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SN54F243FK PDF预览

SN54F243FK

更新时间： 2024-09-15 09:17:59
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
页数 文件大小 规格书
5页 77K
描述
QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN54F243FK 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QLCC包装说明：QCCN, LCC20,.35SQ
针数：20Reach Compliance Code：not_compliant
ECCN代码：3A001.A.2.CHTS代码：8542.39.00.01
风险等级：5.41Is Samacsys：N
其他特性：WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION控制类型：INDEPENDENT CONTROL
计数方向：BIDIRECTIONAL系列：F/FAST
JESD-30 代码：S-CQCC-N20长度：8.89 mm
负载电容（CL）：50 pF逻辑集成电路类型：BUS TRANSCEIVER
最大I（ol）：0.048 A位数：4
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：-55 °C输出特性：3-STATE
输出极性：TRUE封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：QCCN封装等效代码：LCC20,.35SQ
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
最大电源电流（ICC）：90 mAProp。Delay @ Nom-Sup：8.5 ns
传播延迟（tpd）：8.5 ns认证状态：Not Qualified
座面最大高度：2.03 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：TTL温度等级：MILITARY
端子形式：NO LEAD端子节距：1.27 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
翻译：N/A宽度：8.89 mm
Base Number Matches：1

SN54F243FK 数据手册

 浏览型号SN54F243FK的Datasheet PDF文件第2页浏览型号SN54F243FK的Datasheet PDF文件第3页浏览型号SN54F243FK的Datasheet PDF文件第4页浏览型号SN54F243FK的Datasheet PDF文件第5页 
SN54F243, SN74F243  
QUADRUPLE BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
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  
• Package Options Include Plastic  
Small-Outline Packages, Ceramic Chip  
Carriers, and Standard Plastic and Ceramic  
300-mil DIPs  
OEAB  
NC  
V
CC  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
OEBA  
NC  
B1  
A1  
A2  
A3  
B2  
A4  
B3  
description  
GND  
B4  
8
These quadruple bus transceivers are designed  
for asynchronous communications between data  
buses. Thecontrolfunctionimplementationallows  
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  
transceiverconfiguration. Thus, whenbothcontrol  
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
Copyright 1993, 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.  
2–1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345

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SN54F243FK-00 TI

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 		F/FAST SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20
SN54F243FKR TI

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 		F/FAST SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
SN54F243J TI

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 		QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54F244 TI

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SN54F244_07 TI

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 		OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54F244_16 TI

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 		OCTAL BUFFERS/DRIVERS
SN54F244FK TI

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 		OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54F244FK-00 TI

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 		F/FAST SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20
SN54F244FKR TI

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 		F/FAST SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
SN54F244J TI

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 		OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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