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SN74AHC245QDWR PDF预览

SN74AHC245QDWR

更新时间: 2024-11-02 11:58:19
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
14页 619K
描述
OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

SN74AHC245QDWR 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.29控制类型:COMMON CONTROL
计数方向:BIDIRECTIONAL系列:AHC/VHC/H/U/V
JESD-30 代码:R-PDSO-G20长度:12.8 mm
逻辑集成电路类型:BUS TRANSCEIVER最大I(ol):0.008 A
位数:8功能数量:1
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:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TAPE AND REEL
峰值回流温度(摄氏度):NOT SPECIFIED电源:2/5.5 V
Prop。Delay @ Nom-Sup:13.5 ns传播延迟(tpd):13.5 ns
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:AUTOMOTIVE端子形式:GULL WING
端子节距:1.27 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:7.5 mm

SN74AHC245QDWR 数据手册

 浏览型号SN74AHC245QDWR的Datasheet PDF文件第2页浏览型号SN74AHC245QDWR的Datasheet PDF文件第3页浏览型号SN74AHC245QDWR的Datasheet PDF文件第4页浏览型号SN74AHC245QDWR的Datasheet PDF文件第5页浏览型号SN74AHC245QDWR的Datasheet PDF文件第6页浏览型号SN74AHC245QDWR的Datasheet PDF文件第7页 
SN74AHC245Q  
OCTAL BUS TRANSCEIVER  
WITH 3-STATE OUTPUTS  
SGDS018 – 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  
DIR  
A1  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
A2  
Operating Range 2-V to 5.5-V V  
CC  
A3  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
A4  
A5  
A6  
description  
A7  
A8  
The SN74AHC245Q octal bus transceiver is  
designed for asynchronous two-way  
communication between data buses. The  
control-function implementation minimizes  
external timing requirements.  
GND  
This device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on  
the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the  
device so that the buses are effectively isolated.  
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 – DW  
Tape and reel  
Tape and reel  
SN74AHC245QDWR  
SN74AHC245QPWR  
AHC245Q  
HA245Q  
–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 transceiver)  
INPUTS  
OPERATION  
OE  
L
DIR  
L
B data to A bus  
A data to B bus  
Isolation  
L
H
H
X
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  
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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