HYS64T256020HU-3-A QIMONDA [Qimonda AG], HYS64T256020HU-3-A Datasheet - Page 13

• Manufacturer Part Number: HYS64T256020HU-3-A
• Description: 240-Pin Unbuffered DDR2 SDRAM Modules
• Manufacturer: QIMONDA [Qimonda AG]

Rev. 1.32, 2006-09
03062006-5RK8-1X8J
Abbreviation
I
O
I/O
AI
PWR
GND
NC
Abbreviation
SSTL
LV-CMOS
CMOS
OD
Description
Standard input-only pin. Digital levels.
Output. Digital levels.
I/O is a bidirectional input/output signal.
Power
Ground
Not Connected
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.
Input. Analog levels.
13
Unbuffered DDR2 SDRAM Modules
HYS[64/72]T256xxxHU–[3/…/5]–A
Abbreviations for Buffer Type
Abbreviations for Pin Type
Internet Data Sheet
TABLE 8
TABLE 9