AT29LV512-12JI Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
AT29LV512-12JI Datasheet PDF : 14 Pages
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Program Cycle Characteristics
Symbol
tWC
tAS
tAH
tDS
tDH
tWP
tBLC
tWPH
Parameter
Write Cycle Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
Min
Max
Units
20
ms
0
ns
100
ns
100
ns
10
ns
200
ns
150
µs
200
ns
Software Protected Program Waveform(1)(2)(3)
Notes:
1. OE must be high when WE and CE are both low.
2. A7 through A15 must specify the sector address during each high-to-low transition of WE (or CE) after the software code
has been entered.
3. All bytes that are not loaded within the sector being programmed will be indeterminate.
Programming Algorithm(1)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA A0
TO
ADDRESS 5555
WRITES ENABLED
LOAD DATA
TO
SECTOR (128 BYTES)(3)
ENTER DATA
PROTECT STATE(2)
Notes: 1. Data Format: I/O7 - I/O0 (Hex); Address Format: A14 - A0 (Hex).
2. Data Protect state will be re-activated at end of program cycle.
3. 128 bytes of data MUST BE loaded.
8 AT29LV512
0177M–05/02
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