mt9vddf6472phy-335 Micron Semiconductor Products, mt9vddf6472phy-335 Datasheet - Page 22

• Manufacturer Part Number: mt9vddf6472phy-335
• Description: 256mb, 512mb X72, Ecc, Pll, Sr 200-pin Ddr Sodimm
• Manufacturer: Micron Semiconductor Products

Table 13:
Table 14:
Figure 10:
PDF: 09005aef81eef7d4/Source: 09005aef81eef0df
DDF9C32_64x72PH_2.fm - Rev. A 1/06 EN
Select Code
Mode
SDA OUT
Memory Area Select Code (two arrays)
Protection Register Select Code
Current Address Read
Random Address Read
Sequential Read
Byte Write
Page Write
SDA IN
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
t HD:STA
t LOW
256MB, 512MB: (x72, ECC, PLL, SR) 200-Pin DDR SODIMM
t AA
V
V
V
V
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
22
≤ 16
Device Type Identifier
≥ 1
1
1
1
1
t DH
b6
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’
0
1
Initial Sequence
t R
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
SA1
SA1
b2
t SU:STO
t BUF
SA0
SA0
UNDEFINED
b1
RW
RW
RW
b0