ACE24LA128A

Two-wire Serial EEPROM

VER 1.1

9

Lock Identification Page:

The Lock Identification Page instruction (Lock ID) permanently locks the Identification page in Read-only

mode. The Lock ID instruction is similar to Byte Write (into memory array) with the following specific

conditions:

Device type identifier = 1011b

Address bit B10 must be ‘1’; all other address bits are don't care

The data byte must be equal to the binary value xxxx xx1x, where x is don't care

Figure 5: Byte write

Figure 6: Page write

Figure 7: Current Address Read