SM4M64DT-10 Enhanced Memory Systems, Inc., SM4M64DT-10 Datasheet - Page 3

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

Preliminary Data Sheet
1Mx64 (8MB) DIMM Functional Block Diagram – SM1M64DT
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: [phone];
Revision 3.1
DQMB2
DQMB0
DQMB3
DQMB1
S0#
S2#
DQ(31:24)
DQ(23:16)
DQ(15:8)
DQ(7:0)
U1
U2
http://www.edram.com
DQMB4
DQMB6
DQMB5
DQMB7
DQ(55:48)
DQ(39:32)
DQ(63:56)
DQ(47:40)
U3
U4
The information contained herein is subject to change without notice.
168-pin Enhanced SDRAM DIMM
A0-A10
1999 Enhanced Memory Systems. All rights reserved.
Vdd
Vss
Note: All DQ resistor values are 10 ohms
BA0
CK0,2
SA0-2
RAS#
CAS#
WE#
CKE0
SCL
8MB, 16MB, 32MB DIMM
All CK resistor values are 10 ohms
U1-U4 are SM2404T ESDRAM
CK
CK0
CK1
CK2
CK3
Clock Termination
10
Clock Wiring
4 ESDRAM+3.3 pf
Termination
4 ESDRAM+3.3 pf
Termination
Serial PD
10
A0-A10 ESDRAM U1-4
Vdd ESDRAM U1-4
Vss ESDRAM U1-4
BA0 ESDRAM U1-4
RAS# ESDRAM U1-4
CAS# ESDRAM U1-4
WE# ESDRAM U1-4
CKE0 ESDRAM U1-4
ESDRAM
10 pf
Page 3 of 13
47K
WP
SDA