MT46H32M32LFCM-75 IT:A TR Micron Technology Inc, MT46H32M32LFCM-75 IT:A TR Datasheet - Page 6

• Manufacturer Part Number: MT46H32M32LFCM-75 IT:A TR
• Manufacturer: Micron Technology Inc
• Type: DDR SDRAMr

Specifications of MT46H32M32LFCM-75 IT:A TR

• Organization: 32Mx32
• Density: 1Gb
• Address Bus: 13b
• Access Time (max): 6.5/6ns
• Maximum Clock Rate: 133MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: VFBGA
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 1.95V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 120mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

List of Figures
Figure 1: 1Gb Mobile LPDDR Part Numbering .................................................................................................. 2
Figure 2: Functional Block Diagram (x16) ......................................................................................................... 9
Figure 3: Functional Block Diagram (x32) ....................................................................................................... 10
Figure 4: 60-Ball VFBGA – 10mm x 11.5mm (Top View) ................................................................................... 11
Figure 5: 90-Ball VFBGA – 10mm x 13mm (Top View) ..................................................................................... 12
Figure 6: 60-Ball VFBGA (10mm x 11.5mm) .................................................................................................... 15
Figure 7: 90-Ball VFBGA (10mm x 13mm) ....................................................................................................... 16
Figure 8: Typical Self Refresh Current vs. Temperature ................................................................................... 23
Figure 9: ACTIVE Command .......................................................................................................................... 34
Figure 10: READ Command ........................................................................................................................... 35
Figure 11: WRITE Command ......................................................................................................................... 36
Figure 12: PRECHARGE Command ................................................................................................................ 37
Figure 13: DEEP POWER-DOWN Command .................................................................................................. 38
Figure 14: Simplified State Diagram ............................................................................................................... 44
Figure 15: Initialize and Load Mode Registers ................................................................................................. 46
Figure 16: Alternate Initialization with CKE LOW ............................................................................................ 47
Figure 17: Standard Mode Register Definition ................................................................................................ 48
Figure 18: CAS Latency .................................................................................................................................. 51
Figure 19: Extended Mode Register ................................................................................................................ 52
Figure 20: Status Read Register Timing .......................................................................................................... 54
Figure 21: Status Register Definition .............................................................................................................. 55
Figure 22: READ Burst ................................................................................................................................... 58
Figure 23: Consecutive READ Bursts .............................................................................................................. 59
Figure 24: Nonconsecutive READ Bursts ........................................................................................................ 60
Figure 25: Random Read Accesses ................................................................................................................. 61
Figure 26: Terminating a READ Burst ............................................................................................................. 62
Figure 27: READ-to-WRITE ............................................................................................................................ 63
Figure 28: READ-to-PRECHARGE .................................................................................................................. 64
Figure 29: Data Output Timing –
Figure 30: Data Output Timing –
Figure 31: Data Output Timing –
Figure 32: Data Input Timing ......................................................................................................................... 69
Figure 33: Write – DM Operation ................................................................................................................... 70
Figure 34: WRITE Burst ................................................................................................................................. 71
Figure 35: Consecutive WRITE-to-WRITE ....................................................................................................... 72
Figure 36: Nonconsecutive WRITE-to-WRITE ................................................................................................. 72
Figure 37: Random WRITE Cycles .................................................................................................................. 73
Figure 38: WRITE-to-READ – Uninterrupting ................................................................................................. 74
Figure 39: WRITE-to-READ – Interrupting ...................................................................................................... 75
Figure 40: WRITE-to-READ – Odd Number of Data, Interrupting .................................................................... 76
Figure 41: WRITE-to-PRECHARGE – Uninterrupting ...................................................................................... 77
Figure 42: WRITE-to-PRECHARGE – Interrupting ........................................................................................... 78
Figure 43: WRITE-to-PRECHARGE – Odd Number of Data, Interrupting ......................................................... 79
Figure 44: Bank Read – With Auto Precharge .................................................................................................. 82
Figure 45: Bank Read – Without Auto Precharge ............................................................................................. 83
Figure 46: Bank Write – With Auto Precharge .................................................................................................. 84
Figure 47: Bank Write – Without Auto Precharge ............................................................................................. 85
Figure 48: Auto Refresh Mode ........................................................................................................................ 86
Figure 49: Self Refresh Mode ......................................................................................................................... 88
Figure 50: Power-Down Entry (in Active or Precharge Mode) .......................................................................... 89
PDF: 09005aef82ce3074
1gb_ddr_mobile_sdram_t48m.pdf - Rev. L 04/10 EN
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QH, and Data Valid Window (x16) ................................................... 65
QH, and Data Valid Window (x32) ................................................... 66
DQSCK .......................................................................................... 67
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1Gb: x16, x32 Mobile LPDDR SDRAM
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