95HS01

NM95HS01 NM95HS02 HiSeC High Security Rolling Code Generator www.DataSheet4U.com February 1996 NM95HS01 NM95HS02 HiSeCTM High Security Rolling Code Generator General Description Features The NM95HS01 02 HiSeC Rolling Code Generator is a small footprint monolithic CMOS device designed to provide a complete low-cost high security solution to the problem of generating encrypted signals for remote keyless entry (RKE) applications The NM95HS01 02 generates a fully encoded bit stream each time one of (up to) 4 switch inputs is activated The patented coding scheme utilizes 248 possible user-programmable coding combinations and features high linear complexity and correlation immunity High security is guaranteed by generating a unique (rolling) code for each transmission and can be further enhanced by creating customized algorithms for individual customers With this product each key can be designed to be both unique and highly secure Y High security coding scheme with 248 combinations Y High linear complexity and correlation immunity Y 2 2V to 6 5V operation Y Less than 1 mA standby current Y Full resynchronization capability Y Unique customized algorithm option Y 13 bytes on-chip non-volatile configuration memory Y RC or XTAL clock options for to 4 1 MHz operation Y Supports both IR and RF signal transmission Y Selection of bit coding and transmission frame formats Y Space saving narrow body SO8 or SO14 packages Y Up to 4 key switch inputs on SO14 package Applications The NM9...