HC4020 Datasheet - Texas Instruments

HC4020 14-BIT ASYNCHRONOUS BINARY COUNTERS

ordering information NC * No internal connection 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.

SN54HC4020, SN74HC4020 14ĆBIT ASYNCHRONOUS BINARY COUNTERS D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 80-µA Max ICC SN54HC4020 . . . J OR W PACKAGE SN74HC4020 . . . D, DB, N, NS, OR PW PACKAGE (TOP VIEW) SCLS158E DECEMBER 1982 REVISED SEPTEMBER 2003 D Typical tpd = 12 ns D ±4-mA Output Drive at 5 V D Low Input Current of 1 µA Max SN54HC4020 . . . FK PACKAGE (TOP VIEW) QK VCC NC QL QM QL 1 QM 2 QN 3 QF.

HC4020 Datasheet (1.20 MB)