.
NTE849 - Integrated Circuit TV Horizontal/Vertical Countdown Digital Sync System
NTE1739 - Integrated Circuit TV Horizontal/Vertical Countdown Digital Sync System
NTE874 - Integrated Circuit TV Horiz/Vert Countdown System Circuit
2436 - COUNTDOWNPOWERTIMER
ULQ2436M - COUNTDOWN POWER TIMER
DL927 - 4-DIGIT COUNTDOWN/UP TIMER
