| Part Number | MM74C927 Datasheet |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | These CMOS counters consist of a 4-digit counter an internal output latch NPN output sourcing drivers for a 7-segment display and an internal multiplexing circuitry with four multiplexing outputs The . Y Y Y Y Wide supply voltage range Guaranteed noise margin High noise immunity High segment sourcing current Internal multiplexing circuitry 3V to 6V 1V 0 45 VCC (typ ) 40 mA VCC b 1 6V VCC e 5V Y Design Considerations Segment resistors are desirable to minimize power dissipation and chip heating. |