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SN74BCT640DW-00 PDF预览

SN74BCT640DW-00

更新时间: 2024-10-31 15:52:11
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管输出元件逻辑集成电路
页数 文件大小 规格书
17页 823K
描述
BCT/FBT SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20

SN74BCT640DW-00 技术参数

生命周期:Obsolete包装说明:SOP,
Reach Compliance Code:unknown风险等级:5.39
其他特性:WITH DIRECTION CONTROL系列:BCT/FBT
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
位数:8功能数量:1
端口数量:2端子数量:20
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
最大电源电流(ICC):94 mA传播延迟(tpd):3.7 ns
认证状态:Not Qualified座面最大高度:2.65 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:BICMOS温度等级:COMMERCIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:7.5 mm
Base Number Matches:1

SN74BCT640DW-00 数据手册

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ꢌ ꢅꢆꢍꢎꢊꢄ ꢏꢀꢊ ꢆꢐꢍ ꢁꢀꢅ ꢑꢒ ꢓ ꢑꢐ  
SCBS025C − SEPTEMBER 1988 − REVISED APRIL 1994  
SN54BCT640 . . . J OR W PACKAGE  
SN74BCT640 . . . DW OR N PACKAGE  
(TOP VIEW)  
State-of-the-Art BiCMOS Design  
Substantially Reduces Standby Current  
Outputs Have Undershoot-Protection  
Circuitry  
DIR  
A1  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
Power-Up High-Impedance State  
OE  
B1  
B2  
A2  
A3  
Buffered Control Inputs to Reduce DC  
Loading Effects  
A4  
A5  
16 B3  
15 B4  
ESD Protection Exceeds 2000 V  
Per MIL-STD-883C, Method 3015  
14  
13  
12  
11  
A6  
A7  
A8  
GND  
B5  
B6  
B7  
B8  
Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK) and Flatpacks (W), and  
Plastic and Ceramic 300-mil DIPs (J, N)  
SN54BCT640 . . . FK PACKAGE  
(TOP VIEW)  
description  
The BCT640 bus transceiver is designed for  
asynchronous communication between data  
buses. These devices transmit data from the A  
bus to the B bus or from the B bus to the A bus  
depending upon the 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.  
3
2
1
20 19  
18  
A3  
A4  
A5  
A6  
A7  
B1  
17 B2  
4
5
6
7
8
16  
15  
14  
B3  
B4  
B5  
9 10 11 12 13  
The SN54BCT640 is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74BCT640 is characterized for  
operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
OE  
DIR  
L
L
L
B data to A bus  
A data to B bus  
Isolation  
H
H
X
ꢘꢐ ꢌ ꢙꢏ ꢅ ꢆꢒ ꢌꢁ ꢙ ꢍꢆꢍ ꢚꢛ ꢜ ꢝꢞ ꢟꢠ ꢡꢚꢝ ꢛ ꢚꢢ ꢣꢤ ꢞ ꢞ ꢥꢛꢡ ꢠꢢ ꢝꢜ ꢦꢤꢧ ꢨꢚꢣ ꢠꢡ ꢚꢝꢛ ꢩꢠ ꢡꢥ ꢪ  
ꢘꢞ ꢝ ꢩꢤꢣ ꢡ ꢢ ꢣ ꢝꢛ ꢜꢝ ꢞ ꢟ ꢡ ꢝ ꢢ ꢦꢥ ꢣ ꢚꢜ ꢚꢣꢠ ꢡꢚ ꢝꢛꢢ ꢦꢥ ꢞ ꢡꢫ ꢥ ꢡꢥ ꢞ ꢟꢢ ꢝꢜ ꢆꢥꢬ ꢠꢢ ꢒꢛꢢ ꢡꢞ ꢤꢟ ꢥꢛꢡ ꢢ  
ꢢ ꢡ ꢠ ꢛꢩ ꢠ ꢞꢩ ꢭ ꢠ ꢞꢞ ꢠ ꢛ ꢡꢮꢪ ꢘꢞ ꢝ ꢩꢤꢣ ꢡꢚꢝꢛ ꢦꢞ ꢝꢣ ꢥꢢ ꢢꢚ ꢛꢯ ꢩꢝꢥ ꢢ ꢛꢝꢡ ꢛꢥ ꢣꢥ ꢢꢢ ꢠꢞ ꢚꢨ ꢮ ꢚꢛꢣ ꢨꢤꢩ ꢥ  
ꢡ ꢥ ꢢ ꢡꢚ ꢛꢯ ꢝꢜ ꢠ ꢨꢨ ꢦꢠ ꢞ ꢠ ꢟ ꢥ ꢡ ꢥ ꢞ ꢢ ꢪ  
Copyright 1994, Texas Instruments Incorporated  
2−1  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443  

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