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AT29C1024-70TI Datasheet(PDF) 8 Page - ATMEL Corporation

Part No. AT29C1024-70TI
Description  1 Megabit 64K x 16 5-volt Only CMOS Flash Memory
Download  12 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT29C1024-70TI Datasheet(HTML) 8 Page - ATMEL Corporation

 
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Software Protected Program Cycle Waveform
(1, 2, 3)
Notes: 1. A7 through A15 must specify the same page address
during each high to low transition of WE (or CE) after
the software code has been entered.
2. OE must be high when WE and CE are both low.
3. All words that are not loaded within the sector being
programmed will be indeterminate.
LOAD DATA
TO
SECTOR (128 WORDS)
(4)
LOAD DATA A0A0
TO
ADDRESS 5555
LOAD DATA 5555
TO
ADDRESS 2AAA
LOAD DATA AAAA
TO
ADDRESS 5555
Notes for software program code:
1. Data Format: I/O15 - I/O0 (Hex);
Address Format: A14 - A0 (Hex).
2. Write Protect state will be activated at end of write period
even if no other data is loaded.
3. Write Protect state will be deactivated at end of write period
even if no other data is loaded.
4. 128 words of data MUST BE loaded.
ENTER DATA
PROTECT STATE
(2)
WRITES ENABLED
Software Data
Protection Enable Algorithm
(1)
LOAD DATA XXXX
TO
SECTOR (128 WORDS)
(4)
LOAD DATA 5555
TO
ADDRESS 2AAA
LOAD DATA AAAA
TO
ADDRESS 5555
LOAD DATA 8080
TO
ADDRESS 5555
LOAD DATA 5555
TO
ADDRESS 2AAA
LOAD DATA AAAA
TO
ADDRESS 5555
LOAD DATA 2020
TO
ADDRESS 5555
EXIT DATA
PROTECT STATE
(3)
Software Data
Protection Disable Algorithm
(1)
4-148
AT29C1024


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