S29AL008J70BFI020 datasheet(23/54 Pages) SPANSION

Part #	S29AL008J70BFI020

Description	8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory

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Manufacturer	SPANSION [SPANSION]

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April 12, 2012 S29AL008J_00_11

S29AL008J

23

Data

She e t

The Secured Silicon Sector protection must be used with caution since, once protected, there is no procedure

available for unprotecting the Secured Silicon Sector area, and none of the bits in the Secured Silicon Sector

memory space can be modified in any way.

Figure 8.1 Secured Silicon Sector Protect Verify

Write 60h to

any address

Write 40h to SecSi

Sector address

with A0=0, A1=1,

A2=0, A3=1, A4=1,

A5=0, A6=0, A7=0

START

RESET# = VID

Wait 1 ms

Read from SecSi

Sector address

with A0=0, A1=1,

A2=0, A3=1, A4=1,

A5=0, A6=0, A7=0

If data = 00h,

SecSi Sector is

unprotected.

If data = 01h,

SecSi Sector is

protected.

Remove VID

from RESET#

Write reset

command

SecSi Sector

Protect Verify

complete

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Advanced Micro Devices	AM29LV800B	569Kb / 42P	8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
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SPANSION	S29AL008J70TFI020	1Mb / 54P	8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
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S29AL008J70BFI020 Datasheet(PDF) 23 Page - SPANSION

S29AL008J70BFI020 Datasheet(HTML) 23 Page - SPANSION

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