SM4M64DT-10 Enhanced Memory Systems, Inc., SM4M64DT-10 Datasheet - Page 5

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

Preliminary Data Sheet
4Mx64 (32MB) DIMM Functional Block Diagram – SM4M64DT
Enhanced Memory Systems Inc., 1850 Ramtron Dr., Colo Spgs, CO 80921
PHONE: (800) 545-DRAM; FAX: [phone];
Revision 3.1
DQ(23:16)
DQ(31:24)
DQ(15:8)
S2#
DQMB2
DQMB3
S0#
DQMB1
DQMB0
DQ(7:0)
U9
U7
U1
U3
S3#
S1#
U12
U14
U20
U18
http://www.edram.com
DQ(63:56)
DQ(47:40)
DQ(55:48)
DQ(39:32)
DQMB6
DQMB7
DQMB4
DQMB5
U6
U8
U2
U4
U15
U13
U19
U17
The information contained herein is subject to change without notice.
168-pin Enhanced SDRAM DIMM
1999 Enhanced Memory Systems. All rights reserved.
Note: All DQ resistor values are 10 ohms
SA0-2
CKE0
A0-A10
CKE1
RAS#
CAS#
WE#
SCL
BA0
Vdd
Vss
CK0-3
8MB, 16MB, 32MB DIMM
All CK resistor values are 10 ohms
U1-U20 are SM2403T ESDRAM
CK0
CK1
CK2
CK3
Vdd
Clock Wiring
10K
10
Serial PD
4 ESDRAM+3.3 pf
4 ESDRAM+3.3 pf
4 ESDRAM+3.3 pf
4 ESDRAM+3.3 pf
RAS# ESDRAM U1-20
CAS# ESDRAM U1-20
WE# ESDRAM U1-20
CKE0 ESDRAM U1-9
BA0 ESDRAM U1-20
A0-A11 ESDRAM U1-20
Vdd ESDRAM U1-20
Vss ESDRAM U1-20
CKE1 SDRAM U12-20
ESDRAM
Page 5 of 13
47K
WP
SDA