Product Overview MC74ACT161: Synchronous Presettable Binary Counter For complete documentation, see the data sheet Product Description The MC74AC161/74ACT161 and MC74AC163/74ACT163 are high-speed synchronous modulo-16 binary counters. They are synchronously presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming synchronous multistage counters. The MC74AC161/74ACT161 has an asynchronous Master Reset input that overrides all other inputs and forces the outputs LOW. The MC74AC163/ 74ACT163 has a Synchronous Reset input that overrides counting and parallel loading and allows the outputs to be simultaneously reset on the rising edge of the clock. Features • • • • • • Synchronous Counting and Loading High-Speed Synchronous Expansion Typical Count Rate of 125 MHz Outputs Source/Sink 24 mA ACT161 and ACT163 Have TTL Compatible Inputs These devices are available in Pb-free package(s). Specifications herein apply to both standard and Pb-free devices. Please see our website at www.onsemi.com for specific Pb-free orderable part numbers, or contact your local ON Semiconductor sales office or representative. Part Electrical Specifications Product Compliance Status Type VCC Min (V) VCC Max (V) tpd Max (ns) PD Max (W) IO Max (mA) Package Type MC74ACT161DG Pb-free Active Counter 4.5 5.5 10.5 0.35 24 SOIC-16 Active Counter 4.5 5.5 10.5 0.35 24 SOIC-16 Halide free MC74ACT161DR2G Pb-free Halide free For more information please contact your local sales support at www.onsemi.com Created on: 6/30/2016