w9425g6eb Winbond Electronics Corp America, w9425g6eb Datasheet - Page 46
w9425g6eb
Manufacturer Part Number
w9425g6eb
Description
4 M ? 4 Banks ? 16 Bits Ddr Sdram
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W9425G6EB.pdf
(51 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
w9425g6eb-5
Manufacturer:
WINBOND/华邦
Quantity:
20 000
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11.19 2 Bank Interleave Read Operation (CL = 2, BL = 2)
∗ t
11.20 2 Bank Interleave Read Operation (CL = 2, BL = 4)
CK
= 100 MHz
CLK
CLK
CMD
DQ
DQS
CLK
CLK
CMD
DQ
DQS
ACTa/b
READAa/b : Read with Auto Pre.CMD of bank a/b
APa/b
ACTa
ACTa/b
READAa/b : Read with Auto Pre.CMD of bank a/b
APa/b
ACTa
: Auto Pre. of bank a/b
: Bank Act. CMD of bank a/b
t
RRD
: Auto Pre. of bank a/b
: Bank Act. CMD of bank a/b
t
RRD
t
ACTb
RCD(a)
t
ACTb
RCD(a)
t
RAS(a)
t
RAS(a)
READAa
t
RC(a)
t
RC(a)
READAa
t
t
CL(a)
RCD(b)
RCD(b)
- 46 -
Preamble
t
t
RAS(b)
RAS(b)
READAb
CL(a)
APa
APa
Preamble
Q0a
t
RC(b)
t
RC(b)
READAb
t
Q1a
RP(a)
CL(b)
t
RP(a)
Postamble
Q0a
Publication Release Date:Feb. 12, 2009
Q2a
Q1a
ACTa
CL(b)
APb
Q3a
ACTa
APb
Preamble
Q0b
t
t
RP(b)
RRD
Q1b
Q0b
t
W9425G6EB
t
RP(b)
RRD
Postamble
Q2b
Q1b
ACTb
Postamble
Q3b
ACTb
Revision A02
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