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SN74LVCH244AQPWRQ1 PDF预览

SN74LVCH244AQPWRQ1

更新时间： 2024-11-23 12:22:31
品牌 Logo 应用领域
德州仪器 - TI 驱动器输出元件
页数 文件大小 规格书
9页 168K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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SN74LVCH244AQPWRQ1 技术参数

是否无铅： 含铅生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP, TSSOP20,.25
针数：20Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.33
控制类型：ENABLE LOW系列：LVC/LCX/Z
JESD-30 代码：R-PDSO-G20长度：6.5 mm
逻辑集成电路类型：BUS DRIVER最大I（ol）：0.024 A
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：TSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH包装方法：TR
电源：3.3 VProp。Delay @ Nom-Sup：6.5 ns
传播延迟（tpd）：7.5 ns认证状态：Not Qualified
筛选级别：AEC-Q100座面最大高度：1.2 mm
子类别：Bus Driver/Transceivers最大供电电压 (Vsup)：3.6 V
最小供电电压 (Vsup)：2 V标称供电电压 (Vsup)：2.7 V
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：4.4 mmBase Number Matches：1

SN74LVCH244AQPWRQ1 数据手册

 浏览型号SN74LVCH244AQPWRQ1的Datasheet PDF文件第2页浏览型号SN74LVCH244AQPWRQ1的Datasheet PDF文件第3页浏览型号SN74LVCH244AQPWRQ1的Datasheet PDF文件第4页浏览型号SN74LVCH244AQPWRQ1的Datasheet PDF文件第5页浏览型号SN74LVCH244AQPWRQ1的Datasheet PDF文件第6页浏览型号SN74LVCH244AQPWRQ1的Datasheet PDF文件第7页 
SN74LVCH244A-Q1  
OCTAL BUFFER/DRIVER  
WITH 3-STATE OUTPUTS  
www.ti.com  
SCES492A–SEPTEMBER 2003–REVISED DECEMBER 2005  
FEATURES  
DW OR PW PACKAGE  
(TOP VIEW)  
(1)  
•
•
•
Qualification in Accordance With AEC-Q100  
Qualified for Automotive Applications  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
V
CC  
Customer-Specific Configuration Control Can  
Be Supported Along With Major-Change  
Approval  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
2A2  
1Y4  
2A1  
•
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
•
•
•
•
Operates From 2 V to 3.6 V  
Inputs Accept Voltages to 5.5 V  
Max tpd of 6.5 ns at 3.3 V  
Typical VOLP (Output Ground Bounce)  
<0.8 V at VCC = 3.3 V, TA = 25°C  
•
•
Typical VOHV (Output VOH Undershoot)  
>2 V at VCC = 3.3 V, TA = 25°C  
Supports Mixed-Mode Signal Operation on All  
Ports (5-V Input/Output Voltage With  
3.3-V VCC  
)
•
•
Ioff Supports Partial-Power-Down Mode  
Operation  
Bus Hold on Data Inputs Eliminates the Need  
for External Pullup/Pulldown Resistors  
(1) Contact factory for details. Q100 qualification data available  
on request.  
DESCRIPTION/ORDERING INFORMATION  
The SN74LVCH244A octal buffer/line driver is designed for 2.7-V to 3.6-V VCC operation.  
This device is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE is low, this  
devices passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance  
state.  
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors  
with the bus-hold circuitry is not recommended.  
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in  
a mixed 3.3-V/5-V system environment.  
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,  
preventing damaging current backflow through the device when it is powered down.  
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
Reel of 2000  
Reel of 2000  
ORDERABLE PART NUMBER  
SN74LVCH244AQDWRQ1  
SN74LVCH244AQPWRQ1  
TOP-SIDE MARKING  
LH244AQ  
LH244AQ  
SOIC – DW  
–40°C to 125°C  
TSSOP – PW  
(1) 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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2003–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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