W27C020 Datasheet, PDF(9/14 Page) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

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W27C020 Datasheet, PDF (9/14 Pages) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

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Preliminary W27C020

Timing Waveforms, continued

Programming Waveform

VIH

Address

VIL

Data

12.0V

VPP

5.0V

VIH

VIL

VIH

VIL

VIH

PGM VIL

Program

Address Stable

TAS

Data In Stable

TDS

TDH

Program

Verify

Address Stable

TDFP

DOUT

TAH

DOUT

TVPS

TCES

TOES

TPWP

TOEV

Read

Verify

Address Valid

TACC

DOUT

TOE

Publication Release Date: September 1998

-9-

Revision A1

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