MX29F004TQC-12 View Datasheet(PDF) - Macronix International

Part Name

Description

MFG CO.

MX29F004TQC-12

4M-BIT [512KX8] CMOS FLASH MEMORY

Macronix International 

Prev 21 22 23 24 25 26 27 28 29 30 Next

MX29F004T/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

Q6 not Toggled

Yes

Set CE=OE=VIL

A9=VIH

Read Data from chip,

A1=1

No

Data=01H?

Write Reset Command

Chip Protection

Complete

P/N:PM0554

REV. 1.9, OCT. 19, 2004

30

Share Link: