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SN74AC244DBLE PDF预览

SN74AC244DBLE

更新时间： 2024-11-09 12:59:35
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德州仪器 - TI 驱动器输出元件
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SN74AC244DBLE 数据手册

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SN54AC244, SN74AC244  
OCTAL BUFFERS/DRIVERS  
WITH 3-STATE OUTPUTS  
SCAS514E − JUNE 1995 − REVISED OCTOBER 2003  
SN54AC244 . . . J OR W PACKAGE  
SN74AC244 . . . DB, DW, N, NS, OR PW PACKAGE  
(TOP VIEW)  
D
D
D
2-V to 6-V V Operation  
CC  
Inputs Accept Voltages to 6 V  
Max t of 7.5 ns at 5 V  
pd  
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  
VCC  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
2A2  
1Y4  
2A1  
description/ordering information  
These octal buffers and line drivers are designed  
specifically to improve the performance and  
density of 3-state memory address drivers, clock  
drivers, and bus-oriented receivers and  
transmitters.  
The ’AC244 devices are 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.  
SN54AC244 . . . FK PACKAGE  
(TOP VIEW)  
To ensure the high-impedance state during power  
up or power down, OE should be tied to V  
CC  
through a pullup resistor; the minimum value of  
the resistor is determined by the current-sinking  
capability of the driver.  
3
2
1
20 19  
18  
1Y1  
2A4  
1Y2  
1A2  
2Y3  
1A3  
2Y2  
1A4  
4
5
6
7
8
17  
16  
15 2A3  
14  
1Y3  
9 10 11 12 13  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
T
A
PACKAGE  
PDIP − N  
Tube  
SN74AC244N  
SN74AC244N  
Tube  
SN74AC244DW  
SN74AC244DWR  
SN74AC244NSR  
SN74AC244DBR  
SN74AC244PW  
SN74AC244PWR  
SNJ54AC244J  
SOIC − DW  
AC244  
Tape and reel  
Tape and reel  
Tape and reel  
Tube  
SOP − NS  
AC244  
AC244  
−40°C to 85°C  
SSOP − DB  
TSSOP − PW  
AC244  
Tape and reel  
Tube  
CDIP − J  
CFP − W  
LCCC − FK  
SNJ54AC244J  
Tube  
SNJ54AC244W  
SNJ54AC244FK  
SNJ54AC244W  
SNJ54AC244FK  
−55°C to 125°C  
Tube  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are  
available at www.ti.com/sc/package.  
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.  
Copyright © 2003, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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  
1234567...22

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SN74AC244DBLE 替代型号

型号 品牌 替代类型 描述 数据表
SN74AC244DBRE4 TI

完全替代

 AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SSOP-20
SN74AC244DBR TI

完全替代

 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
CD74AC244SM96 TI

功能相似

 Octal Buffer/Line Drivers, 3-State

与SN74AC244DBLE相关器件

型号 品牌 获取价格 描述 数据表
SN74AC244DBR TI

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SN74AC244DBRE4 TI

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 		AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SSOP-20
SN74AC244DBRG4 TI

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 		Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85
SN74AC244DW TI

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 		OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74AC244DWG4 TI

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 		Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85
SN74AC244DWR TI

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 		OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74AC244DWRE4 TI

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 		Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85
SN74AC244-EP TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AC244MDWREP TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AC244MNSREP TI

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 		Enhanced Product Octal Buffers/Drivers With 3-State Outputs 20-SO -55 to 125

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