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SN74ACT244DBR PDF预览

SN74ACT244DBR

更新时间： 2024-02-04 23:28:23
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
17页 692K
描述
OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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SN74ACT244DBR 技术参数

生命周期：Obsolete包装说明：TSSOP, TSSOP20,.25
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.59系列：ACT
JESD-30 代码：R-PDSO-G20长度：6.5 mm
逻辑集成电路类型：BUS DRIVER位数：4
功能数量：2端口数量：2
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C输出特性：3-STATE
输出极性：TRUE封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP20,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
传播延迟（tpd）：10 ns座面最大高度：1.2 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：4.4 mm
Base Number Matches：1

SN74ACT244DBR 数据手册

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SN54ACT244, SN74ACT244  
OCTAL BUFFERS/DRIVERS  
WITH 3-STATE OUTPUTS  
SCAS517C – JUNE 1995 – REVISED OCTOBER 2002  
4.5-V to 5.5-V V  
Operation  
Max t of 9.5 ns at 5 V  
pd  
CC  
Inputs Accept Voltages to 5.5 V  
Inputs Are TTL Compatible  
SN54ACT244 . . . J OR W PACKAGE  
SN74ACT244 . . . DB, DW, N, NS, OR PW PACKAGE  
(TOP VIEW)  
SN54ACT244 . . . FK PACKAGE  
(TOP VIEW)  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
3
2
1
20 19  
18  
4
5
6
7
8
1Y1  
2A4  
1Y2  
2A3  
1Y3  
1A2  
2Y3  
1A3  
2Y2  
1A4  
17  
16  
15  
14  
9 10 11 12 13  
13 2A2  
12  
11  
1Y4  
2A1  
description/ordering information  
These octal buffers/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 ’ACT244 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.  
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.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
PDIP – N  
Tube  
SN74ACT244N  
SN74ACT244N  
Tube  
SN74ACT244DW  
SN74ACT244DWR  
SN74ACT244NSR  
SN74ACT244DBR  
SN74ACT244PWR  
SNJ54ACT244J  
SNJ54ACT244W  
SNJ54ACT24FK  
SOIC – DW  
ACT244  
Tape and reel  
Tape and reel  
Tape and reel  
Tape and reel  
Tube  
–40°C to 85°C  
SOP – NS  
SSOP – DB  
TSSOP – PW  
CDIP – J  
ACT244  
AD244  
AD244  
SNJ54ACT244J  
SNJ54ACT244W  
SNJ54ACT244FK  
–55°C to 125°C  
CFP – W  
Tube  
LCCC – FK  
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 2002, 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...17

中文翻译

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SN74ACT244DBR 替代型号

型号 品牌 替代类型 描述 数据表
SN74ACT244DBRG4 TI

完全替代

 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74ACT244DWR TI

完全替代

 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74ACT244IDWREP TI

完全替代

 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

与SN74ACT244DBR相关器件

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SN74ACT244DBRG4 TI

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SN74ACT244DW TI

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SN74ACT244DWE4 TI

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SN74ACT244DWG4 TI

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SN74ACT244DWR TI

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SN74ACT244DWRE4 TI

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SN74ACT244DWRG4 TI

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SN74ACT244-EP TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ACT244IDWREP TI

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 		OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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