DM74LS247 Datasheet | Fairchild Semiconductor

DM74LS247 BCD to 7-Segment Decoder/Driver with Open-Collector Outputs March 1998 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 Dual-In-Line Package Logic Symbol DS009822-2 VCC = Pin 16 GND = Pin 8 DS009822-1 Order Number DM74LS247M or DM74LS247N See Package Number M16A or N16E Pin Names A0- A3 RBI LT BI/RBO a- g BCD Inputs Ripple Blanking Input (Active LOW) Lamp Test Input (Active LOW) Blanking Input (Active LOW) or Ripple Blanking Output (Active LOW) Segment Outputs (Active LOW) Description © 1998 Fairchild Semiconductor Corporation DS009822 .fairchildsemi....