AT28LV010-20 데이터 시트보기 (PDF) - Atmel Corporation
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AT28LV010-20 Datasheet PDF : 15 Pages
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16. Software Protected Write Characteristics
Symbol Parameter
Min
tWC
Write Cycle Time
tAS
Address Set-up Time
0
tAH
Address Hold Time
100
tDS
Data Set-up Time
100
tDH
Data Hold Time
10
tWP
Write Pulse Width
200
tBLC
Byte Load Cycle Time
tWPH
Write Pulse Width High
100
17. Programming Algorithm
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA A0
TO
ADDRESS 5555
WRITES ENABLED(2)
LOAD DATA XX
TO
ANY ADDRESS(3)
Notes:
LOAD LAST BYTE
TO
LAST ADDRESS(3)
ENTER DATA
PROTECT STATE
1. Data Format: I/O7 - I/O0 (Hex); Address Format: A14 - A0 (Hex).
2. Data protect state will be re-activated at the end of program cycle.
3. 1 to 128 bytes of data are loaded.
18. Software Protected Program Cycle Waveforms(1)(2)(3)
AT28LV010
Max
Units
10
ms
ns
ns
ns
ns
ns
150
µs
ns
Notes:
1. A0 - A14 must conform to the addressing sequence for the first three 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.
9
0395D–PEEPR–10/06
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