SN74HC4020 - 14-Bit Asynchronous Binary Counters
The ’HC4020 devices are 14-stage binary ripple-carry counters that advance on the negative-going edge of the clock pulse.
The counters are reset to zero (all outputs low) independently of the clock (CLK) input when the clear (CLR) input goes high.
PART NUMBER SN74HC4020D SN74HC4020N SN74HC4020NS S
