MX29F001T Просмотр технического описания (PDF) - Macronix International

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MX29F001T

1M-BIT [128K x 8] CMOS FLASH MEMORY

Macronix International 

MX29F001T/B

CHIP PROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V

Increment PLSCNT

No

PLSCNT=32?

Yes

Device Failed

START

PLSCNT=1

Write "unlock for chip protect/unprotect"

Command(Table1)

OE=VIH,A9=VIH

CE=VIL,A6=VIL

Activate WE Pulse to start

Data don't care

Toggle bit checking

No

.

DQ6 not Toggled

Yes

Set CE=OE=VIL

A9=VIH

Raed from Sector

Addr=SA, A1=1

No

Data=01H?

Yes

Write Reset Command

Chip Protection

Complete

P/N: PM0515

REV. 2.1, JUN. 14, 2001

34

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