National Semiconductor 54LS49
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...| Part No. | 54LS49 |
|---|---|
| Datasheet | 54LS49 Download |
| Manufacturer |  National Semiconductor |
| Description | BCD to 7-Segment Decoder |
| Buy | Stock & Price |
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–gDESCRIPTION
BCD Inputs Blanking Input (Active LOW) Segment Outputs (Active HIGH) Numerical Designations Resultant Displays TL F 10204 – 2 TL F 10204 – 3 C1995 National Semiconductor Corporation TL F 10204 RRD-B30M105 Printed in U S AABSOLUTE MAXIMUM RATINGS
(Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7V Input Voltage 5 5V Operating Free Air Temperature Range 54LS...
