HYS72D64301HBR_07 Datasheet, PDF (8/39 Pages) Qimonda AG – 184-Pin Registered Double-Data-Rate SDRAM Module

Internet Data Sheet
HYS72D[64/128/256]xxxHBR–[5/6]–C
Registered Double-Data-Rate SDRAM Module
Pin Name
#
116 V_SS
124
132
139
145
152
160
176
Other Pins
82 V_DDID
9, NC
16,
17,
71,
75,
76,
90,
101,
102,
103,
113,
163,
173
Pin Buffer Function
Type Type
GND –
Ground Plane
O
OD
NC –
V_DD Identification
Note: Pin in tristate,
indicating V_DD and
V_DDQ nets
connected on PCB
Not connected
Pins not connected on
Qimonda RDIMM’s
TABLE 5
Abbreviations for Pin Type
Abbreviation Description
I
O
I/O
AI
PWR
GND
NU
NC
Standard input-only pin. Digital levels.
Output. Digital levels.
I/O is a bidirectional input/output signal.
Input. Analog levels.
Power
Ground
Not Usable (JEDEC Standard)
Not Connected (JEDEC Standard)
TABLE 6
Abbreviations for Buffer Type
Abbreviation Description
SSTL
LV-CMOS
CMOS
OD
Serial Stub Terminalted Logic (SSTL2)
Low Voltage CMOS
CMOS Levels
Open Drain. The corresponding pin has 2
operational states, active low and tristate,
and allows multiple devices to share as a
wire-OR.
Rev. 1.22, 2007-08
8
03292006-6N25-8R3I