W3H64M72E-XSBX
White Electronic Designs
ADVANCED*
INPUT DC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
VIH(DC)
VIL(DC)
Min
VREF + 0.1 25
-0.300
Max
Unit
V
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
VCCQ + 0.300
VREF - 0.125
V
INPUT AC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
VIH(AC)
VIH(AC)
VIL(AC)
VIL(AC)
Min
VREF + 0.250
VREF + 0.200
—
Max
—
Unit
V
AC Input High (Logic 1) Voltage DDR2-400 & DDR2-533
AC Input High (Logic 1) Voltage DDR2-667
AC Input Low (Logic 0) Voltage DDR2-400 & DDR2-533
AC Input Low (Logic 0) Voltage DDR2-667
—
V
VREF - 0.250
VREF - 0.200
V
—
V
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 1
23
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
