EMD28164PA Emlsi Inc., EMD28164PA Datasheet - Page 31

• Manufacturer Part Number: EMD28164PA
• Description: 128m 8m X 16 Mobile Ddr Sdram
• Manufacturer: Emlsi Inc.

(A0-A9,A11)
Timing Diagrams
Basic Timing (Setup, Hold and Access Time @ BL=4, CL=2)
CK
/CK
CKE
/CS
/RAS
/CAS
BA0,BA1
A10/AP
ADDR
/WE
DQS
DQ
DM
COMMAND
DQS
DQ
t
DQSQ
t
RPRE
ACTIVE
READ Operation
BAa
Ra
Ra
0
Q0
t
QHS
Q1
1
Q2
DISABLE AUTO PRECHARGE
2
t
RPST
Q3
READ
BAa
Ca
3
4
t
31
t
RPRE
CH
t
CK
DQS
DQ
t
CL
Qa0 Qa1 Qa2 Qa3
5
HIGH
t
WPRE
6
128M: 8M x 16 Mobile DDR SDRAM
t
RPST
WRITE Operation
D0
7
DISABLE AUTO PRECHARGE
t
Hi-Z
Hi-Z
DS
t
DSC
D1
t
IS
t
IH
EMD28164PA
WRITE
BAb
Cb
D2
8
t
DH
t
DQSS
t
WPRE
t
D3
DS
Db0 Db1 Db2 Db3
t
WPST
t
t
DH
DQSH
9
t
DSC
t
DS
: Don’t care
t
DQSL
t
DH
Rev 1.0
10