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WV3HG128M72EER-D7 Datasheet, PDF (5/11 Pages) White Electronic Designs Corporation – 1GB - 128Mx72 DDR2 SDRAM REGISTERED, w/PLL, Mini-DIMM
White Electronic Designs WV3HG128M72EER-D7
ADVANCED
OPERATING TEMPERATURE CONDITION
Parameter
Symbol
Rating
Units
Notes
Operating temperature (Commercial)
TOPER
0°C to 85°C
°C
1, 2
Notes:
1. Operating temperature is the case surface temperature on the center/top side of the DRAM. For the measurement conditions, please refer to JEDEC JESD51 .2
2. At 0 - 85°C, operation temperature range, all DRAM specification will be supported.
Parameter
Input High (Logic 1 ) Voltage
Input Low (Logic 0) Voltage
INPUT DC LOGIC LEVEL
All voltages referenced to VSS
Symbol
Min
Max
Unit
VIH(DC)
VREF + 0.125
VREF + 0.300
V
VIL(DC)
-0.300
VREF - 0.125
V
INPUT AC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
Max
Unit
AC Input High (Logic 1 ) Voltage DDR2-400 & DDR2-533
VIH(AC)
VREF + 0.250
—
V
AC Input High (Logic 1 ) Voltage DDR2-667
VIH(AC)
VREF + 0.200
—
V
AC Input Low (Logic 0) Voltage DDR2-400 & DDR2-533
VIL(AC)
—
VREF - 0.250
V
AC Input Low (Logic 1 ) Voltage DDR2-667, DDR2-800(TBD)
VIL(AC)
—
VREF - 0.200
V
May 2006
Rev. 0
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com