W27E257 Datasheet, PDF(9/14 Page) Winbond – 32K X 8 ELECTRICALLY ERASABLE EPROM

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W27E257 Datasheet, PDF (9/14 Pages) Winbond – 32K X 8 ELECTRICALLY ERASABLE EPROM

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Timing Waveforms, continued

Programming Waveform

W27E257

VIH

Address

VIL

Data

12.0V

VPP

5.0V

VIH

VIL

VIH

VIL

Program

Address Stable

TAS

Data In Stable

TDS

TDH

Program

Verify

Address Stable

TDFP

DOUT

TAH

DOUT

TVPS

TPWP

TOES TOEV

Read

Verify

Address Valid

TACC

DOUT

TOE

Publication Release Date: January 1997

-9-

Revision A3

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