A49LF040TL-33C View Datasheet(PDF) - AMIC Technology

Part Name

Description

MFG CO.

A49LF040TL-33C

4 Mbit CMOS 3.3Volt-only Low Pin Count Flash Memory

AMIC Technology 

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Figure 21: Automatic Chip Erase Algorithm

Start

Write Command

Address: 5555H

Data: AAH

Write Command

Address: 2AAAH

Data: 55H

Write Command

Address: 5555H

Data: 80H

Write Command

Address: 5555H

Data: AAH

Write Command

Address: 2AAAH

Data: 55H

Write Command

Address: 5555H

Data: 10H

A49LF040

NO

I/O7 = Data ?

Or

I/O6 Stop Toggle?

YES

Chip Erase

Completed

PRELIMINARY (August, 2004, Version 0.1)

26

AMIC Technology, Corp.

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