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SN74LVC541A-Q1

更新时间： 2024-09-15 11:58:39
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德州仪器 - TI 驱动器输出元件
页数 文件大小 规格书
11页 226K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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SN74LVC541A-Q1 数据手册

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SN74LVC541A-Q1  
www.ti.com ............................................................................................................................................... SCAS713B–SEPTEMBER 2003–REVISED APRIL 2008  
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS  
1
FEATURES  
DW OR PW PACKAGE  
•
Qualified for Automotive Applications  
(TOP VIEW)  
•
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
OE1  
A1  
VCC  
OE2  
Y1  
Y2  
Y3  
A2  
A3  
A4  
A5  
•
•
•
•
Operates From 2 V to 3.6 V  
Inputs Accept Voltages to 5.5 V  
Max tpd of 5.1 ns at 3.3 V  
Y4  
Y5  
Typical VOLP (Output Ground Bounce) < 0.8 V  
at VCC = 3.3 V, TA = 25°C  
A6  
A7  
A8  
GND  
Y6  
Y7  
Y8  
•
•
•
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  
DESCRIPTION/ORDERING INFORMATION  
The SN74LVC541A octal buffer/driver is designed for 2.7-V to 3.6-V VCC operation.  
The device is ideal for driving bus lines or buffering memory address registers.  
This device features inputs and outputs on opposite sides of the package to facilitate printed circuit board layout.  
The 3-state control gate is a 2-input AND gate with active-low inputs so that, if either output enable (OE1 or OE2)  
input is high, all eight outputs are in the high-impedance state.  
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(1)  
TA  
PACKAGE(2)  
Reel of 2000  
Reel of 2000  
ORDERABLE PART NUMBER  
SN74LVC541AQDWRQ1  
TOP-SIDE MARKING  
L541AQ1  
L541AQ1  
SOIC – DW  
–40°C to 125°C  
TSSOP – PW  
SN74LVC541AQPWRQ1  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.  
1
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 © 2003–2008, 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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