10

0520F–FLASH–9/08

AT29LV010A

17. Software Protected Program Waveform

Notes:

1. OE must be high when WE and CE are both low.

2. A7 through A16 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.

18. Programming Algorithm(1)

16. Program Cycle Characteristics

Symbol

Parameter

Min

Max

Units

t

WC

Write Cycle Time

20

ms

Address Set-up Time

10

ns

t

AH

Address Hold Time

100

ns

Data Set-up Time

100

ns

Data Hold Time

10

ns

t

WP

Write Pulse Width

200

ns

Byte Load Cycle Time

150

μs

Write Pulse Width High

200

ns

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA A0

TO

ADDRESS 5555

LOAD DATA

TO

WRITES ENABLED

ENTER DATA

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.