W27E040S-90 查看數據表（PDF） - Winbond

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W27E040S-90

512K x 8 ELECTRICALLY ERASABLE EPROM

Winbond 

TIMING WAVEFORMS

AC Read Waveform

W27E040

VIH

Address

VIL

VIH

CE

VIL

VIH

OE

VIL

Outputs

High Z

Address Valid

TCE

TOE

TACC

TDF

TOH

Valid Output

High Z

Erase Waveform

VIH

Address

VIL

Data

14.0V

5.0V

VPP

VIH

CE

VIL

VIH

OE VIL

Read

Read

Manufacturer Device

SID

SID

A9 = 12.0V

Chip Erase

A9 = 14.0V

Erase Verify

A0= VIH

Others = VIL

A0 = VIL Others = VIL

Others = VIL

TACC

TACC

TAS

TARC

DA

86

Data All One

Address

Stable

TDFP

DOUT

TDS

TAHC

TAH

Address

Stable

DOUT

TVPS

TCE

Blank Check

Read Verify

Address

Stable

TACC

DOUT

5V

TOE

TOE

TPWE

TOES

TOE

TOEV

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