MT41J256M4 参数 Datasheet PDF下载

型号：	MT41J256M4
PDF下载：	下载PDF文件查看货源
内容描述：	DDR3 SDRAM MT41J256M4 â ????梅格32 ×4× 8银行MT41J128M8 â ????梅格16 ×8× 8银行MT41J64M16 â ???? 8梅格×16× 8银行 [DDR3 SDRAM MT41J256M4 â 32 Meg x 4 x 8 banks MT41J128M8 â 16 Meg x 8 x 8 banks MT41J64M16 â 8 Meg x 16 x 8 banks]
分类和应用：	动态存储器双倍数据速率
文件页数/大小：	214 页 / 2938 K
品牌：	MICRON [ MICRON TECHNOLOGY ]

1Gb: x4, x8, x16 DDR3 SDRAM

Features

List of Tables

Table 1: Key Timing Parameters ....................................................................................................................... 1

Table 2: Addressing ......................................................................................................................................... 2

Table 3: 78-Ball FBGA – x4, x8 Ball Descriptions .............................................................................................. 19

Table 4: 86-Ball FBGA – x4, x8 Ball Descriptions .............................................................................................. 21

Table 5: 96-Ball FBGA – x16 Ball Descriptions ................................................................................................. 23

Table 6: Absolute Maximum Ratings .............................................................................................................. 30

Table 7: DDR3 Input/Output Capacitance ...................................................................................................... 31

Table 8: Thermal Characteristics .................................................................................................................... 32

Table 9: Timing Parameters Used for I

Measurements – Clock Units ............................................................ 34

Table 10: I

DD0

Measurement Loop .................................................................................................................. 35

Table 11: I

DD1

Measurement Loop .................................................................................................................. 36

Table 12: I

Measurement Conditions for Power-Down Currents ................................................................... 37

Table 13: I

DD2N

and I

DD3N

Measurement Loop ................................................................................................ 38

Table 14: I

DD2NT

Measurement Loop .............................................................................................................. 38

Table 15: I

DD4R

Measurement Loop ................................................................................................................ 39

Table 16: I

DD4W

Measurement Loop ............................................................................................................... 40

Table 17: I

DD5B

Measurement Loop ................................................................................................................ 41

Table 18: I

Measurement Conditions for I

DD6

, I

DD6ET

, and I

DD8

.................................................................... 42

Table 19: I

DD7

Measurement Loop .................................................................................................................. 43

Table 20: I

Maximum Limits – Rev. B, D, F ................................................................................................... 45

Table 21: I

Maximum Limits – Rev. G .......................................................................................................... 46

Table 22: DC Electrical Characteristics and Operating Conditions ................................................................... 47

Table 23: DC Electrical Characteristics and Input Conditions .......................................................................... 47

Table 24: Input Switching Conditions ............................................................................................................. 48

Table 25: Control and Address Pins ................................................................................................................ 50

Table 26: Clock, Data, Strobe, and Mask Pins .................................................................................................. 50

Table 27: Differential Input Operating Conditions (CK, CK# and DQS, DQS#) .................................................. 51

Table 28: Allowed Time Before Ringback (

DVAC) for CK - CK# and DQS - DQS# ............................................... 53

Table 29: Single-Ended Input Slew Rate Definition .......................................................................................... 54

Table 30: Differential Input Slew Rate Definition ............................................................................................. 56

Table 31: On-Die Termination DC Electrical Characteristics ............................................................................ 57

Table 32: R

Effective Impedances ................................................................................................................ 58

Table 33: ODT Sensitivity Definition .............................................................................................................. 59

Table 34: ODT Temperature and Voltage Sensitivity ........................................................................................ 59

Table 35: ODT Timing Definitions .................................................................................................................. 60

Table 36: Reference Settings for ODT Timing Measurements ........................................................................... 60

Table 37: 34 Ohm Driver Impedance Characteristics ....................................................................................... 64

Table 38: 34 Ohm Driver Pull-Up and Pull-Down Impedance Calculations ....................................................... 65

Table 39: 34 Ohm Driver I

Characteristics: V

= V

DDQ

= 1.5V ................................................................ 65

Table 40: 34 Ohm Driver I

Characteristics: V

= V

DDQ

= 1.575V ............................................................. 65

Table 41: 34 Ohm Driver I

Characteristics: V

= V

DDQ

= 1.425V ............................................................. 66

Table 42: 34 Ohm Output Driver Sensitivity Definition .................................................................................... 66

Table 43: 34 Ohm Output Driver Voltage and Temperature Sensitivity .............................................................. 66

Table 44: 40 Ohm Driver Impedance Characteristics ....................................................................................... 67

Table 45: 40 Ohm Output Driver Sensitivity Definition .................................................................................... 67

Table 46: 40 Ohm Output Driver Voltage and Temperature Sensitivity .............................................................. 68

Table 47: Single-Ended Output Driver Characteristics ..................................................................................... 69

Table 48: Differential Output Driver Characteristics ........................................................................................ 70

Table 49: Single-Ended Output Slew Rate Definition ....................................................................................... 72

Table 50: Differential Output Slew Rate Definition .......................................................................................... 73

PDF: 09005aef826aa906

1Gb_DDR3_SDRAM.pdf - Rev. L 03/13 EN

Micron Technology, Inc. reserves the right to change products or specifications without notice.

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MT41J256M4 参数 Datasheet PDF下载

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