
W9412G6IH
11.19 2 Bank Interleave Read Operation (CL = 2, BL = 2)
CLK
CLK
t RC(b)
tRC(a)
t RRD
t RRD
CMD
ACTa
ACTb
READAa
READAb
ACTa
ACTb
t RCD(a)
t RAS(a)
t RCD(b)
t RP(a)
DQS
t RAS(b)
t RP(b)
Preamble
CL(a)
Postamble
CL(b)
Preamble
Postamble
DQ
Q0a
Q1a
Q0b
Q1b
ACTa/b : Bank Act. CMD of bank a/b
READAa/b : Read with Auto Pre.CMD of bank a/b
APa/b : Auto Pre. of bank a/b
APa
APb
11.20 2 Bank Interleave Read Operation (CL = 2, BL = 4)
CLK
CLK
tRC(b)
tRC(a)
tRRD
tRRD
CMD
ACTa
ACTb
READAa
READAb
ACTa
ACTb
tRCD(a)
tRAS(a)
tRCD(b)
tRP(a)
DQS
DQ
tRAS(b)
Preamble
CL(a)
ACTa/b : Bank Act. CMD of bank a/b
READAa/b : Read with Auto Pre.CMD of bank a/b
tRP(b)
Postamble
CL(b)
Q0a Q1a Q2a Q3a Q0b Q1b Q2b Q3b
APa/b : Auto Pre. of bank a/b
- 48 -
APa
APb
Publication Release Date: Sep. 16, 2009
Revision A06