Click to expand full text
Intelligent 221-Bit EEPROM Counter for > 20000 Units with Security Logic and High Security Authentication
w
a D .221 bit EEPROM and 16 bit mask-programmable ROM wbit user memory fully compatible with IZ4406: 104 w • 64 bit Identification Area
• • • •
40 bit Counter Area including 1 bit for personalization 133 bit additional memory for advanced features 4 bit Counter Backup (anti-tearing flags) 1 bit Initiation Flag for Authentication Key.2 • 16 bit Data Area 1 for free user access • 48 bit Authentication Key.1 • either 64 bit Data Area 2 for user defined data or 48 bit Authentication Key.2 • Due to testing purposes a maximum of 21064 count units is guaranteed
Features
S a t
e e h
U 4 t
m o .
IZE4436 Datasheet
