w9425g8eh Winbond Electronics Corp America, w9425g8eh Datasheet - Page 36

• Manufacturer Part Number: w9425g8eh
• Description: 8m ? 4 Banks ? 8 Bits Ddr Sdram
• Manufacturer: Winbond Electronics Corp America

11.3 Read Timing (Burst Length = 4)
CAS Latency = 2
CAS Latency = 3
CLK
CMD
Output
CLK
ADD
Output
(Data)
(Data)
DQS
DQS
t
t
IS
IS
READ
Col
t
t
IH
IH
t
Hi-Z
Hi-Z
Hi-Z
Hi-Z
CH
t
CL
t
RPRE
Preamble
t
CK
- 36 -
t
t
AC
LZ
t
DQSCK
t
t
QA0
DA0
RPRE
DQSQ
Preamble
t
DQSCK
t
QA1
DA1
QH
t
t
AC
LZ
t
DQSCK
Publication Release Date: Jul. 04
t
DQSQ
t
QA0
t
DA0
QA2
DA2
QH
DQSQ
t
Postamble
DQSCK
t
QA1
DA1
t
t
QA3
DA3
QH
t
RPST
DQSQ
HZ
t
DQSCK
t
DQSQ
t
DA2
QA2
QH
t
Postamble
DQSCK
t
t
DA3
QA3
t
RPST
DQSQ
HZ
Revision A01
Hi-Z
Hi-Z
Hi-Z
Hi-Z
,
2008