NTC Proprietary
Level: Property
DDR3(L)-2Gb SDRAM
NT5CB(C)256M8JQ/NT5CB(C)128M16JR
Input Nominal Slew Rate Definition for single ended signals
Delta
TRdiff
VIHdiffMin
0
VILdiffMax
Delta
TFdiff
AC and DC Output Measurement Levels
Single Ended AC and DC Output Levels
Symbol
VOH(DC)
VOM(DC)
VOL(DC)
VOH(AC)
VOL(AC)
Parameter
DDR3(L)
0.8xVDDQ
Unit Notes
DC output high measurement level (for IV curve linearity)
DC output mid measurement level (for IV curve linearity)
DC output low measurement level (fro IV curve linearity)
AC output high measurement level (for output SR)
AC output low measurement level (for output SR)
V
V
V
0.5xVDDQ
0.2xVDDQ
VTT+0.1xVDDQ
VTT-0.1xVDDQ
V
V
1
1
Note:
1. The swing of ±0.1 x VDDQ is based on approximately 50% of the static single ended output high or low swing with a driver
impedance of 40 Ω and an effective test load of 25 Ω to VTT = VDDQ/2.
Differential AC and DC Output Levels
Symbol
Parameter
DDR3(L)
+0.2 x VDDQ
-0.2 x VDDQ
Unit Notes
VOHdiff(AC) AC differential output high measurement level (for output SR)
VOLdiff(AC) AC differential output low measurement level (for output SR)
V
V
1
1
Note:
1. The swing of ± 0.2 x VDDQ is based on approximately 50% of the static differential output high or low swing with a driver
impedance of 40 Ω and an effective test load of 25 Ω to VTT=VDDQ/2 at each of the differential outputs.
Version 1.4
05/2019
99
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