W27C520 データシートの表示（PDF） - Winbond

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W27C520

64K x 8 ELECTRICALLY ERASABLE EPROM

Winbond 

Preliminary W27C520

SMART PROGRAMMING ALGORITHM 2

Start

Address = First Location

VDD = 6.5V

Increment

Address

X=0

Program One 50 µS Pulse

OE/Vpp = 13V

Increment X

X = 25?

Yes

No

Fail

Verify One Byte

Fail

Verify One Byte

OE/Vpp = V IL

OE/Vpp = V IL

Pass

No

Last Address

?

Yes

Power

Down

Pass

VDD =3.3or5.0V

Compare

Fail

All Bytes to

Original Data

Pass

Device

Passed

Device

Failed

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Publication Release Date: October 2000

Revision A1

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