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DM5447A PDF预览

DM5447A

更新时间: 2024-10-26 22:36:39
品牌 Logo 应用领域
美国国家半导体 - NSC 解码器驱动器
页数 文件大小 规格书
6页 121K
描述
BCD to 7-Segment Decoders/Drivers

DM5447A 数据手册

 浏览型号DM5447A的Datasheet PDF文件第2页浏览型号DM5447A的Datasheet PDF文件第3页浏览型号DM5447A的Datasheet PDF文件第4页浏览型号DM5447A的Datasheet PDF文件第5页浏览型号DM5447A的Datasheet PDF文件第6页 
June 1989  
DM7446A, DM5447A/DM7447A  
BCD to 7-Segment Decoders/Drivers  
General Description  
The 46A and 47A feature active-low outputs designed for  
driving common-anode LEDs or incandescent indicators di-  
rectly. All of the circuits have full ripple-blanking input/out-  
put controls and a lamp test input. Segment identification  
and resultant displays are shown on a following page. Dis-  
play patterns for BCD input counts above nine are unique  
symbols to authenticate input conditions.  
an overriding blanking input (BI) which can be used to con-  
trol the lamp intensity (by pulsing) or to inhibit the outputs.  
Features  
Y
All circuit types feature lamp intensity modulation  
capability  
Y
Open-collector outputs drive indicators directly  
All of the circuits incorporate automatic leading and/or trail-  
ing-edge, zero-blanking control (RBI and RBO). Lamp test  
(LT) of these devices may be performed at any time when  
the BI/RBO node is at a high logic level. All types contain  
Y
Lamp-test provision  
Y
Leading/trailing zero suppression  
Connection Diagram  
Dual-In-Line Package  
TL/F/6518–1  
Order Number DM5447AJ, DM7446AN or DM7447AN  
See NS Package Number J16A or N16E  
C
1995 National Semiconductor Corporation  
TL/F/6518  
RRD-B30M105/Printed in U. S. A.  

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