74ACT11867 SYNCHRONOUS 8-BIT UP/DOWN BINARY COUNTER WITH ASYNCHRONOUS CLEAR SCAS178 – D3990, DECEMBER 1991 – REVISED APRIL 1993 • Inputs Are TTL-Voltage Compatible • Asynchronous Clear DW PACKAGE (TOP VIEW) • Fully Independent Clock Circuit Simplifies Use • Flow-Through Architecture Optimizes PCB Layout • Center-Pin VCC and GND Configurations Minimize High-Speed Switching Noise QA QB QC QD QE GND 1 2 3 4 5 6 28 A 27 B 26 C 25 D 24 E 23 F • EPIC™ (Enhanced-Performance Implanted CMOS) 1-µm Process • 500-mA Typical Latch-Up Immunity at 125°C GND GND GND QF 7 8 9 10 22 VCC 21 VCC 20 G 19 H description The 74ACT11867 is a synchronous presettable QG QH RCO 11 12 13 18 ENP 17 ENT 16 S...

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