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IS43LD16640C bảng dữ liệu(PDF) 89 Page - Integrated Silicon Solution, Inc |
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IS43LD16640C bảng dữ liệu(HTML) 89 Page - Integrated Silicon Solution, Inc |
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89 / 142 page  IS43/46LD16640C IS43/46LD32320C Integrated Silicon Solution, Inc. — www.issi.com 89 Rev. C 07/02/2021 ® Long-term Support World Class Quality AC and DC Input Levels for Single-Ended CA and CS# Signals AC and DC Input Levels for CKE Single-Ended AC and DC Input Levels for CKE AC and DC Input Levels for Single-Ended Data Signals Single-Ended AC and DC Input Levels for CA and CS# Inputs Symbol Parameter LPDDR2-1066 to LPDDR2-466 LPDDR2-400 to LPDDR2-200 Unit Notes Min Max Min Max VIHCA(AC)AC input logic high Vref + 0.220Note 2Vref + 0.300Note 2V 1, 2 VILCA(AC)AC input logic lowNote 2Vref - 0.220 Note 2Vref - 0.300V 1, 2 VIHCA(DC) DC input logic high Vref + 0.130 VDDCAVref + 0.200VDDCA V1 VILCA(DC)DC input logic low VSSCAVref - 0.130 VSSCAVref - 0.200V 1 VRefCA(DC) Reference Voltage for CA and CS# inputs 0.49 * VDDCA0.51 * VDDCA0.49 * VDDCA0.51 * VDDCAV 3, 4 Symbol Parameter Min Max Unit Notes VIHCKE CKE Input High Level 0.8 * VDDCA Note 1V 1 VILCKE CKE Input Low LevelNote 10.2 * VDDCAV 1 Single-Ended AC and DC Input Levels for DQ and DM Symbol Parameter LPDDR2-1066 to LPDDR2-466 LPDDR2-400 to LPDDR2-200 Unit Notes Min Max Min Max VIHDQ(AC) AC input logic high Vref + 0.220Note 2Vref + 0.300 Note 2 V1, 2, 5 VILDQ(AC) AC input logic low Note 2Vref - 0.220 Note 2Vref - 0.300 V1, 2, 5 VIHDQ(DC) DC input logic high Vref + 0.130 VDDQ Vref + 0.200VDDQ V1 VILDQ(DC) DC input logic low VSSQVref - 0.130 VSSQVref - 0.200 V1 VRefDQ(DC) Reference Voltage for DQ, DM inputs 0.49 * VDDQ 0.51 * VDDQ 0.49 * VDDQ0.51 * VDDQ V3, 4 Notes: 1. For CA and CS# input only pins. Vref = VrefCA(DC). 2. See “Overshoot and Undershoot Specifications” 3. The ac peak noise on VRefCA may not allow VRefCA to deviate from VRefCA(DC) by more than +/-1% VDDCA (for reference: approx. +/- 12 mV). 4. For reference: approx. VDDCA/2 +/- 12 mV. AC and DC Input Levels for CKE Single-Ended AC and DC Input Levels for CKE AC and DC Input Levels for Single-Ended Data Signals Single-Ended AC and DC Input Levels for CA and CS# Inputs Symbol Parameter LPDDR2-1066 to LPDDR2-466 LPDDR2-400 to LPDDR2-200 Unit Notes Min Max Min Max VIHCA(AC)AC input logic high Vref + 0.220Note 2Vref + 0.300Note 2V 1, 2 VILCA(AC)AC input logic lowNote 2Vref - 0.220 Note 2Vref - 0.300V 1, 2 VIHCA(DC) DC input logic high Vref + 0.130 VDDCAVref + 0.200VDDCA V1 VILCA(DC)DC input logic low VSSCAVref - 0.130 VSSCAVref - 0.200V 1 VRefCA(DC) Reference Voltage for CA and CS# inputs 0.49 * VDDCA0.51 * VDDCA0.49 * VDDCA0.51 * VDDCAV 3, 4 Symbol Parameter Min Max Unit Notes VIHCKE CKE Input High Level 0.8 * VDDCA Note 1V 1 VILCKE CKE Input Low LevelNote 10.2 * VDDCAV 1 Single-Ended AC and DC Input Levels for DQ and DM Symbol Parameter LPDDR2-1066 to LPDDR2-466 LPDDR2-400 to LPDDR2-200 Unit Notes Min Max Min Max VIHDQ(AC) AC input logic high Vref + 0.220Note 2Vref + 0.300 Note 2 V1, 2, 5 VILDQ(AC) AC input logic low Note 2Vref - 0.220 Note 2Vref - 0.300 V1, 2, 5 VIHDQ(DC) DC input logic high Vref + 0.130 VDDQ Vref + 0.200VDDQ V1 VILDQ(DC) DC input logic low VSSQVref - 0.130 VSSQVref - 0.200 V1 VRefDQ(DC) Reference Voltage for DQ, DM inputs 0.49 * VDDQ 0.51 * VDDQ 0.49 * VDDQ0.51 * VDDQ V3, 4 Note: 1. See “Overshoot and Undershoot Specifications” AC and DC Input Levels for CKE Single-Ended AC and DC Input Levels for CKE AC and DC Input Levels for Single-Ended Data Signals Single-Ended AC and DC Input Levels for CA and CS# Inputs Symbol Parameter LPDDR2-1066 to LPDDR2-466 LPDDR2-400 to LPDDR2-200 Unit Notes Min Max Min Max VIHCA(AC)AC input logic high Vref + 0.220Note 2Vref + 0.300Note 2V 1, 2 VILCA(AC)AC input logic lowNote 2Vref - 0.220 Note 2Vref - 0.300V 1, 2 VIHCA(DC) DC input logic high Vref + 0.130 VDDCAVref + 0.200VDDCA V1 VILCA(DC)DC input logic low VSSCAVref - 0.130 VSSCAVref - 0.200V 1 VRefCA(DC) Reference Voltage for CA and CS# inputs 0.49 * VDDCA0.51 * VDDCA0.49 * VDDCA0.51 * VDDCAV 3, 4 Symbol Parameter Min Max Unit Notes VIHCKE CKE Input High Level 0.8 * VDDCA Note 1V 1 VILCKE CKE Input Low LevelNote 10.2 * VDDCAV 1 Single-Ended AC and DC Input Levels for DQ and DM Symbol Parameter LPDDR2-1066 to LPDDR2-466 LPDDR2-400 to LPDDR2-200 Unit Notes Min Max Min Max VIHDQ(AC) AC input logic high Vref + 0.220Note 2Vref + 0.300 Note 2 V1, 2, 5 VILDQ(AC) AC input logic low Note 2Vref - 0.220 Note 2Vref - 0.300 V1, 2, 5 VIHDQ(DC) DC input logic high Vref + 0.130 VDDQ Vref + 0.200VDDQ V1 VILDQ(DC) DC input logic low VSSQVref - 0.130 VSSQVref - 0.200 V1 VRefDQ(DC) Reference Voltage for DQ, DM inputs 0.49 * VDDQ 0.51 * VDDQ 0.49 * VDDQ0.51 * VDDQ V3, 4 Notes: 1. For DQ input only pins. Vref = VrefDQ(DC). 2. See “Overshoot and Undershoot Specifications” 3. The ac peak noise on VRefDQ may not allow VRefDQ to deviate from VRefDQ(DC) by more than +/-1% VDDQ (for reference: approx. +/- 12 mV). 4. For reference: approx. VDDQ/2 +/- 12 mV. |
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