W9412G6JH
12.3 Read Timing (Burst Length = 4)
CLK
CLK
CMD
ADD
CAS Latency = 2
t CH
t IH
t IS
READ
t IH
t IS
Col
t CL
t RPRE
t CK
t DQSCK
t DQSCK
t DQSCK
t RPST
DQS
Hi-Z
Hi-Z
Preamble
t QH
Postamble
t DQSQ
t QH
t DQSQ
t DQSQ
Output
(Data)
Hi-Z
DA0
QA0
DA1
QA1
DA2
QA2
DA3
QA3
Hi-Z
t AC
t HZ
t LZ
t DQSCK
t DQSCK
t DQSCK
CAS Latency = 3
Hi-Z
t RPRE
t RPST
Hi-Z
DQS
Preamble
t QH
Postamble
t DQSQ
t QH
t DQSQ
t DQSQ
Output
(Data)
Hi-Z
DA0
QA0
DA1
QA1
DA2
QA2
DA3
QA3
Hi-Z
t AC
Notes : The correspondence of LDQS, UDQS to DQ. (W9412G6JH)
t LZ
t HZ
LDQS
UDQS
DQ0~7
DQ8~15
Publication Release Date: Jan. 14, 2014
- 36 -
Revision: A04
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