W9425G6EH-5 Winbond Electronics, W9425G6EH-5 Datasheet - Page 49
![IC DDR-400 SDRAM 256MB 66TSSOPII](/photos/28/21/282152/w9425g6eh-5_sml.jpg)
W9425G6EH-5
Manufacturer Part Number
W9425G6EH-5
Description
IC DDR-400 SDRAM 256MB 66TSSOPII
Manufacturer
Winbond Electronics
Datasheet
1.W9425G6EH-5.pdf
(54 pages)
Specifications of W9425G6EH-5
Format - Memory
RAM
Memory Type
DDR SDRAM
Memory Size
256M (16Mx16)
Speed
250MHz
Interface
Parallel
Voltage - Supply
2.3 V ~ 2.7 V
Operating Temperature
0°C ~ 70°C
Package / Case
66-TSOPII
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W9425G6EH-5
Manufacturer:
WINBOND
Quantity:
1 728
Part Number:
W9425G6EH-5
Manufacturer:
WINBOND/华邦
Quantity:
20 000
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)
- 49 -
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:Dec. 03, 2008
Q2a
Q1a
ACTa
CL(b)
APb
Q3a
ACTa
APb
Preamble
Q0b
t
t
RP(b)
RRD
Q1b
Q0b
W9425G6EH
t
t
RP(b)
RRD
Postamble
Q2b
Q1b
ACTb
Postamble
Q3b
ACTb
Revision A08