1Gb: x4, x8, x16 DDR2 SDRAM Features DDR2 SDRAM MT47H256M4 - 32 Meg x 4 x 8 banks MT47H128M8 - 16 Meg x 8 x 8 banks MT47H64M16 - 8 Meg x 16 x 8 banks Options1 Features * * * * * * * * * * * * * * * * * * * Configuration - 256 Meg x 4 (32 Meg x 4 x 8 banks) - 128 Meg x 8 (16 Meg x 8 x 8 banks) - 64 Meg x 16 (8 Meg x 16 x 8 banks) * FBGA package (Pb-free) - x16 - 84-ball FBGA (8mm x 12.5mm) Rev. G, H * FBGA package (Pb-free) - x4, x8 - 60-ball FBGA (8mm x 11.5mm) Rev. G * FBGA package (Pb-free) - x4, x8 - 60-ball FBGA (8mm x 10mm) Rev. H * FBGA package (lead solder) - x16 - 84-ball FBGA (8mm x 12.5mm) Rev. G, H * FBGA package (lead solder) - x4, x8 - 60-ball FBGA (8mm x 11.5mm) Rev. G * FBGA package (lead solder) - x4, x8 - 60-ball FBGA (8mm x 10mm) Rev. H * Timing - cycle time - 1.875ns @ CL = 7 (DDR2-1066) - 2.5ns @ CL = 5 (DDR2-800) - 2.5ns @ CL = 6 (DDR2-800) - 3.0ns @ CL = 4 (DDR2-667) - 3.0ns @ CL = 5 (DDR2-667) - 3.75ns @ CL = 4 (DDR2-533) * Self refresh - Standard - Low-power * Operating temperature - Commercial (0C TC 85C) - Industrial (-40C TC 95C; -40C TA 85C) - Automotive (-40C TC , TA 105C) * Revision VDD = +1.8V 0.1V, VDDQ = +1.8V 0.1V JEDEC-standard 1.8V I/O (SSTL_18-compatible) Differential data strobe (DQS, DQS#) option 4n-bit prefetch architecture Duplicate output strobe (RDQS) option for x8 DLL to align DQ and DQS transitions with CK 8 internal banks for concurrent operation Programmable CAS latency (CL) Posted CAS additive latency (AL) WRITE latency = READ latency - 1 tCK Selectable burst lengths (BL): 4 or 8 Adjustable data-output drive strength 64ms, 8192-cycle refresh On-die termination (ODT) Industrial temperature (IT) option Automotive temperature (AT) option RoHS-compliant Supports JEDEC clock jitter specification Note: PDF: 09005aef821ae8bf 1GbDDR2.pdf - Rev. V 6/10 EN 1 Marking 256M4 128M8 64M16 HR HQ CF HW HV JN -187E -25E -25 -3E -3 -37E None L None IT AT :G/:H 1. Not all options listed can be combined to define an offered product. Use the Part Catalog Search on www.micron.com for product offerings and availability. Micron Technology, Inc. reserves the right to change products or specifications without notice. (c) 2004 Micron Technology, Inc. All rights reserved. Products and specifications discussed herein are subject to change by Micron without notice. 1Gb: x4, x8, x16 DDR2 SDRAM Features Table 1: Key Timing Parameters Data Rate (MT/s) tRC Speed Grade CL = 3 CL = 4 CL = 5 CL = 6 CL = 7 (ns) -187E 400 533 667 800 1066 54 -25E 400 533 800 800 n/a 55 -25 400 533 667 800 n/a 55 -3E 400 667 667 n/a n/a 54 -3 400 533 667 n/a n/a 55 -37E 400 533 n/a n/a n/a 55 Table 2: Addressing Parameter 256 Meg x 4 128 Meg x 8 64 Meg x 16 Configuration 32 Meg x 4 x 8 banks 16 Meg x 8 x 8 banks 8 Meg x 16 x 8 banks Refresh count 8K 8K 8K A[13:0] (16K) A[13:0] (16K) A[12:0] (8K) Row address Bank address Column address BA[2:0] (8) BA[2:0] (8) BA[2:0] (8) A[11, 9:0] (2K) A[9:0] (1K) A[9:0] (1K) Figure 1: 1Gb DDR2 Part Numbers Example Part Number: MT47H128M8CF-25 Configuration Package Speed Revision { MT47H : :G/:H Configuration Revision L Low power 256 Meg x 4 256M4 IT Industrial temperature 128 Meg x 8 128M8 AT Automotive temperature 64 Meg x 16 64M16 Package -187E Speed Grade tCK = 1.875ns, CL = 7 Pb-free -25E tCK = 2.5ns, CL = 5 84-ball 8mm x 12.5mm FBGA HR -25 tCK = 2.5ns, CL = 6 60-ball 8mm x 11.5mm FBGA HQ -3E tCK = 3ns, CL = 4 60-ball 8mm x 10.0mm FBGA CF -3 tCK = 3ns, CL = 5 Lead solder 84-ball 8mm x 12.5mm FBGA HW 60-ball 8mm x 10mm FBGA JN 60-ball 8mm x 11.5mm FBGA HV Note: -37E tCK = 3.75ns, CL = 4 1. Not all speeds and configurations are available in all packages. PDF: 09005aef821ae8bf 1GbDDR2.pdf - Rev. V 6/10 EN 2 Micron Technology, Inc. reserves the right to change products or specifications without notice. (c) 2004 Micron Technology, Inc. All rights reserved. 1Gb: x4, x8, x16 DDR2 SDRAM Features FBGA Part Number System Due to space limitations, FBGA-packaged components have an abbreviated part marking that is different from the part number. For a quick conversion of an FBGA code, see the FBGA Part Marking Decoder on Micron's Web site: http://www.micron.com. PDF: 09005aef821ae8bf 1GbDDR2.pdf - Rev. V 6/10 EN 3 Micron Technology, Inc. reserves the right to change products or specifications without notice. (c) 2004 Micron Technology, Inc. All rights reserved.