SM4M64ALDT-6 Enhanced Memory Systems, Inc., SM4M64ALDT-6 Datasheet - Page 4

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

168-pin Low profile ESDRAM DIMMs
32MB, 64MB, 128MB
64MB DIMM Functional Block Diagram – SM8M64ALDT
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: [phone];
Page 4 of 15
DQMB0
DQMB1
DQMB2
DQMB3
DQ(23:16)
DQ(31:24)
DQ(15:8)
S0#
S2#
DQ(7:0)
U0
U1
U2
U3
http://www.edram.com
DQMB4
DQMB5
DQMB6
DQMB7
DQ(39:32)
DQ(47:40)
DQ(55:48)
DQ(63:56)
U4
U5
U6
U7
The information contained herein is subject to change without notice.
2001 Enhanced Memory Systems. All rights reserved.
A0-A11
SA0-2
RAS#
CAS#
CKE0
WE#
SCL
BA0
BA1
Vdd
Vss
CK0,2
CK1,3
Note:
All DQ resistor values are 10 ohms.
All CK resistor values are 10 ohms.
U0-U7 are SM2603T.
CK0
CK1
CK2
CK3
Preliminary Data Sheet
Clock Termination
Clock Wiring
10
10
Serial PD
4 SDRAM+3.3 pf
Termination
4 SDRAM+3.3 pf
Termination
BA0 SDRAM U0-7
BA1 SDRAM U0-7
A0-A11 SDRAM U0-7
Vdd SDRAM U0-7
Vss SDRAM U0-7
RAS# SDRAM U0-7
CAS# SDRAM U0-7
WE# SDRAM U0-7
CKE SDRAM U0-7
10 pf
SDRAMs
Revision 1.0
SDA
47K
WP