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MM54HC245J-MIL PDF预览

MM54HC245J-MIL

更新时间: 2024-11-28 13:11:39
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
6页 130K
描述
IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,DIP,20PIN,CERAMIC

MM54HC245J-MIL 技术参数

是否Rohs认证:不符合生命周期:Obsolete
Reach Compliance Code:compliant风险等级:5.26
Is Samacsys:N控制类型:COMMON CONTROL
计数方向:BIDIRECTIONALJESD-30 代码:R-XDIP-T20
JESD-609代码:e0位数:8
功能数量:1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封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE电源:2/6 V
认证状态:Not Qualified筛选级别:MIL-STD-883 Class B (Modified)
子类别:Bus Driver/Transceivers表面贴装:NO
技术:CMOS温度等级:MILITARY
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
Base Number Matches:1

MM54HC245J-MIL 数据手册

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January 1988  
MM54HC245A/MM74HC245A  
Octal TRI-STATE Transceiver  
É
General Description  
This TRI-STATE bidirectional buffer utilizes advanced sili-  
con-gate CMOS technology, and is intended for two-way  
asynchronous communication between data buses. It has  
high drive current outputs which enable high speed opera-  
tion even when driving large bus capacitances. This circuit  
possesses the low power consumption and high noise im-  
This device can drive up to 15 LS-TTL Loads, and does not  
have Schmitt trigger inputs. All inputs are protected from  
damage due to static discharge by diodes to V  
ground.  
and  
CC  
Features  
munity usually associated with CMOS circuitry, yet has  
speeds comparable to low power Schottky TTL circuits.  
Y
Typical propagation delay: 13 ns  
Wide power supply range: 26V  
Low quiescent current: 80 mA maximum (74 HC)  
Y
This device has an active low enable input G and a direction  
control input, DIR. When DIR is high, data flows from the A  
Y
Y
TRI-STATE outputs for connection to bus oriented  
systems  
inputs to the B outputs. When DIR is low, data flows from  
B inputs to the A outputs. The MM54HC245A/  
the  
MM74HC245A transfers true data from one bus to the oth-  
er.  
Y
Y
High output drive: 6 mA (minimum)  
Same as the ’645  
Connection Diagram  
Dual-In-Line Package  
TL/F/5165–1  
Top View  
Order Number MM54HC245A or MM74HC245A  
Truth Table  
Control  
Inputs  
Operation  
G
DIR  
L
L
L
H
X
B data to A bus  
A data to B bus  
Isolation  
H
e
e
e
low level, X irrelevant  
H
high level, L  
TRI-STATEÉ is a registered trademark of National Semiconductor Corp.  
C
1995 National Semiconductor Corporation  
TL/F/5165  
RRD-B30M105/Printed in U. S. A.  

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