4-Digit Counters With Multiplexed 7-Segment Output Drivers

The MM74C925 and MM74C926 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 advance on negative edge of Clock A HIGH signal on the Reset input will reset the Counter to zero, and reset the carry-out LOW. A LOW signal on the Latch Enable input will latch the number in the Counters into the internal output Latches A HIGH signal on Display Select input will select the number in the Counter to be displayed; a LOW level signal on the Display Select will select the number in the output latch to be displayed.
The MM74C925 is a 4-decade Counter and has Latch Enable, Clock and Reset inputs.
The MM74C926 is like the MM74C925 except that it has a Display select and a carry-out used for cascading Counters The carry-out signal goes HIGH at 6000, goes back LOW at 0000.
By Fairchild Semiconductor
MM74C926 's PackagesMM74C926 's pdf datasheet
MM74C926N DIP




MM74C926 Pinout, Pinouts
MM74C926 pinout,Pin out
This is one package pinout of MM74C926,If you need more pinouts please download MM74C926's pdf datasheet.

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