AS29F040 데이터 시트보기 (PDF) - Alliance Semiconductor

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AS29F040

5V 512K x 8 CMOS FLASH EEPROM

Alliance Semiconductor 

$65<)373

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Start

VA* = 0000h

Is VA = VA_Start†?

Increment VA

NO

Program byte with 00h

ADDR = VA

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Program byte with 00h

ADDR =VA

YES

NO

Increment VA

Is VA = 7FFFFh?

YES

Reset VA = 0000

Program byte with customer data

ADDR =VA

Verify data

ADDR = VA

NO

Increment VA

Is VA = VA_End**?

YES

Increment VA

* VA = Current Address

† VA_Start = Starting Address of Customer Code

** VA_End = Ending Address of Customer Code

Verify OK?

NO

FAIL

YES

NO

IncrementVA

Is VA = VA_End?

YES

PASS

43

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