w942508bh Winbond Electronics Corp America, w942508bh Datasheet - Page 41

• Manufacturer Part Number: w942508bh
• Manufacturer: Winbond Electronics Corp America

Timing Waveforms, continued
4 Bank Interleave Read Operation (CL = 2, BL = 2)
4 Bank Interleave Read Operation (CL = 2, BL = 4)
CLK
CLK
CMD
CLK
CLK
CMD
DQ
DQS
DQ
DQS
ACTa/b/c/d
READAa/b/c/d : Read with Auto Pre.CMD of bank a/b/c/d
APa/b/c/d
ACTa/b/c/d
READAa/b/c/d : Read with Auto Pre.CMD of bank a/b/c/d
APa/b/c/d
ACTa
ACTa
t
t
RRD
: Auto Pre. of bank a/b/c/d
RRD
: Bank Act. CMD of bank a/b/c/d
: Auto Pre. of bank a/b/c/d
: Bank Act. CMD of bank a/b/c/d
t
RCD(a)
t
ACTb
ACTb
RCD(a)
t
t
RAS(a)
RAS(a)
READAa
t
t
RRD
RRD
ACTc
ACTc
CL(a)
t
t
RC(a)
RC(a)
- 41 -
Preamble
t
t
t
t
RCD(b)
RAS(b)
RCD(b)
RAS(b)
READAa
READAb
CL(a)
t
t
APa
RRD
RRD
Q0a
t
t
RCD(c)
RAS(c)
Q1a
ACTd
ACTd
CL(b)
CL(c)
APa
Publication Release Date: March 19, 2002
Preamble
Q0a
t
t
RCD(c)
RAS(c)
t
RP(a)
READAb
Q1a
READAc
CL(b)
t
t
APb
RRD
t
RRD
RP
Q0a
Q2a
t
t
Postamble Preamble
t
t
RCD(d)
RAS(d)
RCD(d)
RAS(d)
Q1a
Q3a
ACTa
ACTa
CL(b)
CL(b)
APb
Q0b
W942508BH
READAc
READAd
Q1b
APc
Q0b
Q2b
Q1b
Q3b
Revision A1