MT48LC64M4A2 Micron Technology, MT48LC64M4A2 Datasheet - Page 38

• Manufacturer Part Number: MT48LC64M4A2
• Description: (MT48Lxxxx) SYNCHRONOUS DRAM
• Manufacturer: Micron Technology

AC FUNCTIONAL CHARACTERISTICS
(Notes: 5, 6, 7, 8, 9, 11; notes appear on page 37)
256Mb: x4, x8, x16 SDRAM
256MSDRAM_E.p65 – Rev. E; Pub. 3/02
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
38
Micron Technology, Inc., reserves the right to change products or specifications without notice.
CL = 3
CL = 2
SYMBOL
t
t
ROH(3)
ROH(2)
t
t
t
t
256Mb: x4, x8, x16
t
t
t
CKED
t
t
DQM
DWD
t
t
t
MRD
DQD
t
CCD
DQZ
DAL
PED
DPL
BDL
CDL
RDL
-7E
1
1
1
0
0
2
0
4
2
1
1
2
2
3
2
-75
1
1
1
0
0
2
0
5
2
1
1
2
2
3
2
©2002, Micron Technology, Inc.
SDRAM
UNITS NOTES
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
17
14
14
17
17
17
17
17
17
26
17
17