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SN74HC244-Q1 PDF预览

SN74HC244-Q1

更新时间: 2024-11-22 11:07:51
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
11页 278K
描述
具有三态输出的汽车类 8 通道、2V 至 6V 缓冲器

SN74HC244-Q1 数据手册

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ꢀꢁ ꢂꢃ ꢄꢅ ꢆꢃ ꢃꢇ ꢈ ꢉ  
ꢊ ꢅꢋꢌꢍ ꢎꢏꢐ ꢐ ꢑꢒ ꢌꢁꢓ ꢍ ꢔꢁ ꢑ ꢓ ꢒꢔ ꢕ ꢑꢒ  
ꢖ ꢔꢋ ꢄ ꢗ ꢇꢀꢋꢌꢋ ꢑ ꢊ ꢏꢋ ꢘ ꢏꢋꢀ  
SCLS543A − SEPTEMBER 2002 − REVISED APRIL 2008  
D
D
Qualified for Automotive Applications  
D
D
D
Typical t = 11 ns  
pd  
6-mA Output Drive at 5 V  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
Low Input Current of 1 µA Max  
DW OR PW PACKAGE  
(TOP VIEW)  
D
D
D
D
Wide Operating Voltage Range of 2 V to 6 V  
High-Current Outputs Drive Up To 15  
LSTTL Loads  
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  
3-State Outputs Drive Bus Lines or Buffer  
Memory Address Registers  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
2A2  
1Y4  
2A1  
Low Power Consumption, 80-µA Max I  
CC  
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 SN74HC244 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  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
PART NUMBER  
SN74HC244QDWRQ1  
SN74HC244QPWRQ1  
SOIC − DW  
Reel of 2000  
Reel of 2000  
HC244Q  
HC244Q  
−40°C to 125°C  
TSSOP − PW  
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.  
ꢋꢤ  
Copyright 2008, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443  

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