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SN74HCT244-EP

更新时间： 2024-11-01 12:21:51
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
10页 499K
描述
OCTAL BUFFER AND LINE DRIVER WITH 3-STATE OUTPUTS

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中文翻译

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SN74HCT244-EP 数据手册

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SCLS562 − JANUARY 2004  
D
Controlled Baseline  
− One Assembly/Test Site, One Fabrication  
Site  
D
D
D
D
D
Typical t = 13 ns  
pd  
6-mA Output Drive at 5 V  
Low Input Current of 1 µA Max  
Inputs Are TTL-Voltage Compatible  
D
D
Extended Temperature Performance of  
−40°C to 125°C  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
3-State Outputs Drive Bus Lines or Buffer  
Memory Address Registers  
D
D
D
D
Enhanced Product-Change Notification  
PW PACKAGE  
(TOP VIEW)  
†
Qualification Pedigree  
Operating Voltage Range of 4.5 V to 5.5 V  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
V
CC  
1
2
3
4
5
6
7
8
9
20  
19  
18  
17  
High-Current Outputs Drive Up To 15  
LSTTL Loads  
2OE  
1Y1  
2A4  
D
Low Power Consumption, 160-µA Max I  
CC  
†
Component qualification in accordance with JEDEC and industry  
standards to ensure reliable operation over an extended  
temperature range. This includes, but is not limited to, Highly  
Accelerated Stress Test (HAST) or biased 85/85, temperature  
cycle, autoclave or unbiased HAST, electromigration, bond  
intermetallic life, and mold compound life. Such qualification  
testing should not be viewed as justifying use of this component  
beyond specified performance and environmental limits.  
16 1Y2  
2A3  
15  
14 1Y3  
13 2A2  
12 1Y4  
11 2A1  
GND 10  
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 SN74HCT244 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  
SN74HCT244QPWREP  
SHT244EP  
‡
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are  
available at www.ti.com/sc/package.  
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 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...10

中文翻译

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SN74HCT244-EP 替代型号

型号 品牌 替代类型 描述 数据表
SN74HCT244-Q1 TI

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