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SN54BCT25245W PDF预览

SN54BCT25245W

更新时间： 2024-11-23 22:53:39
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器逻辑集成电路输出元件信息通信管理
页数 文件大小 规格书
5页 93K
描述
25ohm OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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中文翻译

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SN54BCT25245W 技术参数

生命周期：Obsolete零件包装代码：DFP
包装说明：DFP, FL24,.4针数：24
Reach Compliance Code：unknown风险等级：5.84
Is Samacsys：N其他特性：DIRECTION CONTROL; IOL = 20MA @ VOL = 0.5V & IOH = 3MA @ VOH = 2.4V FOR PORT B
控制类型：COMMON CONTROL计数方向：BIDIRECTIONAL
系列：BCT/FBTJESD-30 代码：R-GDFP-F24
长度：14.36 mm负载电容（CL）：50 pF
逻辑集成电路类型：BUS TRANSCEIVER最大I（ol）：0.125 A
位数：8功能数量：1
端口数量：2端子数量：24
最高工作温度：125 °C最低工作温度：-55 °C
输出特性：3-STATE输出极性：TRUE
封装主体材料：CERAMIC, GLASS-SEALED封装代码：DFP
封装等效代码：FL24,.4封装形状：RECTANGULAR
封装形式：FLATPACK电源：5 V
最大电源电流（ICC）：125 mAProp。Delay @ Nom-Sup：7.6 ns
传播延迟（tpd）：7.6 ns认证状态：Not Qualified
座面最大高度：2.29 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：BICMOS温度等级：MILITARY
端子形式：FLAT端子节距：1.27 mm
端子位置：DUAL翻译：N/A
宽度：9.09 mmBase Number Matches：1

SN54BCT25245W 数据手册

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SN54BCT25245, SN74BCT25245  
25-Ω OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCBS053B – MAY 1990 – REVISED APRIL 1994  
SN54BCT25245 . . . JT OR W PACKAGE  
SN74BCT25245 . . . DW OR NT PACKAGE  
(TOP VIEW)  
• State-of-the-Art BiCMOS Design  
Significantly Reduces I  
CCZ  
• ESD Protection Exceeds 2000 V Per  
MIL-STD-883C, Method 3015; Exceeds  
200 V Using Machine Model (C = 200 pF,  
R = 0)  
A1  
GND  
A2  
DIR  
B1  
B2  
1
2
3
4
5
6
7
8
9
24  
23  
22  
21  
20  
19  
18  
17  
16  
• Designed to Facilitate Incident-Wave  
Switching for Line Impedances of 25 Ω  
or Greater  
A3  
V
CC  
GND  
A4  
A5  
GND  
A6  
B3  
B4  
B5  
B6  
• Distributed V  
and GND Pins Minimize  
Noise Generated by the Simultaneous  
Switching of Outputs  
CC  
V
CC  
A7 10  
15 B7  
• Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK) and Flatpacks (W), and  
Standard Plastic and Ceramic 300-mil DIPs  
(JT, NT)  
GND  
A8  
B8  
11  
12  
14  
13  
OE  
SN54BCT25245 . . . FK PACKAGE  
(TOP VIEW)  
description  
The ′BCT25245 is a 25-Ω octal bus transceiver  
designed for asynchronous communication  
between data buses. It improves both the  
performance and density of 3-state memory  
address drivers, clock drivers, and bus-oriented  
transceivers.  
4
3 2 1 28 27 26  
B3  
5
6
7
8
9
25 OE  
24 A8  
23  
V
CC  
B2  
GND  
NC  
A7  
A6  
GND  
22  
NC  
B1  
DIR  
A1  
21  
20  
19  
The device allows data transmission from the A  
bus to the B bus or from the B bus to the A bus  
depending upon the logic level at the  
direction-control (DIR) input. The output-enable  
(OE) input can disable the device so that both  
buses are effectively isolated.  
10  
11  
12 13 14 15 16 17 18  
NC – No internal connection  
Thesetransceiversarecapableofsinking188-mA  
I
, which facilitates switching 25-Ω transmission  
OL  
lines on the incident wave. The distributed V  
CC  
and GND pins minimize switching noise for more  
reliable system operation.  
The SN54BCT25245 is characterized for opera-  
tion over the full military temperature range of  
–55°C to 125°C. The SN74BCT25245 is  
characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
DIR  
OE  
L
L
H
X
B data to A bus  
A data to B bus  
Isolation  
L
H
Copyright 1994, Texas Instruments Incorporated  
UNLESS OTHERWISE NOTED this document contains PRODUCTION  
DATA information 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.  
2–1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345

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