MT1389 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

MT1389

MT1389 IC / Desktop DVD Player SOC

Unspecified 

Specifications are subject to change without notice

9-11 DRAM Interface

CLK

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

tRAS

tRCD

tRP

RAS

CAS

tSH

WE

tSS

ADR

Ra

ly BA

BS

n AP

Ra

l DQ

tia k O DQM

Ca

BS

Qa

Cb

Rb

BS

BS

BS

Rb

Db

tWR

en Te RowActive

Read

Write

Precharge Row Active

nfid ine Parameter

Symbol

-6

Min Max

-7

Min Max

-75

Min Max

o ng re CLK cycle time

CAS latency = 3

tCC

7.5

-

7.5

-

7.5

-

C iE su SDRAM input setup time

TK ig lo SDRAM input hold time

Active to Precharge command period

D c Precharge to Active command period

M r is Active to read/write command delay

tSS

tSH

tRAS

tRP

tRCD

1.5

1.75

1.75

1

1

1

42 100K 49 100K 52 100K

18

20

20

18

20

20

FoNo D Write recovery time CL = 3

tWR

6

7

7.5

Units

ns

ns

ns

ns

ns

ns

ns

29

MEDIATEK CONFIDENTIAL, NO DISCLOSURE

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