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74AC11244 PDF预览

74AC11244

更新时间： 2024-09-16 22:39:47
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
6页 94K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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74AC11244 数据手册

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74AC11244  
OCTAL BUFFER/DRIVER  
WITH 3-STATE OUTPUTS  
SCAS171B – MARCH 1987 – REVISED SEPTEMBER 1998  
DB, DW, NT, OR PW PACKAGE  
(TOP VIEW)  
EPIC (Enhanced-Performance Implanted  
CMOS ) 1-µm Process  
3-State Outputs Drive Bus Lines or Buffer  
Memory Address Registers  
1Y1  
1Y2  
1Y3  
1OE  
1A1  
1A2  
1A3  
1A4  
1
2
3
4
5
6
7
8
9
24  
23  
22  
21  
20  
19  
18  
Flow-Through Architecture Optimizes PCB  
Layout  
1Y4  
Center-Pin V  
and GND Pin  
GND  
GND  
GND  
GND  
2Y1  
2Y2 10  
2Y3  
2Y4  
CC  
Configurations Minimize High-Speed  
Switching Noise  
V
CC  
V
CC  
17 2A1  
16 2A2  
15 2A3  
500-mA Typical Latch-Up Immunity at  
125°C  
Package Options Include Plastic  
11  
12  
14  
13  
2A4  
2OE  
Small-Outline (DW), Shrink Small-Outline  
(DB), and Thin Shrink Small-Outline (PW)  
Packages, and Standard Plastic DIPs (NT)  
description  
The 74AC11244 is an octal buffer or line driver designed specifically to improve both the performance and  
density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The  
device can be used as two 4-bit buffers or one 8-bit buffer, with active-low 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.  
To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup  
CC  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
The 74AC11244 is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
(each 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 Incorporated.  
Copyright 1998, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
123456

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74AC11244DB TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
74AC11244DBE4 TI

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 		AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO24
74AC11244DBLE TI

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 		Octal Buffers/Drivers 24-SSOP -40 to 85
74AC11244DBR TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
74AC11244DBRG4 TI

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 		AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SSOP-24
74AC11244DW TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
74AC11244DWG4 TI

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 		Octal Buffers/Drivers 24-SOIC -40 to 85
74AC11244DWR TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
74AC11244N YAGEO

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 		Bus Driver, AC Series, 2-Func, 4-Bit, True Output, CMOS, PDIP24
74AC11244NSR TI

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 		AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOP-24

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