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K4B4G1646E Datasheet(PDF) 56 Page - Samsung semiconductor |
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K4B4G1646E Datasheet(HTML) 56 Page - Samsung semiconductor |
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56 / 71 page  - 56 - datasheet K4B4G1646E DDR3L SDRAM Rev. 1.1 [ Table 55 ] Derating values DDR3L-800/1066/1333/1600 tIS/tIH-AC/DC based AC160 Threshold (1.35V) [ Table 56 ] Derating values DDR3L-800/1066/1333/1600 tIS/tIH-AC/DC based - Alternate AC135 Threshold (1.35V) [ Table 57 ] Derating values DDR3L-1866 tIS/tIH-AC/DC based - Alternate AC125 Threshold (1.35V) tIS, tIH Derating [ps] AC/DC based AC160 Threshold -> VIH(AC) = VREF(DC) + 160mV, VIL(AC) = VREF(DC) - 160mV CLK,CLK Differential Slew Rate 4.0 V/ns 3.0 V/ns 2.0 V/ns 1.8 V/ns 1.6 V/ns 1.4V/ns 1.2V/ns 1.0V/ns tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH CMD/ ADD Slew rate V/ns 2.0 80458045804588539661 104 69 112 79 120 95 1.5 533053305330613869467754 85 64 93 80 1.0 00000088 16 16 24 24 32 34 40 50 0.9 -1-3-1-3-1-3 7 5 15 13 23 21 31 31 39 47 0.8 -3-8-3-8-3-8 5 1 13 9 21 17 29 27 37 43 0.7 -5 -13 -5 -13 -5 -13 3 -5 11 3 19 11 27 21 35 37 0.6 -8 -20 -8 -20 -8 -20 0 -12 8 -4 16 4 24 14 32 30 0.5 -20 -30 -20 -30 -20 -30 -12 -22 -4 -14 4 -6 12 4 20 20 0.4 -40 -45 -40 -45 -40 -45 -32 -37 -24 -29 -16 -21 -8 -11 0 5 tIS, tIH Derating [ps] AC/DC based Alternate AC135 Threshold -> VIH(AC) = VREF(DC) + 135mV, VIL(AC) = VREF(DC) - 135mV CLK,CLK Differential Slew Rate 4.0 V/ns 3.0 V/ns 2.0 V/ns 1.8 V/ns 1.6 V/ns 1.4V/ns 1.2V/ns 1.0V/ns tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH CMD/ ADD Slew rate V/ns 2.0 6845 684568 45765384619269 100 79 108 95 1.5 4530 453045 30533861466954 776485 80 1.0 000000 88 16 16 24 24 32 34 40 50 0.9 2 -3 2 -3 2 -3 10 5 18132621 343142 47 0.8 3 -8 3 -8 3 -8 11 1 19 9 2717 352743 43 0.7 6 -13 6 -13 6 -13 14 -5 22 3 30 11 38 21 46 37 0.6 9 -209-20 9-20 17 -12 25 -433 4 41 14 49 30 0.5 5 -30 5 -30 5 -30 13 -22 21 -14 29 -6 37 4 45 20 0.4 -3 -45 -3 -45 -3 -45 6 -37 14 -29 22 -21 30 -11 38 5 tIS, tIH Derating [ps] AC/DC based Alternate AC135 Threshold -> VIH(AC) = VREF(DC) + 125mV, VIL(AC) = VREF(DC) - 125mV CLK,CLK Differential Slew Rate 4.0 V/ns 3.0 V/ns 2.0 V/ns 1.8 V/ns 1.6 V/ns 1.4V/ns 1.2V/ns 1.0V/ns tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH tIS tIH CMD/ ADD Slew rate V/ns 2.0 6345 634563 45715379618769 9579 103 95 1.5 4230 423042 30503858466654 746482 80 1.0 000000 88 16 16 24 24 32 34 40 50 0.9 3 -3 3 -3 3 -3 11 5 19 13 27 21 35 31 43 47 0.8 6 -8 6 -8 6 -8 14122930 17 38 27 46 43 0.7 10 -13 10 -13 10 -13 18 -5 26 3 34 11 42 21 50 37 0.6 16 -20 16 -20 16 -20 24 -12 32 4 40 -4 48 14 56 30 0.5 15 -30 15 -30 15 -30 23 -22 31 -14 39 -6 47 4 55 20 0.4 13 -45 13 -45 13 -45 21 -37 29 -29 37 -21 45 -11 53 5 |
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