W27L02P-70 datasheet(11/15 Pages) WINBOND

Part #	W27L02P-70

Description	256K X 8 ELECTRIC ALLY ERASABLE EPROM

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Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

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11 / 15 page

W27L02

Publication Release Date: February 20, 2003

- 11 -

Revision A3

11. SMART ERASE ALGORITHM 1

Start

VDD = 5V

Vpp = 12V

X = 0

A9 = 12V; A0 = V

Chip Erase 100 mS Pulse

Address = First Location

IL

Compare

All Bytes to

FFs (HEX)

Pass

Device

Fail

Device

Pass

VDD = 3.0V

Vpp = 3.0V

Fail

X = 20?

Yes

No

Increment X

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