IZE4442 Description
Block Diagram Memory Overview IZE4442 Figure 1 Memory Overview The IZE4442 consists of 256 x 8 bit EEPROM main memory and a 32-bit protection memory with PROM functionality. The main memory is erased and written byte by byte. When erased, all 8 bits of a data byte are set to logical one.
IZE4442 Key Features
- 256 x 8-bit EEPROM organization
- Byte-wise addressing
- Irreversible byte-wise write protection of lowest
- 32 addresses (Byte 0...31)
- 32 x 1-bit organization of protection memory
- Two-wire link protocol
- End of processing indicated at data output
- Answer-to-Reset ace. to ISO standard 7816-3
- Programming time 2.5 ms per byte for both erasing
- and writing