MT16LSDF6464HY-133D2 Datasheet, PDF (18/22 Pages) Micron Technology – SMALL-OUTLINE SDRAM MODULE

256MB, 512MB (x64, DR)
144-PIN SDRAM SODIMM
Table 16: EEPROM Device Select Code
Most significant bit (b7) is sent first
Memory area select code (two arrays)
Protection register select code
DEVICE TYPE IDENTIFIER
CHIP ENABLE
RW
b7
b6
b5
b4
b3
b2
b1
b0
1
0
1
0
SA2 SA1 SA0 RW
0
1
1
0
SA2 SA1 SA0 RW
Table 17: EEPROM Operating Modes
MODE
Current address READ
Random address READ
Sequential READ
Byte WRITE
Page WRITE
RW# BIT
1
0
1
1
0
0
WC
VIH or VIL
VIH or VIL
VIH or VIL
VIH or VIL
VIL
VIL
BYTES
1
1
≥1
1
≤16
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
SCL
SDA In
SDA Out
Figure 9: SPD EEPROM Timing Diagram
t_F
t_HIGH
t_R
t_LOW
t_SU:STA
t_HD:STA
t_HD:DAT
t_SU:DAT
tAA
t_DH
t_SU:STO
t_BUF
UNDEFINED
pdf: 09005aef807924d2, source: 09005aef807924f1
SDF16C32_64x64HG.fm - Rev. E 4/06 EN
18
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