HYB18T512xxxBF–[2.5…5]
512-Mbit Double-Data-Rate-Two SDRAM
Table 7
Abbreviations for Pin Type
Abbreviation
Description
I
Standard input-only pin. 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 8
Abbreviation
SSTL
Abbreviations for Buffer Type
Description
Serial Stub Terminated Logic (SSTL_18)
Low Voltage CMOS
CMOS Levels
LV-CMOS
CMOS
OD
Open Drain. The corresponding pin has 2 operational states, active low and tristate,
and allows multiple devices to share as a wire-OR.
Internet Data Sheet
11
Rev. 1.05, 2007-01
03292006-YBYM-WG0Z
QIMONDA [ QIMONDA AG ]
