SM4M64ALDT-6 Enhanced Memory Systems, Inc., SM4M64ALDT-6 Datasheet - Page 3

• Manufacturer Part Number: SM4M64ALDT-6
• Description: 168-pin Low Profile ESDRAM DIMM
• Manufacturer: Enhanced Memory Systems, Inc.

Preliminary Data Sheet
32MB DIMM Functional Block Diagram – SM4M64ALDT
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: [phone];
Revision 1.0
DQMB0
DQMB1
DQMB4
DQMB5
DQMB2
DQMB3
DQMB6
DQMB7
DQ(47:32)
DQ(31:16)
DQ(63:48)
DQ(15:0)
S0#
S2#
http://www.edram.com
U0
U2
U1
U3
The information contained herein is subject to change without notice.
168-pin Low Profile ESDRAM DIMMs
A0-A11
SA0-2
RAS#
CAS#
CKE0
WE#
SCL
BA0
BA1
Vdd
CK0,2
CK1,3
Vss
Note:
All DQ resistor values are 10 ohms.
All CK resistor values are 10 ohms.
U0-U3 are SM2604T.
CK0
CK1
CK2
CK3
Clock Termination
2001 Enhanced Memory Systems. All rights reserved.
Clock Wiring
10
10
Serial PD
2 SDRAM+15 pf
Termination
2 SDRAM+15 pf
Termination
BA0 SDRAM U0-3
BA1 SDRAM U0-3
A0-A11 SDRAM U0-3
Vdd SDRAM U0-3
Vss SDRAM U0-3
RAS# SDRAM U0-3
CAS# SDRAM U0-3
WE# SDRAM U0-3
CKE0 SDRAM U0-3
10 pf
32MB, 64MB, 128MB
SDRAMs
SDA
47K
WP
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