2Gb: x4, x8, x16 DDR3 SDRAM - Micron

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2Gb: x4, x8, x16 DDR3 SDRAM Asynchronous to Synchronous ODT Mode Transition (Power- Down Exit) Asynchronous to Synchronous ODT Mode Transition (Short CKE Pulse) If the time in the precharge power-down or idle states is very short (short CKE LOW pulse), the power-down entry and power-down exit transition periods overlap. When overlap occurs, the response of the DRAM’s RTT to a change in the ODT state can be synchronous or asynchronous from the start of the power-down entry transition period to the end of the power-down exit transition period, even if the entry period ends later than the exit period. If the time in the idle state is very short (short CKE HIGH pulse), the power-down exit and power-down entry transition periods overlap. When this overlap occurs, the response of the DRAM’s RTT to a change in the ODT state may be synchronous or asynchronous from the start of power-down exit transition period to the end of the powerdown entry transition period. PDF: 09005aef826aaadc 2Gb_DDR3_SDRAM.pdf – Rev. P 2/12 EN 210 Micron Technology, Inc. reserves the right to change products or specifications without notice. � 2006 Micron Technology, Inc. All rights reserved.
PDF: 09005aef826aaadc Micron Technology, Inc. reserves the right to change products or specifications without notice. 2Gb_DDR3_SDRAM.pdf – Rev. P 2/12 EN 211 � 2006 Micron Technology, Inc. All rights reserved. Figure 119: Transition Period for Short CKE LOW Cycles with Entry and Exit Period Overlapping CK# CK Command CKE T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 Ta0 Ta1 Ta2 Ta3 Ta4 REF NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP t ANPD Note: 1. AL = 0, WL = 5, t ANPD = 4. PDE transition period t RFC (MIN) t ANPD PDX transition period Short CKE low transition period (R TT change asynchronous or synchronous) t XPDLL Indicates break in time scale Figure 120: Transition Period for Short CKE HIGH Cycles with Entry and Exit Period Overlapping CK# CK Command CKE T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 Transitioning Transitioning Don’t Care NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP t ANPD t ANPD t XPDLL Short CKE HIGH transition period (R TT change asynchronous or synchonous) Note: 1. AL = 0, WL = 5, t ANPD = 4. Ta0 Ta1 Ta2 Ta3 Ta4 Indicates break in time scale Don’t Care 2Gb: x4, x8, x16 DDR3 SDRAM Asynchronous to Synchronous ODT Mode Transition (Power- Down Exit)
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DDR3 SDRAM MT41J512M4 - 64 Meg x 4
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2Gb: x4, x8, x16 DDR3 SDRAM Feature
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State Diagram Figure 2: Simplified
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2Gb: x4, x8, x16 DDR3 SDRAM Functio
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Figure 4: 256 Meg x 8 Functional Bl
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Figure 7: 96-Ball FBGA - x16 (Top V
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Table 3: 78-Ball FBGA - x4, x8 Ball
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Table 4: 96-Ball FBGA - x16 Ball De
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Figure 9: 78-Ball FBGA - x4, x8 (HX
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Figure 11: 96-Ball FBGA - x16 (JT)
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Input/Output Capacitance Table 6: D
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Figure 12: Thermal Measurement Poin
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Table 9: I DD0 Measurement Loop CK,
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2Gb: x4, x8, x16 DDR3 SDRAM Electri
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Table 14: I DD4R Measurement Loop C
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Table 16: I DD5B Measurement Loop C
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Table 18: I DD7 Measurement Loop CK
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Electrical Characteristics - I DD S
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Table 21: I DD Maximum Limits - Die
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Electrical Specifications - DC and
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Figure 13: Input Signal 0.925V 0.85
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Table 28: Differential Input Operat
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Figure 18: Definition of Differenti
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Figure 19: Nominal Slew Rate Defini
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ODT Characteristics Figure 21: ODT
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Table 33: R TT Effective Impedances
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Figure 23: t AON and t AOF Definiti
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Output Driver Impedance Figure 26:
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34 Ohm Driver The 34� driver’s
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Alternative 40 Ohm Driver Table 45:
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Output Characteristics and Operatin
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Figure 28: Differential Output Sign
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Slew Rate Definitions for Different
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Table 53: DDR3-1333 Speed Bins DDR3
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Table 55: DDR3-1866 Speed Bins DDR3
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PDF: 09005aef826aaadc Micron Techno
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2Gb: x4, x8, x16 DDR3 SDRAM Command
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Table 62: Derating Values for t IS/
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Figure 32: Nominal Slew Rate and t
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Figure 34: Tangent Line for t IS (C
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Data Setup, Hold, and Derating 2Gb:
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Table 68: Derating Values for t DS/
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2Gb: x4, x8, x16 DDR3 SDRAM Data Se
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Figure 37: Nominal Slew Rate for t
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Figure 39: Tangent Line for t DH (D
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2Gb: x4, x8, x16 DDR3 SDRAM Command
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Commands DESELECT NO OPERATION ZQ C
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PRECHARGE REFRESH 2Gb: x4, x8, x16
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DLL Disable Mode • All other self
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Figure 42: DLL Disable Mode to DLL
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Input Clock Frequency Change 2Gb: x
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Write Leveling Figure 45: Write Lev
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Write Leveling Procedure 2Gb: x4, x
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Write Leveling Mode Exit Procedure
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Figure 48: Initialization Sequence
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Figure 50: MRS to nonMRS Command Ti
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Table 77: Burst Order Burst Length
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Mode Register 1 (MR1) Figure 53: Mo
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On-Die Termination (ODT) WRITE LEVE
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Mode Register 2 (MR2) Figure 55: Mo
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SRT versus ASR 2Gb: x4, x8, x16 DDR
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Figure 58: MPR Block Diagram Memory
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MPR Read Predefined Pattern The pre
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ACTIVATE Operation Before any READ
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READ Operation Figure 66: READ Late
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Page 163 and 164: 2Gb: x4, x8, x16 DDR3 SDRAM READ Op
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Page 167 and 168: Figure 80: t RPST Timing CK CK# DQS
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Page 175 and 176: Figure 90: WRITE (BL8) to PRECHARGE
Page 177 and 178: Figure 93: Data Input Timing DQS, D
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Page 181 and 182: Power-Down Mode Power-down is synch
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Page 187 and 188: Figure 102: ACTIVATE to Power-Down
Page 189 and 190: RESET Operation 2Gb: x4, x8, x16 DD
Page 191 and 192: On-Die Termination (ODT) Figure 107
Page 193 and 194: Dynamic ODT Dynamic ODT Special Use
Page 195 and 196: Table 89: Mode Registers for R TT(W
Page 199 and 200: Synchronous ODT Mode ODT Latency an
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2Gb: x4, x8, x16 DDR3 SDRAM - Micron

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