MT18LSDT6472 Micron, MT18LSDT6472 Datasheet - Page 16

• Manufacturer Part Number: MT18LSDT6472
• Description: 168-Pin SDRAM DIMMs (x72) ECC
• Manufacturer: Micron

AC FUNCTIONAL CHARACTERISTICS
(Notes: 5, 6, 7, 8, 9, 11; notes appear following parameter tables)
16, 32, 64 Meg x 72 PC133/PC100 Registered SDRAM DIMMs
SD18C16_32_64x72G_B.p65 – Pub. 11/01
PARAMETER
READ/WRITE command to READ/WRITE command
CKE to clock disable or power-down entry mode
CKE to clock enable or power-down exit setup mode
DQM to input data delay
DQM to data mask during WRITEs
DQM to data high-impedance during READs
WRITE command to input data delay
Data-in to ACTIVE command
Data-in to PRECHARGE command
Last data-in to burst STOP command
Last data-in to new READ/WRITE command
Last data-in to PRECHARGE command
LOAD MODE REGISTER command to ACTIVE or REFRESH command
Data-out to high-impedance from PRECHARGE command
16
168-PIN REGISTERED SDRAM DIMM
128MB / 256MB / 512MB (x72, ECC)
CL = 3
CL = 2
Micron Technology, Inc., reserves the right to change products or specifications without notice.
SYMBOL -13E
t
t
ROH(3)
ROH(2)
t
t
t
t
t
t
CKED
t
t
DQM
DWD
t
t
t
t
t
MRD
DQD
CCD
DQZ
DAL
PED
BDL
CDL
RDL
DPL
1
1
1
0
0
2
0
4
2
1
1
2
2
3
2
-133
1
1
1
0
0
2
0
5
2
1
1
2
2
3
2
-10E UNITS NOTES
1
1
1
0
0
2
0
4
2
1
1
2
2
3
2
©2001, Micron Technology, Inc.
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
15, 21,
16, 21,
16, 21,
14, 32
14, 32
17, 32
17, 32
17, 32
17, 32
17, 32
17, 32
17, 32
17, 32
17
32
32
32
26