MX29F022TQC-70 View Datasheet(PDF) - Macronix International

Part Name

Description

MFG CO.

MX29F022TQC-70

2M-BIT[256K x 8]CMOS FLASH MEMORY

Macronix International 

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MX29F022/022NT/B

CHIP UNPROTECTION ALGORITHM FOR SYSTEM WITH 12V

START

PLSCNT=1

Set OE=A9=VID

CE=VIL,A6=1

Activate WE Pulse

Time Out 12ms

Set OE=CE=VIL

A9=VID,A1=1

Read Data from Device

No

Data=00H?

Yes

Remove VID from A9

Write Reset Command

Chip Unprotect

Complete

Increment

PLSCNT

No

PLSCNT=1000?

Yes

Device Failed

P/N:PM0556

REV. 1.3, NOV. 11, 2002

34

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