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 PROTECTION ALGORITHM FOR SYSTEM WITH 12V

Device Failed

No

PLSCNT=32?

Yes

Device Failed

START

PLSCNT=1

OE=VID,A9=VID,CE=VIL

A6=VIL

Activate WE Pulse

Time Out 10us

Set WE=VIH, CE=OE=VIL

A9 should remain VID

Read from Sector

Addr=SA, A1=1

No

Data=01H?

Yes

Remove VID from A9

Write Reset Command

Chip Protection

Complete

P/N:PM0556

REV. 1.3, NOV. 11, 2002

33

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