DS2432 PDF datasheet can download.
This product has 1k-Bit Protected 1-Wire EEPROM with SHA-1 Engine functions.
This is one of the semiconductor types. This part name is DS2432.
Manufacturers of the product is Dallas Semiconducotr.
Image and pinout :
Some of the text files within the PDF file
Preliminary DS2432 1k-Bit Protected 1-Wire™ EEPROM with SHA-1 Engine www.dalsemi.com FEATURES 1128 bits of 5V EEPROM memory partitioned into four pages of 256 bits, a 64-bit write-only secret and up to 5 general purpose read/write registers On-chip 512-bit SHA-1 engine to compute 160-bit Message Authentication Codes (MAC) and to generate secrets Write access requires knowledge of the secret and the capability of computing and transmitting a 160-bit MAC as authorization Secret and data memory can be write-protected (all or page 0 only) or put in EPROMemulation mode (“write to 0”, page 1) Unique, factory-lasered and tested 64-bit registration number assures absolute traceability because no two parts are alike Built-in multidrop controller ensures compatibility with other 1-Wire net products Reduces control, address, data and power to a single data pin Directly connects to a single port pin of a microprocessor and communicates at up to 16.3k bits per second Overdrive mode boosts c [ … ]
Please refer to the file for details.