M24LR64-R_1006 Datasheet, PDF (55/128 Pages) STMicroelectronics – 64 Kbit EEPROM with password protection & dual interface

M24LR64-R
13 Unique identifier (UID)
Unique identifier (UID)
The M24LR64-R is uniquely identified by a 64-bit unique identifier (UID). This UID complies
with ISO/IEC 15963 and ISO/IEC 7816-6. The UID is a read-only code and comprises:
● 8 MSBs with a value of E0h
● The IC manufacturer code of ST 02h, on 8 bits (ISO/IEC 7816-6/AM1)
● a unique serial number on 48 bits
Table 18. UID format
MSB
LSB
63
56 55
48 47
0
0xE0
0x02
Unique serial number
With the UID each M24LR64-R can be addressed uniquely and individually during the
anticollision loop and for one-to-one exchanges between a VCD and an M24LR64-R.
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