M395T5750EZ4CE65 Samsung Semiconductor, M395T5750EZ4CE65 Datasheet - Page 10

• Manufacturer Part Number: M395T5750EZ4CE65
• Manufacturer: Samsung Semiconductor

Specifications of M395T5750EZ4CE65

• Main Category: DRAM Module
• Sub-category: DDR2 SDRAM
• Module Type: 240FBDIMM
• Device Core Size: 72b
• Organization: 256Mx72
• Total Density: 2GByte
• Chip Density: 512Mb
• Package Type: FBDIMM
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Number Of Elements: 36
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Operating Temp Range: 0C to 85C
• Operating Temperature Classification: Commercial
• Pin Count: 240
• Mounting: Socket
• Lead Free Status / RoHS Status: Compliant

FBDIMM
Figure 9 : Basic DRAM Write Data Transfers on FBD
Figure 10 : Simultaneous RD / WR Data Transfer
FBD southbound
FBD southbound
FBD northbound
FBD northbound
DIMM 1 data
DIMM 2 data
DIMM 1 data
DIMM 2 data
DIMM 1 cmd
DIMM 2 cmd
DIMM 1 cmd
DIMM 2 cmd
cmd/data
cmd/data
data
data
Wdata
Wdata
ACT1
ACT1
NOP
NOP
1
1
1
1
Wdata
Wdata
ACT1
ACT2
ACT1
2
2
2
2
Wdata
Wdata
Wdata
Wdata
ACT3
ACT2
NOP
3
3
3
3
Wdata
Wdata
Wdata
Wdata
ACT3
WR1
RD1
4
4
4
4
Wdata
Wdata
WR2
NOP
NOP
NOP
WR1
RD1
5
5
5
5
s
Wdata
Wdata
NOP
NOP
NOP
WR2
10 of 33
RD3
6
6
SYNC
1010
0101
RD3
7
7
SYNC
1010
0101
8
8
Fixed fall through time
9
9
10
10
11
11
Rev. 1.51 January 2008
Status
12
12
DDR2 SDRAM
Status
13
13