KKE4436 intelligent 221-bit eeprom counter for > 20000 units with security logic and high s ecu rity authenti cati on features ? 221 bit eeprom a nd 16 bit mask-programmable rom 104 bit user memory fully compatible with iz4406: ? 64 bit identif ication area ? 40 bit count er area including 1 bit f o r personalization ? 133 bit addit i onal memory for advan ced features ? 4 bit counte r backup (a nti-tearing flags) ? 1 bit initiat i o n flag for authenticatio n key.2 ? 16 bit data area 1 for free user access ? 48 bit authe n tication ke y.1 ? either 64 bit data area 2 for user defined data or 48 bit authe n tication ke y.2 ? counter with up to 333 52 count units fully comp atible with iz44 06 ? due to testing purposes a maxi mum of 21064 co unt units is guaranteed ? counter tearing p rotection ? backup feat ure activated at choice ? high security authen tication module ? random nu mber as challenge ? individual se cret authent ication key.1 ? optional individual secre t authenticat ion key.2 ? calculation of up to 16 b i t response ? calculation of a 16 bit re sponse within 30 ms at a clock fr equ ency of 100 khz ? transport code prote c tion for delivery ? chip la y o u t of security relevant areas protected against ph y s ic al / electrical signal anal y s is ? suppl y voltage 5 v 10 % ? suppl y current < 5 ma ? eeprom programming time 5 ms ? esd protec tion 4000 v ? endurance minimum of 10 5 w r ite / erase c y cle s per bit ? data retention for minimum of 10 y ears pin definitions and functions p a r a m e t e r s y m b o l test c o n d i t i o n c 1 v c c s u p p l y volta g e c2 rst control inpu t (reset) c 3 c l c c l o c k input c 5 g n d g r o u n d c 6 n . c . n o t connect e d c7 i/o bidirectiona l data line (o pen drain) ize4406 comes as an m3 wire-bonded module for embedding in plastic cards and as a die for customer packaging.
electrical characteristics absolute maximum ratings p a r a m e t e r s y m b o l l i m i t v a l u e s u n i t c o m m e n t s m i n . m a x . supply voltage input voltage v cc v i -0.35 -0.35 7.0 7.0 v v - - storage temperature t stg - 4 0 1 2 5 c power dissipation p tot 4 0 m w - esd protec tion 4000 v operating range p a r a m e t e r s y m b o l l i m i t v a l u e s u n i t t e s t condition m i n . t y p . m a x . supply voltage v cc 4 . 5 5 . 0 5 . 5 v supply current i cc 2 . 5 5 . 0 ma v cc =5 v ambient temperature t a -35 80 c dc characteristics p a r a m e t e r s y mbol l i m i t v a l u e s u n i t t e s t condition m i n . t y p . m a x . h-input voltage (i/o, cl c, rst) v ih 3 . 5 - v cc v - l-input voltage (i/o,clc,rst) v il 0 - 0 . 8 v - l-output voltage v ol - - 0 . 5 v i ol =0.5ma (open drain) h-leakage current i oh - - 1 0 a v oh = v cc (open drain) ac characteristics p a r a m e t e r s y mbol l i m i t v a l u e s u n i t t e s t condition m i n . t y p . m a x . clc h-level (set address) t h 5 - - s - clc l-level (set address) t l 5 - - s - clc h-level (write) t hw 5 - - m s v cc 4.5 v t hw 3 - - m s 5v v cc 5/5 v KKE4436
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