MB91F528 datasheet(213/241 Pages) SPANSION

tên linh kiện	MB91F528

Giải thích chi tiết về linh kiện	This document states the current technical specifications regarding

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D a t a S h e et

210

MB91F528_DS705-00016-1v0-E, March 28, 2014

CONFIDENTIAL

(10) External bus I/F (synchronous mode) timing

(TA: -40°C to +105°C, VCC=AVCC=5.0V±10%/VCC= AVCC=3.3V±0.3V, VSS=AVSS=0.0V)

(external load capacitance 50pF)

Parameter

Symbol

Pin name

Value

Unit

Remarks

Min

Max

Cycle time

tCYC

SYSCLK

VCC=5.0V±10%

31.25

VCC=3.3V±0.3V

ASX delay time

tCHASL,

tCHASH

SYSCLK,

ASX

0.5

CS0X to CS3X

delay time

tCHCSL,

tCHCSH

SYSCLK,

CS0X to

CS3X

0.5

A00 to A21

delay time

tCHAV,

tCHAX

SYSCLK,

A00 to A21

0.5

RDX delay time

tCHRL,

tCHRH

SYSCLK,

RDX

0.5

RDX

minimum pulse

tRLRH

RDX

tCYC×

2 - 20

RWT=1, set RWT to 1

or more.

Data setup →

RDX↑time

tDSRH

RDX,

D16 to D31

18+tCYC

Same as above

RDX↑→

data hold

tRHDH

WRnX delay time

tCHWL,

tCHWH

SYSCLK,

WR0X,

WR1X

0.5

WRnX

minimum pulse

tWLWH

WR0X,

WR1X

tCYC - 10

WWT=0

SYSCLK↑→

data output time

tCHDV

SYSCLK,

D16 to D31

0.5

SYSCLK↑→

data hold time

tCHDX

Set WRCS to 1 or

more.

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