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SN74F243D-00 PDF预览

SN74F243D-00

更新时间: 2024-11-18 15:52:11
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件逻辑集成电路
页数 文件大小 规格书
5页 81K
描述
F/FAST SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14

SN74F243D-00 技术参数

生命周期:Obsolete包装说明:SOP,
Reach Compliance Code:unknown风险等级:5.48
其他特性:WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION系列:F/FAST
JESD-30 代码:R-PDSO-G14长度:8.65 mm
逻辑集成电路类型:BUS TRANSCEIVER位数:4
功能数量:1端口数量:2
端子数量:14最高工作温度:70 °C
最低工作温度:输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE传播延迟(tpd):6.5 ns
认证状态:Not Qualified座面最大高度:1.75 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:TTL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:3.9 mm
Base Number Matches:1

SN74F243D-00 数据手册

 浏览型号SN74F243D-00的Datasheet PDF文件第2页浏览型号SN74F243D-00的Datasheet PDF文件第3页浏览型号SN74F243D-00的Datasheet PDF文件第4页浏览型号SN74F243D-00的Datasheet PDF文件第5页 
ꢊ ꢋꢌꢍꢎ ꢋꢏꢐ ꢑꢈ ꢒꢋꢀꢈ ꢓ ꢎꢌꢁꢀ ꢔꢑ ꢕꢖ ꢑ ꢎ  
SDFS086 − MARCH 1987 − REVISED OCTOBER 1993  
SN54F243 . . . J PACKAGE  
SN74F243 . . . D OR N PACKAGE  
(TOP VIEW)  
Asynchronous Communication Between  
Data Buses  
Local Bus-Latch Capability  
True Logic  
OEAB  
NC  
V
CC  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
OEBA  
NC  
B1  
B2  
B3  
Package Options Include Plastic  
Small-Outline Packages, Ceramic Chip  
Carriers, and Standard Plastic and Ceramic  
300-mil DIPs  
A1  
A2  
A3  
A4  
GND  
B4  
description  
8
These quadruple bus transceivers are designed  
for asynchronous communications between data  
buses. The control function implementation allows  
for maximum flexibility in timing. These devices  
allow data transmission from the A bus to the  
B bus or from the B bus to the A bus depending  
upon the logic levels at the output-enable (OEBA  
and OEAB) inputs. The output-enable inputs can  
be used to disable the device so that the buses are  
effectively isolated.  
SN54F243 . . . FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18  
NC  
NC  
B1  
A1  
NC  
A2  
4
5
6
7
8
17  
16  
15  
14  
NC  
B2  
NC  
A3  
The dual-enable configuration gives the  
quadruple bus transceivers the capability to store  
data by simultaneous enabling of OEBA and  
OEAB. Each output reinforces its input in this  
transceiver configuration. Thus, when both control  
inputs are enabled and all other data sources to  
the two sets of bus lines are at high impedance,  
both sets of bus lines (eight in all) remain at their  
states. The 4-bit codes appearing on the two sets  
of buses will be identical for the F243.  
9 10 11 12 13  
NC − No internal connection  
The SN54F243 is characterized for operation over  
the full military temperature range of 55°C to  
125°C. The SN74F243 is characterized for  
operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
FUNCTION  
OEBA  
OEAB  
L
H
H
L
H
L
A to B  
B to A  
Isolation  
Latch A and B  
(A = B)  
L
H
ꢓꢦ  
Copyright 1993, Texas Instruments Incorporated  
ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
2−1  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443  

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