W27E257P-12 View Datasheet(PDF) - Winbond

Part Name

Description

View to exact match

W27E257P-12

32K x 8 ELECTRICALLY ERASABLE EPROM

Winbond 

W27E257

SMART PROGRAMMING ALGORITHM

Start

Address = First Location

Vcc = 5V

Vpp = 12V

X=0

Program One 100 µS Pulse

Increment X

Fail

Increment No

Address

Yes

X = 25?

No

Verify

One Byte

Pass

Last

Address?

Yes

Vcc = 5V

Vpp = 5V

Verify

Fail

One Byte

Pass

Compare

Fail

All Bytes to

Original Data

Pass

Pass

Device

Fail

Device

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