Software Data
Protection Disable Algorithm(1)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 80
TO
ADDRESS 5555
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 20
TO
ADDRESS 5555
EXIT DATA
PROTECT STATE(3)
LOAD DATA XX
TO
ANY ADDRESS(4)
LOAD LAST BYTE
TO
LAST ADDRESS
Software Protected Program Cycle Waveform(1)(2)(3)
Notes: 1. A0 - A14 must conform to the addressing sequence for the first 3 bytes as shown above.
2. After the command sequence has been issued and a page write operation follows, the page
address inputs (A7 - A16) must be the same for each high to low transition of WE (or CE).
3. OE must be high only when WE and CE are both low.
10
AT28C010 Military
0010D–PEEPR–7/09
ATMEL [ ATMEL ]
