Internet Data Sheet
HYB18TC256[80/16]0BF
256-Mbit Double-Data-Rate-Two SDRAM
TABLE 7
Abbreviations for Ball Type
Abbreviation
I
O
I/O
AI
PWR
GND
NC
Description
Standard input-only ball. Digital levels.
Output. Digital levels.
I/O is a bidirectional input/output signal.
Input. Analog levels.
Power
Ground
Not Connected
TABLE 8
Abbreviations for Buffer Type
Abbreviation
SSTL
LV-CMOS
CMOS
OD
Description
Serial Stub Terminated Logic (SSTL_18)
Low Voltage CMOS
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. 1.3, 2007-05
07182006-DD60-22E6
8
QIMONDA [ QIMONDA AG ]
