Internet Data Sheet
HYS64T[32/64/128]xxxEDL–[25F/…/3.7](–)B2
Small Outlined DDR2 SDRAM Modules
TABLE 6
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 7
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. 1.1, 2007-01
08212006-PKYN-2H1B
11
QIMONDA [ QIMONDA AG ]
