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SN74LV244ADW

更新时间： 2024-11-03 23:03:15
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器逻辑集成电路光电二极管输出元件PC
页数 文件大小 规格书
7页 133K
描述
OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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SN74LV244ADW 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP20,.4针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.63Samacsys Confidence：3
Samacsys Status：ReleasedSamacsys PartID：1751
Samacsys Pin Count：20Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：DW (R-PDSO-G20)
Samacsys Released Date：2015-04-16 09:48:08Is Samacsys：N
控制类型：ENABLE LOW计数方向：UNIDIRECTIONAL
系列：LV/LV-A/LVX/HJESD-30 代码：R-PDSO-G20
JESD-609代码：e4长度：12.8 mm
负载电容（CL）：50 pF逻辑集成电路类型：BUS DRIVER
最大I（ol）：0.016 A湿度敏感等级：1
位数：4功能数量：2
端口数量：2端子数量：20
最高工作温度：125 °C最低工作温度：-40 °C
输出特性：3-STATE输出极性：TRUE
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP20,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TUBE
峰值回流温度（摄氏度）：260电源：3.3 V
最大电源电流（ICC）：0.02 mAProp。Delay @ Nom-Sup：13.5 ns
传播延迟（tpd）：18 ns认证状态：Not Qualified
座面最大高度：2.65 mm子类别：Bus Driver/Transceivers
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2 V
标称供电电压 (Vsup)：2.5 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.5 mm
Base Number Matches：1

SN74LV244ADW 数据手册

 浏览型号SN74LV244ADW的Datasheet PDF文件第2页浏览型号SN74LV244ADW的Datasheet PDF文件第3页浏览型号SN74LV244ADW的Datasheet PDF文件第4页浏览型号SN74LV244ADW的Datasheet PDF文件第5页浏览型号SN74LV244ADW的Datasheet PDF文件第6页浏览型号SN74LV244ADW的Datasheet PDF文件第7页 
SN54LV244A, SN74LV244A  
OCTAL BUFFERS/DRIVERS  
WITH 3-STATE OUTPUTS  
SCLS383B – SEPTEMBER 1997 – REVISED JUNE 1998  
SN54LV244A . . . J OR W PACKAGE  
SN74LV244A . . . DB, DGV, DW, NS, OR PW PACKAGE  
(TOP VIEW)  
EPIC (Enhanced-Performance Implanted  
CMOS) Process  
Typical V  
< 0.8 V at V , T = 25°C  
(Output Ground Bounce)  
OLP  
CC  
A
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
Typical V  
> 2 V at V , T = 25°C  
(Output V  
Undershoot)  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
OHV  
CC  
OH  
A
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
13 2A2  
12 1Y4  
Package Options Include Plastic  
Small-Outline (DW, NS), Shrink  
11  
2A1  
Small-Outline (DB), Thin Very Small-Outline  
(DGV), and Thin Shrink Small-Outline (PW)  
Packages, Ceramic Flat (W) Packages, Chip  
Carriers (FK), and DIPs (J)  
SN54LV244A . . . FK PACKAGE  
(TOP VIEW)  
description  
3
2 1 20 19  
18  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
1A2  
2Y3  
1A3  
2Y2  
1A4  
4
5
6
7
8
These octal buffers/line drivers are designed for  
2-V to 5.5-V V operation.  
17  
16  
15  
14  
CC  
The ’LV244A devices are designed specifically to  
improve both the performance and density of  
3-state memory address drivers, clock drivers,  
and bus-oriented receivers and transmitters.  
9 10 11 12 13  
These devices are organized as two 4-bit line  
drivers with separate output-enable (OE) inputs.  
When OE is low, the device passes data from the  
A inputs to the Y outputs. When OE is high, the  
outputs are in the high-impedance state.  
To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup  
CC  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
The SN54LV244A is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74LV244A is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
(each buffer)  
INPUTS  
OUTPUT  
Y
OE  
A
H
L
L
L
H
L
H
X
Z
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.  
EPIC is a trademark of Texas Instruments Incorporated.  
Copyright 1998, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567

中文翻译

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SN74LV244ADW 替代型号

型号 品牌 替代类型 描述 数据表
SN74LV244ADWG4 TI

完全替代

 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV244ADWRG4 TI

完全替代

 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV244ADBLE TI

完全替代

 OCTAL BUFFERS /DRIVERS WITH 3 STATE OUTPUTS

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