SM4M64ALDT-6 Enhanced Memory Systems, Inc., SM4M64ALDT-6 Datasheet - Page 7

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

Preliminary Data Sheet
128MB ECC DIMM Functional Block Diagram – SM16M72ALDT
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: [phone];
Revision 1.0
DQ(15:8)
DQMB0
DQMB1
DQMB2
DQMB3
DQ(23:16)
DQ(31:24)
DQ(15:8)
S0#
S1#
S2#
S3#
DQ(7:0)
U0
U1
U2
U3
U4
U10
U11
U12
U13
U9
http://www.edram.com
DQMB4
DQMB5
DQMB6
DQMB7
DQ(47:40)
DQ(39:32)
DQ(55:48)
DQ(63:56)
Note:
SDRAM U11 DQM input
is wired to DQMB5.
U5
U6
U7
U8
U14
U15
U16
U17
The information contained herein is subject to change without notice.
168-pin Low Profile ESDRAM DIMMs
2001 Enhanced Memory Systems. All rights reserved.
A0-A11
SA0-2
RAS#
CAS#
CKE0
CKE1
CK(0:3)
WE#
SCL
BA0
BA1
Vdd
Vss
Note:
All DQ resistor values are 10 ohms.
All CK resistor values are 10 ohms.
U0-U17 are SM2603T.
CK0
CK1
CK2
CK3
32MB, 64MB, 128MB
Clock Wiring
10
Serial PD
5 SDRAM
5 SDRAM
4 SDRAM+3.3 pf
4 SDRAM+3.3 pf
CKE SDRAM U9-17
BA0 SDRAM U0-17
BA1 SDRAM U0-17
A0-A11 SDRAM U0-17
Vdd SDRAM U0-17
Vss SDRAM U0-17
RAS# SDRAM U0-17
CAS# SDRAM U0-17
WE# SDRAM U0-17
CKE SDRAM U0-8
SDRAMs
SDA
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