MX29F002BQC-70 View Datasheet(PDF) - Macronix International

Part Name

Description

MFG CO.

MX29F002BQC-70

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

Macronix International 

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MX29F002/002N T/B

SECTOR PROTECTION ALGORITHM FOR SYSTEM WITH 12V

START

Set Up Sector Addr

(A17,A16,A15,A14,A13)

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

No

Addr=SA, A1=1

PLSCNT=32?

No

Data=01H?

.

Yes

Device Failed

Protect Another

Yes

Sector?

Remove VID from A9

Write Reset Command

Sector Protection

Complete

P/N: PM0547

REV. 1.5, MAR. 28, 2005

34

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