W27E512-12 查看數據表（PDF） - Winbond

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W27E512-12

64K ´8 ELECTRICALLY ERASABLE EPROM

Winbond 

TIMING WAVEFORMS

AC Read Waveform

VIH

Address

VIL

VIH

CE VIL

VIH

OE/Vpp

VIL

Outputs

High Z

Address Valid

TCE

TOE

TACC

W27E512

TDF

TOH

Valid Output

High Z

Erase Waveform

Read

Read

Company Device

SID

SID

A9=12.0V

Chip Erase

A9= 14.0V

Erase Verify

Blank Check

Read Verify

Address VIH

VIL

Data

Vcc 5V

14.0V

VIH

OE/Vpp VIL

VIH

CE VIL

Others=VIL

A0=V IL A0=VIH

Others=VIL

TACC TACC

DA

08

Others=V IL

TAS

TAHC

Data All One

Address Valid

TACV=250 nS

DOUT

Address Valid

TACV=250 nS

DOUT

Address Valid

TACC

DOUT

TDS

TOES

TOE

TOE

TCE

TPRT

TVS

TDH TVCS

3.75V

TOEV=150 nS

VIH

TOEH

Always=V IL

VIH

TOE

TPWE

TVR

Address Valid

-8-

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