at29lv1024 ATMEL Corporation, at29lv1024 Datasheet - Page 7

• Manufacturer Part Number: at29lv1024
• Description: At29lv1024 1-megabit 64k X 16 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Program Cycle Characteristics
Software Protected Program Waveform
Notes:
Programming Algorithm
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
WLC
WPH
1.
2.
3.
SECTOR (128 BYTES)
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.
OE must be high when WE and CE are both low.
All words that are not loaded within the sector being programmed will be indeterminate.
LOAD DATA A0A0
LOAD DATA AAAA
Parameter
Write Cycle Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Word Load Cycle Time
Write Pulse Width High
LOAD DATA 5555
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
LOAD DATA
TO
TO
TO
TO
(3)
WRITES ENABLED
ENTER DATA
PROTECT STATE
(1)
(2)
Notes for software program code:
1. Data Format: I/O7 - I/O0 (Hex);
2. Data Protect state will be re-activated at end of program
3. 128 words of data MUST BE loaded.
(1)(2)(3)
Address Format: A14 - A0 (Hex).
cycle.
Min
100
100
200
200
0
0
AT29LV1024
Max
150
20
Units
ms
µs
ns
ns
ns
ns
ns
ns
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