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SN74LVC245DWR PDF预览

SN74LVC245DWR

更新时间： 2024-11-04 13:13:51
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
8页 116K
描述
Octal Bus Transceiver With 3-State Outputs 20-SOIC -40 to 125

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SN74LVC245DWR 技术参数

是否无铅：含铅是否Rohs认证：不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：PLASTIC, SO-20针数：20
Reach Compliance Code：not_compliantHTS代码：8542.39.00.01
风险等级：5.2Is Samacsys：N
其他特性：WITH DIRECTION CONTROL控制类型：COMMON CONTROL
计数方向：BIDIRECTIONAL系列：LVC/LCX/Z
JESD-30 代码：R-PDSO-G20长度：12.8 mm
负载电容（CL）：50 pF逻辑集成电路类型：BUS TRANSCEIVER
最大I（ol）：0.024 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：3.3 V传播延迟（tpd）：8 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)：3.6 V
最小供电电压 (Vsup)：2.7 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 mmBase Number Matches：1

SN74LVC245DWR 数据手册

 浏览型号SN74LVC245DWR的Datasheet PDF文件第2页浏览型号SN74LVC245DWR的Datasheet PDF文件第3页浏览型号SN74LVC245DWR的Datasheet PDF文件第4页浏览型号SN74LVC245DWR的Datasheet PDF文件第5页浏览型号SN74LVC245DWR的Datasheet PDF文件第6页浏览型号SN74LVC245DWR的Datasheet PDF文件第7页 
SN74LVC245A  
OCTAL BUS TRANSCEIVER  
WITH 3-STATE OUTPUTS  
SCAS218I – JANUARY 1993 – REVISED JUNE 1998  
DB, DW, OR PW PACKAGE  
(TOP VIEW)  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
Typical V  
< 0.8 V at V  
(Output Ground Bounce)  
OLP  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DIR  
A1  
V
CC  
= 3.3 V, T = 25°C  
CC  
A
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
Typical V  
> 2 V at V  
(Output V  
Undershoot)  
A2  
OHV  
OH  
= 3.3 V, T = 25°C  
CC  
A
A3  
Supports Mixed-Mode Signal Operation on  
All Ports (5-V Input/Output Voltage With  
A4  
A5  
3.3-V V  
)
A6  
CC  
A7  
Power Off Disables Outputs, Permitting  
Live Insertion  
A8  
GND  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), and Thin Shrink Small-Outline (PW)  
Packages  
description  
This octal bus transceiver is designed for 1.65-V to 3.6-V V  
operation.  
CC  
The SN74LVC245A is designed for asynchronous communication between data buses. The device transmits  
data 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 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.  
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators  
in a mixed 3.3-V/5-V system environment.  
The SN74LVC245A is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
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.  
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  
12345678

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