EMD12164P Emlsi Inc., EMD12164P Datasheet - Page 30

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EMD12164P

Manufacturer Part Number
EMD12164P
Description
512m 32m X 16 Mobile Ddr Sdram
Manufacturer
Emlsi Inc.
Datasheet
Timing Diagrams
Basic Timing (Setup, Hold and Access Time @ BL=4, CL=2)
CK
CKB
CKE
CSB
RASB
CASB
BA0,BA1
A10/AP
ADDR
WEB
DQS
DQ
DM
COMMAND
DQS
DQ
t
DQSQ
t
RPRE
ACTIVE
READ Operation
BAa
Ra
Ra
0
Q0
t
QHS
Q1
1
Q2
2
DISABLE AUTO PRECHARGE
t
RPST
Q3
READ
BAa
Ca
3
4
t
30
t
RPRE
CH
t
CK
DQS
DQ
t
CL
Qa0 Qa1 Qa2 Qa3
5
HIGH
t
WPRE
512M: 32M x 16 Mobile DDR SDRAM
6
t
RPST
WRITE Operation
D0
7
DISABLE AUTO PRECHARGE
t
Hi-Z
Hi-Z
DS
t
DSC
D1
t
IS
t
IH
WRITE
BAb
Cb
D2
EMD12164P
8
t
DH
t
DQSS
t
WPRE
Preliminary
t
D3
DS
Db0 Db1 Db2 Db3
t
WPST
t
t
DH
9
DQSH
t
DSC
t
DS
: Don’t care
t
DQSL
t
DH
Rev 0.0
10

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