HYS72T256023 Datasheet, PDF (12/41 Pages) Qimonda AG – 240-Pin Registered DDR2 SDRAM Modules

Abbreviation
SSTL
CMOS
OD
Abbreviation
I
O
I/O
AI
PWR
GND
NU
NC
Internet Data Sheet
HYS72T[512/256]02xHR–[3S/3.7/5]–A
Registered DDR2 SDRAM Modules
TABLE 6
Abbreviations for Buffer Type
Description
Serial Stub Terminated Logic (SSTL_18)
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.
Description
Standard input-only pin. Digital levels.
Output. Digital levels.
I/O is a bidirectional input/output signal.
Input. Analog levels.
Power
Ground
Not Usable
Not Connected
TABLE 7
Abbreviations for Pin Type
Rev. 1.2, 2007-01
12
03292006-AYVF-ZIIJ