MX29F001TQC-70 View Datasheet(PDF) - Macronix International

Part Name

Description

MFG CO.

MX29F001TQC-70

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

Macronix International 

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MX29F001T/B

CHIP UNPROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V

START

PLSCNT=1

Write "unlock for chip protect/unprotect"

Command (Table 1)

Set OE=A9=VIH

CE=VIL,A6=1

Activate WE Pulse to start

Data don't care

No

Toggle bit checking

DQ6 not Toggled

Yes

Set OE=CE=VIL

A9=VIH,A1=1

Read Data from Device

No

Data=00H?

Yes

Write Reset Command

Chip Unprotect

Complete

Increment

PLSCNT

No

PLSCNT=1000?

Yes

Device Failed

P/N: PM0515

REV. 2.1, JUN. 14, 2001

35

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