mt48lc16m16a2tg-7e-it Micron Semiconductor Products, mt48lc16m16a2tg-7e-it Datasheet - Page 53

• Manufacturer Part Number: mt48lc16m16a2tg-7e-it
• Description: 256mb X4, X8, X16 Sdram
• Manufacturer: Micron Semiconductor Products

Table 21:
Table 22:
PDF: 09005aef8091e6d1/Source: 09005aef8091e6a8
256MSDRAM_2.fm - Rev. L 10/07 EN
Parameter
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
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-Z 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-Z from PRECHARGE command
AC Functional Characteristics (-6A)
Notes 5, 6, 7, 8, 9, 11 apply to the entire table; notes appear on page 54
AC Functional Characteristics (-7E, -75)
Notes 5, 6, 7, 8, 9, 11 apply to the entire table; notes appear on page 54
Notes: 1. Note 21 on page 54 does not apply for this speed grade and should read “Based on
t
CK = 6ns.”
CL = 3
CL = 2
53
CL = 3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Symbol
t
t
ROH(3)
ROH(2)
t
t
t
t
t
t
t
CKED
t
t
DQM
DWD
t
t
t
t
DQD
MRD
DQZ
CCD
DAL
PED
DPL
BDL
CDL
RDL
Symbol
t
ROH(3)
t
t
t
t
t
t
CKED
t
t
t
DQM
DWD
t
t
t
t
DQD
MRD
DQZ
CCD
DAL
PED
DPL
BDL
CDL
RDL
-7E
256Mb: x4, x8, x16 SDRAM
1
1
1
0
0
2
0
4
2
1
1
2
2
3
2
Electrical Specifications
-6A
1
1
1
0
0
2
0
4
2
1
1
2
2
3
-75
©1999 Micron Technology, Inc. All rights reserved.
1
1
1
0
0
2
0
5
2
1
1
2
2
3
2
Units
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
Units
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
Notes
16, 21
16, 21
Notes
15, 21
16, 21
16, 21
17
14
14
17
17
17
17
17
17
26
17
17
14
14
17
17
17
17
17
17
26
17
17
1