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SN74AHCT244Q PDF预览

SN74AHCT244Q

更新时间: 2024-01-05 21:49:41
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
13页 602K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

SN74AHCT244Q 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP20,.25针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.72控制类型:ENABLE LOW
计数方向:UNIDIRECTIONAL系列:AHCT/VHCT/VT
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
长度:6.5 mm负载电容(CL):50 pF
逻辑集成电路类型:BUS DRIVER最大I(ol):0.008 A
湿度敏感等级:1位数:4
功能数量:2端口数量:2
端子数量:20最高工作温度:125 °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
包装方法:TR峰值回流温度(摄氏度):260
电源:5 V最大电源电流(ICC):0.04 mA
Prop。Delay @ Nom-Sup:9.5 ns传播延迟(tpd):9.5 ns
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Bus Driver/Transceivers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:AUTOMOTIVE端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
翻译:N/A宽度:4.4 mm
Base Number Matches:1

SN74AHCT244Q 数据手册

 浏览型号SN74AHCT244Q的Datasheet PDF文件第2页浏览型号SN74AHCT244Q的Datasheet PDF文件第3页浏览型号SN74AHCT244Q的Datasheet PDF文件第4页浏览型号SN74AHCT244Q的Datasheet PDF文件第5页浏览型号SN74AHCT244Q的Datasheet PDF文件第6页浏览型号SN74AHCT244Q的Datasheet PDF文件第7页 
SN74AHCT244Q  
OCTAL BUFFER/DRIVER  
WITH 3-STATE OUTPUTS  
SGDS024 – FEBRUARY 2002  
DW OR PW PACKAGE  
(TOP VIEW)  
Q Devices Meet Automotive Performance  
Requirements  
Customer-Specific Configuration Control  
Can Be Supported Along with  
Major-Change Approval  
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  
EPIC (Enhanced-Performance Implanted  
CMOS) Process  
Inputs Are TTL-Voltage Compatible  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
13 2A2  
12 1Y4  
11  
description  
2A1  
This octal buffer/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 SN74AHCT244Q is organized as two 4-bit buffers/line drivers with separate output-enable (OE) inputs.  
When OE is low, the device passes 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
SOIC – D  
Tape and reel  
Tape and reel  
SN74AHCT244QDWR AHCT244Q  
SN74AHCT244QPWR HB244Q  
–40°C to 125°C  
TSSOP – PW  
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines  
are available at www.ti.com/sc/package.  
FUNCTION TABLE  
(each 4-bit 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.  
EPIC is a trademark of Texas Instruments.  
Copyright 2002, 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  

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