W49F020-90 Просмотр технического описания (PDF) - Winbond

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W49F020-90

256K x 8 CMOS FLASH MEMORY

Winbond 

Preliminary W49F020

AC Characteristics, continued

Data Polling and Toggle Bit Timing Parameters

PARAMETER

SYM.

W49F020-70

MIN.

MAX.

OE to Data Polling Output Delay TOEP

-

35

CE to Data Polling Output Delay TCEP

-

70

OE to Toggle Bit Output Delay

TOET

-

35

CE to Toggle Bit Output Delay

TCET

-

70

W49F020-90

MIN.

MAX.

-

40

-

90

-

40

-

90

UNIT

nS

nS

nS

nS

TIMING WAVEFORMS

Read Cycle Timing Diagram

Address A17-0

CE

OE

WE

DQ7-0

VIH

High-Z

TRC

TCE

TOE

TOLZ

TCLZ

TOH

Data Valid

TAA

TOHZ

TCHZ

Data Valid

High-Z

- 13 -

Publication Release Date: October 1999

Revision A1

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