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SN74AHCT244-Q1 PDF预览

SN74AHCT244-Q1

更新时间： 2024-11-04 12:21:47
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
13页 596K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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SN74AHCT244-Q1 数据手册

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SCLS529C − AUGUST 2003 − REVISED APRIL 2008  
DW OR PW PACKAGE  
(TOP VIEW)  
D
D
Qualified for Automotive Applications  
ESD Protection Exceeds 1000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
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10  
20  
19  
18  
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15  
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12  
11  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
V
CC  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
2A2  
1Y4  
2A1  
D
D
EPIC(Enhanced-Performance Implanted  
CMOS) Process  
Inputs Are TTL-Voltage Compatible  
description/ordering information  
This octal buffer/driver is designed specifically to  
improve both the performance and density of 3-state  
memory-address drivers, clock drivers, and  
bus-oriented receivers and transmitters.  
The SN74AHCT244 is organized as two 4-bit buffers/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 shall be tied to V  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup  
CC  
{
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
‡
PACKAGE  
T
A
−40°C to 85°C  
−40°C to 125°C  
TSSOP − PW Tape and reel SN74AHCT244IPWRQ1  
SOIC − DW Tape and reel SN74AHCT244QDWRQ1  
TSSOP − PW Tape and reel SN74AHCT244QPWRQ1  
AHCT244I  
AHCT244Q  
AHCT244Q  
†
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 http://www.ti.com.  
Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging.  
‡
FUNCTION TABLE  
(each 4-bit buffer/driver)  
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.  
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Copyright 2008, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...13

中文翻译

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SN74AHCT244-Q1 替代型号

型号 品牌 替代类型 描述 数据表
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