AT29LV020-20JC View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
AT29LV020-20JC Datasheet PDF : 15 Pages
| |||
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
Software Protected Program Waveform
AT29LV020
Min
Max
Units
20
ms
10
ns
100
ns
100
ns
10
ns
200
ns
150
µs
200
ns
Notes:
1. A8 through A17 must specify the sector 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.
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 (256 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. 256 bytes of data MUST BE loaded.
9
0565C–FLASH–05/02
Share Link: 