SM4M64DT-10 Enhanced Memory Systems, Inc., SM4M64DT-10 Datasheet - Page 9

• Manufacturer Part Number: SM4M64DT-10
• Description: 168-pin Enhanced SDRAM DIMM 32MB DIMM
• Manufacturer: Enhanced Memory Systems, Inc.

Preliminary Data Sheet
Write Cycle
Notes:
1.
Clock Frequency and Latency
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: [phone];
Revision 3.1
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
DQW
t
f
t
DQW
t
t
t
t
t
t
RCD
t
RAS
RRD
CCD
DQZ
DPL
DAL
DPL
DAL
CSL
DAL
OH
WL
OS
CK
CK
AA
RC
RP
RL
must satisfy t
Data In Setup Time
Data In Hold Time
Data Input to Precharge
Data In to Active/Refresh
DQM Write Mask Latency
Clock Frequency
Clock Cycle Time
CAS Latency
RAS to CAS Delay
RAS Latency
Bank Cycle Time
Minimum Bank Active Time
Precharge Time
Data In to Precharge
Data In to Active/Refresh
Bank to Bank Delay Time
CAS to CAS Delay Time
Write Latency
DQM Write Mask Latency
DQM Data Disable Latency
Clock Suspend Latency
DPL
+ t
RP
.
Parameter
Parameter
http://www.edram.com
133
Min
7.5
7.5
24
2
1
0
2
2
4
5
3
2
1
3
2
1
0
0
2
1
7.5
7.5
Max
66
15
1
1
2
3
2
1
1
2
1
1
0
0
2
1
-
-
-
-
-
Speed Sort
The information contained herein is subject to change without notice.
168-pin Enhanced SDRAM DIMM
100
Min
2.5
10
30
10
1999 Enhanced Memory Systems. All rights reserved.
1
0
2
2
4
5
3
2
1
3
2
1
0
0
2
1
10
10
8MB, 16MB, 32MB DIMM
Max
50
20
1
1
2
3
2
1
1
2
1
1
0
0
2
1
-
-
-
-
-
Units
Units
MHz
CLK
t
t
t
t
t
t
t
t
t
t
t
t
t
t
ns
ns
ns
ns
ns
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
Page 9 of 13
Notes
Notes
1