SLE4428 Datasheet, PDF (4/17 Pages) Siemens Semiconductor Group – ICs for Chip Cards

Intelligent 1-KByte EEPROM with Write Protect Function
Intelligent 1-KByte EEPROM with Write Protect Function
and Programmable Security Code (PSC)
SLE 4418
SLE 4428
Features
q 1024 x 8 bit EEPROM organization
q Byte-wise addressing
q Irreversible byte-wise write protection
q 1024 x 1 bit protection memory organization
q Serial three-wire bus
q End of programming indicated on data output
q Minimum of 10⁴ write/erase cycles
q Data retention for minimum of ten years
q Contact configuration and serial interface in accordance to
ISO standard 7816 (synchronous transmission)
Additional Feature of SLE 4428
q Data can only be changed after entry of the correct
2-byte programmable security code (PSC)
M2.2
Type
SLE 4418 C
SLE 4418 M2.2
SLE 4428 C
SLE 4428 M2.2
Ordering Code
on request
on request
on request
on request
Package
Chip
Wire-Bonded Module M2.2
Chip
Wire-Bonded Module M2.2
Semiconductor Group
1
04.94