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SN74HCT244-Q1

更新时间： 2024-10-31 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
8页 182K
描述
OCTAL BUFFER AND LINE DRIVER WITH 3-STATE OUTPUTS

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SN74HCT244-Q1 数据手册

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SCLS509A − JUNE 2003 − REVISED FEBRUARY 2008  
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)  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
V
CC  
1
2
3
4
5
6
7
8
9
20  
19  
18  
17  
2OE  
1Y1  
2A4  
D
D
Operating Voltage Range of 4.5 V to 5.5 V  
High-Current Outputs Drive Up To 15  
LSTTL Loads  
16 1Y2  
2A3  
15  
D
D
D
D
D
D
Low Power Consumption, 80-µA Max I  
Typical t = 13 ns  
pd  
6-mA Output Drive at 5 V  
CC  
14 1Y3  
13 2A2  
12 1Y4  
11 2A1  
Low Input Current of 1 µA Max  
Inputs Are TTL-Voltage Compatible  
GND 10  
3-State Outputs Drive Bus Lines or Buffer  
Memory Address Registers  
description/ordering information  
This octal buffer and line 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 ’HCT244 device is  
organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device  
passes noninverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the  
high-impedance state.  
†
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
‡
T
A
PACKAGE  
−40°C to 125°C  
TSSOP − PW Tape and reel  
SN74HCT244QPWRQ1  
HT244Q  
†
‡
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 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.  
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Copyright 2008, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345678

中文翻译

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SN74HCT244-Q1 替代型号

型号 品牌 替代类型 描述 数据表
SN74HCT244-EP TI

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 		具有三态输出的八路总线收发器 | DGS | 20 | -40 to 125

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