DM74LS247
DM74LS247 is BCD to 7-Segment Decoder/Driver manufactured by National Semiconductor.
DM74LS247 BCD to 7-Segment Decoder Driver with Open-Collector Outputs
DM74LS247 BCD to 7-Segment Decoder Driver with Open-Collector Outputs
General Description
The ’LS247 has active LOW open-collector outputs guaranteed to sink 24 m A It has the same electrial characteristics and pin connections as the ’LS47 The only difference is that the ’LS247 will light the top bar (segment a) for numeral 6 and the bottom bar (segment d) for number 9 For detailed description and specifications please refer to the ’LS47 data sheet
Connection Diagram
Logic Symbol
Dual-In-Line Package
May 1992
TL F 9822
- 1
Order Number DM74LS247M or DM74LS247N See NS Package Number M16A or N16E
VCC e Pin 16 GND e Pin 8
Pin Names A0
- A3 RBI LT BI RBO a- g
Description
BCD Inputs Ripple Blanking Input (Active LOW) Lamp Test Input (Active LOW) Blanking Input (Avtive LOW) or Ripple Blanking Output (Active LOW) Segment Outputs (Active LOW)
TL F 9822
- 2
C1995 National Semiconductor Corporation TL F 9822
RRD-B30M115 Printed in U S...