AS29LV800B-120SCB View Datasheet(PDF) - ANADIGICS

Part Name

Description

MFG CO.

AS29LV800B-120SCB

3V 1M × 8/512K × 16 CMOS Flash EEPROM

ANADIGICS 

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March 2001

DATA polling algorithm

Read byte (DQ0–DQ7)

Address = VA†

®

Toggle bit algorithm

AS29LV800

Read byte (DQ0–DQ7)

Address = don’t care

DQ7

=

data

YES DONE

?

NO

DQ5

NO

=

1

?

YES

Read byte (DQ0–DQ7)

Address = VA

DQ6

=

toggle

NO DONE

?

YES

DQ5

NO

=

1

?

YES

Read byte (DQ0–DQ7)

Address = don’t care

DQ7

=

data‡

YES† DONE

?

NO†

FAIL

† VA = Byte address for programming. VA = any of the sector

addresses within the sector being erased during Sector Erase. VA

= valid address equals any non-protected sector group address

during Chip Erase.

‡ DQ7 rechecked even if DQ5 = 1 because DQ5 and DQ7 may not

change simultaneously.

DQ6

togg=le†

NO DONE

?

YES

FAIL

†DQ6 rechecked even if DQ5 = 1 because DQ6 may stop toggling

when DQ5 changes to 1.

3/22/01; V.1.0

Alliance Semiconductor

P. 13 of 25

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