W9425G6EH-5 Winbond Electronics, W9425G6EH-5 Datasheet - Page 41
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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
11.7 Extend Mode Register Set (EMRS) Timing
CLK
CMD
CLK
ADD
*“Reserved"should stay“0"during EMRS cycle
A11
A12
A10
BA0
BA1
A0
A2
A4
A5
A1
A3
A6
A7
A8
A9
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
Buffer Strength
Mode Register Set
Buffer Strength
Register Set data
Extended Mode
DLL Switch
Register Set
Reserved
Reserved
EMRS
or
t
MRD
- 41 -
BA1
A6
0
0
1
1
0
0
1
1
A0
0
1
BA0
A1
0
1
0
1
0
1
0
1
Publication Release Date:Dec. 03, 2008
Extended MRS cycle
NEXT CMD
Regular MRS cycle
100% Strength
30% Strength
MRS or EMRS
Buffer Strength
60% Strength
Reserved
DLL Switch
Disable
Enable
W9425G6EH
Revision A08