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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 S0
binary counter featuring an internal carry
CLK 14 15 S1
look-ahead for cascading in high-speed
74ACT11867 Datasheet
