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MT8LDT864HXS Datasheet(PDF) 1 Page - Micron Technology |
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MT8LDT864HXS Datasheet(HTML) 1 Page - Micron Technology |
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1 / 32 page  4, 8 Meg x 64 DRAM SODIMMs Micron Technology, Inc., reserves the right to change products or specifications without notice. DM83.p65 – Rev. 2/99 ©1999, Micron Technology, Inc. 1 4, 8 MEG x 64 DRAM SODIMMs SMALL-OUTLINE DRAM MODULE FEATURES • JEDEC pinout in a 144-pin, small-outline, dual in- line memory module (SODIMM) • 32MB (4 Meg x 64) and 64MB (8 Meg x 64) • High-performance CMOS silicon-gate process • Single +3.3V ±0.3V power supply • All inputs, outputs and clocks are TTL-compatible • 4,096-cycle CAS#-BEFORE-RAS# (CBR) refresh distributed across 64ms • FAST PAGE MODE (FPM) or Extended Data-Out (EDO) PAGE MODE access cycles • Optional Self Refresh Mode (S) • Serial presence-detect (SPD) OPTIONS MARKING • Package 144-pin SODIMM (gold) G • Timing 50ns access -5 60ns access -6 • Access Cycles FAST PAGE MODE None EDO PAGE MODE X • Refresh Rates Standard Refresh None Self Refresh (128ms period) S * *Contact factory for availability MT4LDT464H (X)(S), MT8LDT864H (X)(S) For the latest data sheet, please refer to the Micron Web site: www.micronsemi.com/datasheets/datasheet.html PIN ASSIGNMENT (Front View) 144-Pin Small-Outline DIMM (I-1; 32MB) (I-2; 64MB) PIN FRONT PIN BACK PIN FRONT PIN BACK 1VSS 2VSS 73 OE# 74 RFU 3 DQ0 4 DQ32 75 VSS 76 VSS 5 DQ1 6 DQ33 77 RSVD 78 RSVD 7 DQ2 8 DQ34 79 RSVD 80 RSVD 9 DQ3 10 DQ35 81 VDD 82 VDD 11 VDD 12 VDD 83 DQ16 84 DQ48 13 DQ4 14 DQ36 85 DQ17 86 DQ49 15 DQ5 16 DQ37 87 DQ18 88 DQ50 17 DQ6 18 DQ38 89 DQ19 90 DQ51 19 DQ7 20 DQ39 91 VSS 92 VSS 21 VSS 22 VSS 93 DQ20 94 DQ52 23 CAS0# 24 CAS4# 95 DQ21 96 DQ53 25 CAS1# 26 CAS5# 97 DQ22 98 DQ54 27 VDD 28 VDD 99 DQ23 100 DQ55 29 A0 30 A3 101 VDD 102 VDD 31 A1 32 A4 103 A6 104 A7 33 A2 34 A5 105 A8 106 A11 35 VSS 36 VSS 107 VSS 108 VSS 37 DQ8 38 DQ40 109 A9 110 NC (A12) 39 DQ9 40 DQ41 111 A10 112 NC (A13) 41 DQ10 42 DQ42 113 VDD 114 VDD 43 DQ11 44 DQ43 115 CAS2# 116 CAS6# 45 VDD 46 VDD 117 CAS3# 118 CAS7# 47 DQ12 48 DQ44 119 VSS 120 VSS 49 DQ13 50 DQ45 121 DQ24 122 DQ56 51 DQ14 52 DQ46 123 DQ25 124 DQ57 53 DQ15 54 DQ47 125 DQ26 126 DQ58 55 VSS 56 VSS 127 DQ27 128 DQ59 57 RSVD 58 RSVD 129 VDD 130 VDD 59 RSVD 60 RSVD 131 DQ28 132 DQ60 61 RFU 62 RFU 133 DQ29 134 DQ61 63 VDD 64 VDD 135 DQ30 136 DQ62 65 RFU 66 RFU 137 DQ31 138 DQ63 67 WE# 68 RFU 139 VSS 140 VSS 69 RAS0# 70 NC 141 SDA 142 SCL 71 NC 72 NC 143 VDD 144 VDD NOTE: Symbols in parentheses are not used on these modules but may be used for other modules in this product family. They are for reference only. KEY TIMING PARAMETERS FPM Operating Mode SPEED tRC tRAC tPC tAA tCAC tRP -5 90ns 50ns 30ns 25ns 13ns 30ns -6 110ns 60ns 35ns 30ns 15ns 40ns EDO Operating Mode SPEED tRC tRAC tPC tAA tCAC tCAS -5 84ns 50ns 20ns 25ns 13ns 8ns -6 104ns 60ns 25ns 30ns 15ns 10ns |
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