Part number:
MM74C928
Manufacturer:
National
File Size:
204.58 KB
Description:
4-digit counters with multiplexed 7-segment output drivers.
MM74C928_NationalSemiconductor.pdf
Datasheet Details
Part number:
MM74C928
Manufacturer:
National
File Size:
204.58 KB
Description:
4-digit counters with multiplexed 7-segment output drivers.
MM74C928, 4-Digit Counters with Multiplexed 7-Segment Output Drivers
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 multiplexing circuit has its own free-running oscillator and requires no external clock The counters
MM74C928 Features
* 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
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