1 / 4 da t a b r ief june 2000 complete data available under nda. ST1305d memory card ic 192 bit high endurance eeprom with secure logic access control and inlock system 5 v single supply voltage memory divided into: ? 16 bits of circuit identification ? 48 bits of card identification ? 48 bits of count data ? 16 bits of certificate ? 24 bits of transport code ? 64 bits of issuer data counting capability up to 262,144 circuit protected by transport code for delivery from st to the customer 5 external contacts only (iso 7816 compatible) answer to reset (fully compatible with iso 7816-3) e.s.d. protection greater than 4000 v power-on and low v cc reset inlock system on rst input pin more than 300,000 erase/write cycles more than 10 years data retention 3.5 ms programming time (typical) description the ST1305d is a 192-bit eeprom device with associated security logic to control memory access. the circuit includes counting capabilities and thus is very well adapted to prepaid card applications. the ST1305d is protected by hard-wired security logic and special fuses. the memory is arranged figure 1. logic diagram ai03730 rst v cc ST1305d gnd i/o clk table 1. signal names clk clock rst reset i/o serial data input/output v cc supply voltage gnd ground wafer micromodule (d15)
ST1305d 2/ 4 figure 2. d15 contact connections v cc gnd clk i/o rst ai03735 ST1305d as a matrix of 24x8 cells, accessed in a serial bit- wise fashion for reading and programming, and in a byte-wise fashion for internal erasing. modes the device works in two distinct modes of operation: ? issuer mode: for the card manufacturer. allowing custom data to be written to the device, to initialize it before release to the end user. ? user mode: for the end user of the card, with restricted, and controlled access to the device. external commands four distinct commands can be composed using the external contacts: ? reset: to reset the internal address counter to zero and to output the data on serial data input/ output (i/o) ? read: to increment the internal address counter and, if authorised, to output the data bit on serial data input/output (i/o) ? compare: to allow the presented code, on serial data input/output (i/o) in the issuer mode, to be compared against the internal transport code ? program: to program the bit at the current address. address space the internal address space of the ST1305d is divided into several zones, as shown in figure 3. the transport code area is available in the issuer mode. in the user mode, it becomes the counter area. figure 3. memory map ai03388 128d 192d issuer defined area read only in user configuration 64 bits circuit identification 000d 016d 064d 112d read only card identification counters / transport code certificate 16 bits eeprom cells matrix 48 bits 48 bits unused fuses 260d 16 bits read, write, erase
3 / 4 ST1305d ordering information the notation used for the device number is as shown in table 2. for a list of available options (speed, package, etc.) or for further information on any aspect of this device, please contact your nearest st sales office. table 2. ordering information scheme example: ST1305d ? w4 / xx yy delivery form transport code d15 micromodule on super 35 mm reel given by st w4 wafer (180 m thickness) customer code given by the issuer
s t 1305d 4 /4 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publicati on are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics prod ucts are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectro nics. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners ? 2 0 0 0 s t m i c r oe l e c t r o n i c s - a l l r i gh t s r e s e r v ed bull cp8 patents stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - italy - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states www.st.com
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