64Mbit – Enhanced SDRAM
8Mx8, 4Mx16 ESDRAM
Preliminary Datasheet
DQM Operation (Default Settings)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CLK
CMD
Rd
Wr
DQM
DQ (CL1)
DQ (CL2)
DQ (CL3)
Q0
Q1
Q0
Q2
Q1
Q0
D0
D0
D2
D3
Q3
Q2
D2
D2
D3
D3
Q3
D0
Read
Write
DQM Operation (EMR bit-9 = 1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CLK
CMD
Rd
Wr
DQM
DQ (CL1)
DQ (CL2)
DQ (CL3)
Q0
Q1
Q0
Q3
D0
D0
D2
D2
D2
D3
D3
D3
Q1
Q0
Q3
Q2
Q3
D0
Read
Write
This is a product in sampling or pre-production phase of development. Charac-
teristic data and other specifications are subject to change without notice.
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: (719) 488-9095; http://www.edram.com
Revision 1.1
Page 29 of 33
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
