MT8VDDT1664AG-40BDB Micron Technology Inc, MT8VDDT1664AG-40BDB Datasheet - Page 21

• Manufacturer Part Number: MT8VDDT1664AG-40BDB
• Description: MODULE SDRAM DDR 128MB 184DIMM
• Manufacturer: Micron Technology Inc

Specifications of MT8VDDT1664AG-40BDB

• Memory Type: DDR SDRAM
• Memory Size: 128MB
• Speed: 400MT/s
• Package / Case: 184-DIMM
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 13:
Table 14:
Figure 10:
PDF: 09005aef80a43556, Source: 09005aef80a43534
DDA8C16_32_64x64AG_2.fm - Rev. E 4/06 EN
Select Code
Memory area select code (two arrays)
Protection register select code
Current address read
Random address read
Sequential read
Byte write
Page write
SDA OUT
SDA IN
Mode
SCL
EEPROM Device Select Code
Most significant bit (b7) is sent first
EEPROM Operating Modes
SPD EEPROM Timing Diagram
t SU:STA
RW Bit
1
0
1
1
0
0
t F
128MB, 256MB, 512MB (x64, SR): PC3200 184-Pin DDR UDIMM
t HD:STA
V
V
V
V
t LOW
t AA
IH
IH
IH
IH
WC
V
V
or V
or V
or V
or V
IL
IL
IL
IL
IL
IL
t HIGH
t HD:DAT
b7
Bytes
1
0
≤ 16
21
≥ 1
Device Type Identifier
1
1
1
1
t DH
b6
t R
0
1
Initial Sequence
START, device select, RW = “1”
START, device select, RW = “0”, address
reSTART, device select, RW = “1”
Similar to current or random address read
START, device select, RW = “0”
START, device select, RW = “0”
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t SU:DAT
b5
1
1
b4
0
0
Serial Presence-Detect
SA2
SA2
b3
©2005 Micron Technology, Inc. All rights reserved.
Chip Enable
t SU:STO
t BUF
SA1
SA1
b2
UNDEFINED
SA0
SA0
b1
RW
RW
RW
b0