HYS64T256020EU-25F-B Datasheet, PDF (12/60 Pages) Qimonda AG – 240-Pin unbuffered DDR2 SDRAM Modules

Abbreviation
I
O
I/O
AI
PWR
GND
NC
Abbreviation
SSTL
LV-CMOS
CMOS
OD
Internet Data Sheet
HYS[64/72]T256020EU-[25F/2.5/3/3S/3.7]-B
Unbuffered DDR2 SDRAM Module
Description
Standard input-only pin. Digital levels.
Output. Digital levels.
I/O is a bidirectional input/output signal.
Input. Analog levels.
Power
Ground
Not Connected
TABLE 6
Abbreviations for Pin Type
TABLE 7
Abbreviations for Buffer Type
Description
Serial Stub Terminated Logic (SSTL_18)
Low Voltage CMOS
CMOS Levels
Open Drain. The corresponding pin has 2 operational states, active low and tri-state,
and allows multiple devices to share as a wire-OR.
Rev. 1.0, 2006-10
12
10262006-SX8C-DEY8