Internet Data Sheet
HY[B/I]18T256[40/80/16]0A[C/F](L)
256-Mbit Double-Data-Rate-Two SDRAM
Ball#
Name
Ball
Type
Buffer
Type
Function
Not Connected ×8 Organization
G1, L3, L7, L8 NC NC
Other Balls ×4 Organization
F9 ODT
Other Balls ×8 Organization
–
Not Connected
I
SSTL
SSTL
On-Die Termination Control
On-Die Termination Control
F9
ODT
I
TABLE 5
Abbreviations for Ball Type
Abbreviation
Description
I
Standard input-only ball. Digital levels.
Output. Digital levels.
I/O is a bidirectional input/output signal.
Input. Analog levels.
Power
O
I/O
AI
PWR
GND
NC
Ground
Not Connected
TABLE 6
Abbreviations for Buffer Type
Abbreviation
Description
SSTL
Serial Stub Terminated Logic (SSTL_18)
Low Voltage CMOS
LV-CMOS
CMOS
OD
CMOS Levels
Open Drain. The corresponding ball has 2 operational states, active low and tristate, and
allows multiple devices to share as a wire-OR.
Rev. 1.50, 2007-12
10
03062006-7M17-PXBC
QIMONDA [ QIMONDA AG ]
