EM636165BE-8G View Datasheet(PDF) - Etron Technology

Part Name

Description

Manufacturer

EM636165BE-8G

1Mega x 16 Synchronous DRAM (SDRAM)

Etron Technology 

EtronTech

1M x 16 SDRAM

EM636165

Figure 4. Power on Sequene and Auto Refresh (CBR)

CLK

CKE

CS#

RAS#

T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22

tCK2

High level

is reauired

Minimum of 2 Refresh Cycles are required

CAS#

WE#

A11

A10

A0-A9

Address Key

DQM

tRP

tRC

DQ Hi-Z

PrechargeALL

1st AutoRefresh (*)

Command

Command

Inputs must be

stable for 200 µs

Mode Register

Set Command

(*)

2nd Auto Refresh

Command

Note (*) : The Auto Refresh command can be issued before or after Mode Register Set command

Any

Command

Preliminary

25

Rev. 2.7 Mar. 2006

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