11

AT28C010-12DK

4259C–AERO–05/05

Chip Erase Waveforms

Software Data

Figure 1. Protection Enable Algorithm

(1)

Notes:

1. Data Format: I/O7 - I/O0 (Hex);

Address Format: A14 - A0 (Hex).

2. Write Protect state will be activated at end of write even if no other data is loaded.

3. 1 to 128 bytes of data are loaded.

t

t

V

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA A0

TO

ADDRESS 5555

LOAD DATA XX

TO

LOAD LAST BYTE

TO

LAST ADDRESS

ENTER DATA

PROTECT STATE