MT9VDDF3272G-26AC1 Micron Technology Inc, MT9VDDF3272G-26AC1 Datasheet - Page 28
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MT9VDDF3272G-26AC1
Manufacturer Part Number
MT9VDDF3272G-26AC1
Description
MODULE SDRAM DDR 256MB 184DIMM
Manufacturer
Micron Technology Inc
Datasheet
1.MT9VDDF6472Y-335F1.pdf
(34 pages)
Specifications of MT9VDDF3272G-26AC1
Memory Type
DDR SDRAM
Memory Size
256MB
Speed
266MT/s
Package / Case
184-DIMM
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Table 19: EEPROM Device Select Code
The most significant bit (b7) is sent first
Table 20: EEPROM Operating Modes
pdf: 09005aef80e119b2, source: 09005aef807d56a1
DDF9C32_64x72G.fm - Rev. B 9/04 EN
SELECT CODE
MODE
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
SCL
t SU:STA
Figure 16: SPD EEPROM Timing Diagram
RW BIT
t F
1
0
1
1
0
0
t HD:STA
t LOW
t AA
V
V
V
V
IH
IH
IH
IH
WC
V
V
or V
or V
or V
or V
IL
IL
b7
IL
IL
IL
IL
t HIGH
1
0
DEVICE TYPE IDENTIFIER
t HD:DAT
BYTES
28
1
1
1
1
16
1
b6
0
1
t DH
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’
t R
256MB, 512MB (x72, ECC, SR)
Micron Technology, Inc., reserves the right to change products or specifications without notice.
184-PIN DDR SDRAM RDIMM
b5
1
1
t SU:DAT
b4
0
0
SA2
SA2
b3
CHIP ENABLE
©2004 Micron Technology, Inc. All rights reserved.
SA1
SA1
b2
t SU:STO
t BUF
SA0
SA0
b1
UNDEFINED
RW
RW
RW
b0