The CD54HCT161 is obsolete and no longer is supplied.
Data sheet acquired from Harris Semiconductor SCHS154D February 1998 - Revised October 2003 CD54/74HC161, CD54/74HCT161, CD54/74HC163, CD54/74HCT163 High-Speed CMOS Logic Presettable Counters [ /Title (CD74 HC161 , CD74 HCT16 1, CD74 HC163 , CD74 HCT16 3) /Subject (High Speed CMOS Logic Presettable Counte rs) /Autho r () /Keywords (High Speed CMOS Logic Presettable Counte rs, High Speed Features • ’HC161, ’HCT161 4-Bit Binary Counter, Asynchronous Reset • ’HC163, ’HCT163 4-Bit Binary Counter, Synchronous Reset • Synchronous Counting and Loading • Two Count Enable Inputs for n-Bit Cascading • Look-Ahead Carry for High-Speed Counting • F...

Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)