W9825G6DH75I Winbond, W9825G6DH75I Datasheet - Page 9
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W9825G6DH75I
Manufacturer Part Number
W9825G6DH75I
Description
Manufacturer
Winbond
Type
SDRAMr
Datasheet
1.W9825G6DH75I.pdf
(44 pages)
Specifications of W9825G6DH75I
Organization
16Mx16
Density
256Mb
Address Bus
14b
Access Time (max)
6/5.4ns
Maximum Clock Rate
133MHz
Operating Supply Voltage (typ)
3.3V
Package Type
TSOP-II
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
130mA
Pin Count
54
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Supplier Unconfirmed
7.12 Addressing Sequence of Sequential Mode
A column access is performed by increasing the address from the column address which is input to
the device. The disturb address is varied by the Burst Length as shown in Table 2.
Table 2 Address Sequence of Sequential Mode
7.13 Addressing Sequence of Interleave Mode
A column access is started in the input column address and is performed by inverting the address bit
in the sequence shown in Table 3.
Table 3 Address Sequence of Interleave Mode
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
DATA
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
DATA
ACCESS ADDRESS
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
n + 1
n + 2
n + 3
n + 4
n + 5
n + 6
n + 7
n
ACCESS ADDRESS
BL = 8 (disturb addresses are A0, A1 and A2)
- 9 -
BL = 4 (disturb addresses are A0 and A1)
No address carry from A0 to A1
No address carry from A1 to A2
No address carry from A2 to A3
BL = 2 (disturb address is A0)
BURST LENGTH
Publication Release Date:Apr. 24, 2008
W9825G6DH
BURST LENGTH
BL = 2
BL = 4
BL = 8
Revision A12