HYS[64/72]D[16/32/64][300/301/320][G/H]U–[5/6]–C
Unbuffered DDR SDRAM Modules
Pin Configuration
Table 4
Pin Configuration of UDIMM (cont’d)
Table 4
Pin Configuration of UDIMM (cont’d)
Pin# Name Pin Buffer Function
Type Type
Pin# Name Pin Buffer Function
Type Type
97
DM0
I
I
I
I
I
I
I
I
I
SSTL Data Mask Bus 7:0
7,
38,
46,
70,
VDD
PWR —
Power Supply
107 DM1
119 DM2
129 DM3
149 DM4
159 DM5
169 DM6
177 DM7
140 DM8
SSTL
SSTL
SSTL
85,
SSTL
108,
120,
148,
168
SSTL
SSTL
SSTL
3,
11,
18,
26,
VSS
GND —
Ground Plane
SSTL Data Mask 8
Note: ECC type module
NC
NC
—
Note: Non-ECC module
EEPROM
34,
42,
50,
58,
66,
74,
81,
92
91
SCL
SDA
I
CMOS Serial Bus Clock
OD Serial Bus Data
CMOS Slave Address Select
I/O
181 SA0
182 SA1
183 SA2
I
I
I
Bus 2:0
CMOS
CMOS
89,
93,
Power Supplies
AI
1
VREF
—
I/O Reference Voltage
100,
116,
124,
132,
139,
145,
152,
160,
176
184 VDDSPD PWR —
EEPROM Power
Supply
15, VDDQ
22,
PWR —
I/O Driver Power
Supply
30,
54,
62,
77,
96,
Other Pins
104,
112,
128,
136,
143,
156,
164,
172,
180
82
VDDID
O
OD
VDD Identification
9,
10,
71,
90,
101,
102,
103,
113,
163,
173
NC
NC
—
Not connected
Internet Data Sheet
7
Rev. 1.11, 2007 - 01
09152006-1LHY-N6G4
QIMONDA [ QIMONDA AG ]
