Internet Data Sheet
HYS64T256022EDL–[25F/2.5/3/3S/3.7]–B
Small Outline DDR2 SDRAM Modules
TABLE 6
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 7
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 pin has 2 operational states, active low and tristate, and
allows multiple devices to share as a wire-OR.
Rev. 1.0, 2006-11
10
11172006-DXYK-2PPW