W29C020 查看數據表（PDF） - Winbond

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W29C020

256K x 8 CMOS FLASH MEMORY

Winbond 

W29C020

AC Characteristics, continued

DA TA Polling Characteristics (1)

PARAMETER

SYMBOL

Data Hold Time

OE Hold Time

TDH

TOEH

OE to Output Delay (2)

TOE

Write Recovery Time

TWR

Notes:

(1) These parameters are characterized and not 100% tested.

(2) See TOE spec in A.C. Read Cycle Timing Parameters.

Toggle Bit Characteristics (1)

PARAMETER

SYMBOL

Data Hold Time

TDH

OE Hold Time

TOEH

OE to Output Delay (2)

TOE

OE High Pulse

TOEHP

Write Recovery Time

TWR

Notes:

(1) These parameters are characterized and not 100% tested.

(2) See TOE spec in A.C. Read Cycle Timing Parameters.

MIN.

10

10

-

0

MIN.

10

10

-

150

0

TIMING WAVEFORMS

Read Cycle Timing Diagram

TYP.

-

-

-

-

MAX.

-

-

-

-

UNIT

nS

nS

nS

nS

TYP.

-

-

-

-

-

MAX.

-

-

-

-

-

UNIT

nS

nS

nS

nS

nS

Address A17-0

CE

OE

WE

DQ7-0

VIH

High-Z

TRC

TCE

TOE

TOH

Data Valid

TAA

TOHZ

T CHZ

Data Valid

High-Z

- 13 -

Publication Release Date: February 1998

Revision A3

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