MT16LSDT6464 Micron, MT16LSDT6464 Datasheet - Page 18

• Manufacturer Part Number: MT16LSDT6464
• Description: 168-Pin SDRAM DIMMs (x64)
• Manufacturer: Micron

EEPROM DEVICE SELECT CODE
(The most significant bit (b7) is sent first)
32, 64 Meg x 64 SDRAM DIMMs
SD8_16C32_64x64AG_B.p65–Rev. B, Pub. 8/01
EEPROM OPERATING MODES
(X = V
SPD EEPROM TIMING DIAGRAM
SERIAL PRESENCE-DETECT EEPROM TIMING PARAMETERS
Memory Area Select Code (two arrays)
Protection Register Select Code
Current Address Read
Random Address Read
Sequential Read
Byte Write
Page Write
SYMBOL
t
t
t
t
t
t
AA
BUF
DH
F
HD:DAT
HD:STA
SDA OUT
SDA IN
IH
SCL
or V
MODE
IL
)
t SU:STA
MIN
300
0.3
4.7
RW Bit
0
4
t F
1
0
1
1
0
0
t HD:STA
MAX
t LOW
300
t AA
3.5
b7
1
0
UNITS
WC
V
V
µs
µs
ns
ns
µs
µs
X
X
X
X
Device Type Identifier
IL
IL
t HIGH
1
t HD:DAT
b6
1
1
18
BYTES
SYMBOL
t
t
t
t
t
t
1
1
1
t DH
16
LOW
R
SU:DAT
SU:STA
SU:STO
HIGH
1
b5
1
1
t R
t SU:DAT
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
b4
0
0
168-PIN SDRAM DIMMs
256MB / 512MB (x64)
b3
E2
E2
Initial Sequence
Chip Enable
b2
E1
E1
MIN
250
4.7
4.7
4.7
t SU:STO
4
t BUF
b1
E0
E0
©2001, Micron Technology, Inc.
UNDEFINED
MAX
1
RW
RW
RW
b0
UNITS
µs
µs
µs
ns
µs
µs