  
10  
3A  
3B  
11  
10  
9
2B  
3A  
3B  
3Y  
9 10 11 12 13  
2Y  
8
9
GND  
NC − No internal connection  
description/ordering information  
These quadruple 2-line to 1-line data selectors/multiplexers are designed for 1.65-V to 3.6-V V  
operation.  
CC  
The ’LVC257A devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in  
bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (OE) input is at  
a high logic level.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
QFN − RGY  
SOIC − D  
Reel of 1000  
Tube of 40  
SN74LVC257ARGYR  
SN74LVC257AD  
LC257A  
Reel of 2500  
Reel of 250  
Reel of 2000  
Reel of 2000  
Tube of 90  
SN74LVC257ADR  
SN74LVC257ADT  
SN74LVC257ANSR  
SN74LVC257ADBR  
SN74LVC257APW  
SN74LVC257APWR  
SN74LVC257APWT  
SNJ54LVC257AJ  
SNJ54LVC257AW  
SNJ54LVC257AFK  
LVC257A  
SOP − NS  
LVC257A  
LC257A  
−40°C to 85°C  
SSOP − DB  
Reel of 2000  
Reel of 250  
Tube of 25  
TSSOP − PW  
LC257A  
CDIP − J  
CFP − W  
LCCC − FK  
SNJ54LVC257AJ  
SNJ54LVC257AW  
SNJ54LVC257AFK  
Tube of 150  
Tube of 55  
−55°C to 125°C  
†
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.  
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Copyright 2003, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...15

中文翻译

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SN74LVC257A 替代型号

型号 品牌 替代类型 描述 数据表
SN74LVC257A-EP TI

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