Internet Data Sheet
HYS72T[64/128/256]xx0HR–[3/3S/3.7/5]–A
Registered DDR2 SDRAM Modules
Ball No.
Name
Pin
Buffer
Function
Type Type
Data Mask
125
DM0
DM1
DM2
DM3
DM4
DM5
DM6
DM7
DM8
I
I
I
I
I
I
I
I
I
SSTL
SSTL
SSTL
SSTL
SSTL
SSTL
SSTL
SSTL
SSTL
Data Masks 8:0
Note: ×8 based module
134
146
155
202
211
223
232
164
EEPROM
120
SCL
SDA
SA0
SA1
SA2
I
CMOS
OD
Serial Bus Clock
119
I/O
Serial Bus Data
239
I
I
I
CMOS
CMOS
CMOS
Serial Address Select Bus 2:0
240
101
Parity
55
ERR_OUT
PAR_IN
O
I
CMOS
CMOS
Parity bits
Note: Not connected on non-parity registered modules.
Power Supplies
1
VREF
AI
—
—
—
I/O Reference Voltage
EEPROM Power Supply
I/O Driver Power Supply
238
VDDSPD
PWR
PWR
51, 56, 62, 72, 75, VDDQ
78, 170, 175,, 181,
191, 194
53, 59, 64, 67, 69, VDD
172, 178, 184,,
187, 189, 197
PWR
GND
—
—
Power Supply
Ground Plane
2, 5, 8, 11, 14, 17, VSS
20, 23, 26, 29, 32,
35, 38, 41, 44, 47,
50, 65, 66, 79, 82,
85, 88, 91, 94, 97,
100, 103, 106, 109,
112, 115, 118, 121,
124, 127, 130, 133,
136, 139, 142, 145,
148, 151, 154, 157,
160, 163, 166, 169,
198, 201, 204, 207,
210, 213, 216, 219,
222, 225, 228, 231,
234, 237
Rev. 1.31, 2006-11
11
03292006-21GC-MK06