W9825G6DH75I Winbond, W9825G6DH75I Datasheet - Page 36
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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
11.15
(1) CAS Latency=2
(2) CAS Latency=3
( a ) burst length = 1
( b ) burst length = 2
( c ) burst length = 4
( d ) burst length = 8
( a ) burst length = 1
( b ) burst length = 2
( c ) burst length = 4
( d ) burst length = 8
Auto-precharge Timing (Read Cycle)
Command
Command
Command
Command
Command
Command
Command
Command
DQ
Note:
DQ
DQ
DQ
DQ
DQ
DQ
DQ
Read
Read
Read
Read
Read
Read
Read
Read
When the Auto precharge command is asserted, the period from Bank Activate command to
0
Read
Act
AP
AP
AP
1
the start of internal precgarging must be at least t
Q0
AP
Q0
Q0
Q0
AP
t
represents the Bank Activate command.
2
RP
represents the start of internal precharging.
represents the Read with Auto precharge command.
t
RP
Act
Q1
Q1
Q1
Q0
Q0
Q0
Q0
t
3
RP
t
RP
Act
Act
AP
Q2
Q2
Q1
AP
Q1
Q1
4
- 36 -
Act
Q3
Q3
Q2
Q2
t
5
RP
t
RP
Act
Q4
Q3
Q3
6
Publication Release Date: Apr. 24, 2008
RAS
Act
Q5
Q4
7
(min).
AP
Q6
AP
Q5
8
W9825G6DH
Q7
Q6
t
9
RP
t
RP
Act
Q7
10
Revision A12
Act
11