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 ×16 Organization
A2, E2, L1, R3, NC
R7, R8
NC
–
Not Connected
Other Balls ×16 Organization
K9
ODT
I
SSTL
On-Die Termination Control
TABLE 8
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 9
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
15
03062006-7M17-PXBC
QIMONDA [ QIMONDA AG ]
