W3H32M72E-XSBX Datasheet, PDF (2/30 Pages) White Electronic Designs Corporation – 32M x 72 DDR2 SDRAM 208 PBGA Multi-Chip Package

White Electronic Designs
W3H32M72E-XSBX
PRELIMINARY*
FIGURE 2 – FUNCTIONAL BLOCK DIAGRAM
ODT
A0-12
BA0-1
CK0
CK0#
LDM0
UDM0
LDQS0
LDQS0#
UDQS0
UDQS0#
CS# WE# RAS# CAS# CKE
ODT
A0-12
BA0-1
CK
CK#
LDM
U0
UDM
LDQS
LDQS#
UDQS
DQ0
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ15
UDQS#
CS#
WE#
RAS#
CAS#
CKE
DQ0
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ15
CK1
CK1#
LDM1
UDM1
LDQS1
LDQS1#
UDQS1
UDQS1#
CS# WE# RAS# CAS# CKE
ODT
A0-12
BA0-1
CK
CK#
LDM
U1
UDM
LDQS
LDQS#
DQ0
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ15
UDQS
UDQS#
DQ16
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ31
CK2
CK2#
LDM2
UDM2
LDQS2
LDQS2#
UDQS2
UDQS2#
CS# WE# RAS# CAS# CKE
ODT
A0-12
BA0-1
CK
CK#
LDM
U2
UDM
LDQS
DQ0
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
LDQS#
DQ15
UDQS
UDQS#
DQ32
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ47
CK3
CK3#
LDM3
UDM3
LDQS3
LDQS3#
UDQS3
UDQS3#
CS# WE# RAS# CAS# CKE
ODT
A0-12
BA0-1
CK
CK#
LDM
U3
UDM
LDQS
DQ0
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
LDQS#
DQ15
UDQS
UDQS#
DQ48
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ63
Note: UDQS4 and UDQS4# require a 10 KΩ pull up resistor.
CK4
CK4#
LDM4
LDQS4
LDQS4#
UDQS4
UDQS4#
CS# WE#
ODT
A0-12
BA0-1
CK
CK#
LDM
LDQS
LDQS#
UDQS
RAS#
U4
CAS#
CKE
DQ0
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ8
UDQS#
DQ64
Â¥
Â¥
Â¥
Â¥
Â¥
Â¥
DQ71
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February 2006
Rev. 2
2
White Electronic Designs Corporation • [phone] • www.wedc.com