64Mbit – High Speed SDRAM (CAS2/150 MHz)
8Mx8 HSDRAM
Preliminary Data Sheet
Pin Assignments (Top View)
8Mx8
VDD
DQ0
VDD
NC
1
54
53
52
51
50
49
48
47
46
45
44
VSS
DQ7
VSS
NC
2
3
4
DQ1
VSS
5
DQ6
VDD
NC
6
NC
DQ2
VDD
NC
7
8
DQ5
VSS
NC
9
54 PIN TSOP-II
400 x 875 mils
0.8 mm pitch
10
11
DQ3
DQ4
VSS
NC
12
13
43
42
VDD
NC
VDD
NC
14
15
16
17
18
19
20
21
22
23
24
25
26
27
41
40
39
38
37
36
35
34
33
32
31
30
29
28
VSS
NC
/WE
/CAS
/RAS
/CS
DQM
CLK
CKE
NC
BA0
BA1
A10/AP
A0
A11
A9
A8
A7
A1
A6
A2
A5
A3
A4
VDD
VSS
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: (719) 488-9095; http://www.edram.com
2000 Enhanced Memory Systems. All rights reserved.
The information contained herein is subject to change without notice.
Page 2 of 20
Revision 1.2
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
