Datasheet Summary
54LS49 BCD to 7-Segment Decoder
54LS49 BCD to 7-Segment Decoder
General Description
The 54LS49 translates four lines of BCD (8421) input data into the 7-segment numeral code as shown in the Function Table It has open-collector outputs and is logically the 14pin verson of the ’48 without the lamp test and ripple blanking Features
Also see the ’LS249 data sheet
Connection Diagram
Dual-In-Line Package
Logic Symbol
June 1989
TL F 10204
- 1
Order Number 54LS49DMQB or 54LS49FMQB See NS Package Number J14A or W14B
VCC e Pin 14 GND e Pin 7
Pin Names
A0
- A3 BI a- g
Description
BCD Inputs Blanking Input (Active LOW) Segment Outputs (Active HIGH)
Numerical Designations Resultant...