WV3EG216M64STSU-D4 Datasheet, PDF (5/11 Pages) White Electronic Designs Corporation – 256MB - 2x16Mx64 DDR SDRAM UNBUFFERED

White Electronic Designs ^{WV3EG216M64STSU-D4}
PRELIMINARY*
AC OPERATING TEST CONDITIONS
Parameter/Condition
Symbol
Min
Max
Unit
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
Input Differential Voltage, CK and CK# inputs
Input Crossing Point Voltage, CK and CK# inputs
VIH(AC)
VREF +0.31
V
VIL(AC)
VREF -0.31
V
VID(AC)
0.7
VCCQ+0.6
V
VIX(AC)
0.5*VCCQ-0.2 0.5*VCCQ+0.2
V
NOTES:
1. VIH overshoot: VIH = VCCQ +1.5V for a pulse width < 3ns and the pulse can not be greater than 1/3 of the cycle rate.
VIL undershoot: VIL = -1.5V for a pulse width < 3ns and the pulse can not be greater than 1/3 of the cycle rate.
Note
1
1
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
August 2005
Rev. 0
5
White Electronic Designs Corporation • [phone] • www.wedc.com