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M2S28D20ATP Dataheets PDF



Part Number M2S28D20ATP
Manufacturers Mitsubishi
Logo Mitsubishi
Description 128M Double Data Rate Synchronous DRAM
Datasheet M2S28D20ATP DatasheetM2S28D20ATP Datasheet (PDF)

DDR SDRAM (Rev.0.1) Jun,'00 Preliminary MITSUBISHI LSIs M2S28D20/ 30/ 40ATP 128M Double Data Rate Synchronous DRAM PRELIMINARY Some of contents are subject to change without notice. DESCRIPTION M2S28D20ATP is a 4-bank x 8388608-word x 4-bit, M2S28D30ATP is a 4-bank x 4194304-word x 8-bit, M2S28D40ATP is a 4-bank x 2097152-word x 16-bit, double data rate synchronous DRAM, with SSTL_2 interface. All control and address signals are referenced to the rising edge of CLK. Input data is registered .

  M2S28D20ATP   M2S28D20ATP



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DDR SDRAM (Rev.0.1) Jun,'00 Preliminary MITSUBISHI LSIs M2S28D20/ 30/ 40ATP 128M Double Data Rate Synchronous DRAM PRELIMINARY Some of contents are subject to change without notice. DESCRIPTION M2S28D20ATP is a 4-bank x 8388608-word x 4-bit, M2S28D30ATP is a 4-bank x 4194304-word x 8-bit, M2S28D40ATP is a 4-bank x 2097152-word x 16-bit, double data rate synchronous DRAM, with SSTL_2 interface. All control and address signals are referenced to the rising edge of CLK. Input data is registered on both edges of data strobe, and output data and data strobe are referenced on both edges of CLK. The M2S28D20/30/40ATP achieves very high speed data rate up to 133MHz, and are suitable for main memory in computer systems. FEATURES - Vdd=Vddq=2.5V+0.2V - Double data rate architecture; two data transfers per clock cycle - Bidirectional, data strobe (DQS) is transmitted/received with data - Differential clock inputs (CLK and /CLK) - DLL aligns DQ and DQS transitions with CLK transitions edges of DQS - Commands entered on each positive CLK edge; - data and data mask referenced to both edges of DQS - 4 bank operation controlled by BA0, BA1 (Bank Address) - /CAS latency- 2.0/2.5 (programmable) - Burst length- 2/4/8 (programmable) - Burst type- sequential / interleave (programmable) - Auto precharge / All bank precharge controlled by A10 - 4096 refresh cycles /64ms (4 banks concurrent refresh) - Auto refresh and Self refresh - Row address A0-11 / Column address A0-9,11(x4)/ A0-9(x8)/ A0-8(x16) - SSTL_2 Interface - 400-mil, 66-pin Thin Small Outline Package (TSOP II) - FET switch control(/QFC) for x4/ x8 - JEDEC standard MITSUBISHI ELECTRIC 1 DDR SDRAM (Rev.0.1) Jun,'00 Preliminary MITSUBISHI LSIs M2S28D20/ 30/ 40ATP 128M Double Data Rate Synchronous DRAM PIN CONFIGURATION(TOP VIEW) x4 x8 x16 VDD NC VDDQ NC DQ0 VSSQ NC NC VDDQ NC DQ1 VSSQ NC NC VDDQ NC NC VDD NU,/QFC NC /WE /CAS /RAS /CS NC BA0 BA1 A10/AP A0 A1 A2 A3 VDD VDD DQ0 VDDQ NC DQ1 VSSQ NC DQ2 VDDQ NC DQ3 VSSQ NC NC VDDQ NC NC VDD NU,/QFC NC /WE /CAS /RAS /CS NC BA0 BA1 A10/AP A0 A1 A2 A3 VDD VDD DQ0 VDDQ DQ1 DQ2 VSSQ DQ3 DQ4 VDDQ DQ5 DQ6 VSSQ DQ7 NC VDDQ LDQS NC VDD NC LDM /WE /CAS /RAS /CS NC BA0 BA1 A10/AP A0 A1 A2 A3 VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 VSS DQ15 VSSQ DQ14 DQ13 VDDQ DQ12 DQ11 VSSQ DQ10 DQ9 VDDQ DQ8 NC VSSQ UDQS NC VREF VSS UDM /CLK CLK CKE NC NC A11 A9 A8 A7 A6 A5 A4 VSS VSS DQ7 VSSQ NC DQ6 VDDQ NC DQ5 VSSQ NC DQ4 VDDQ NC NC VSSQ DQS NC VREF VSS DM /CLK CLK CKE NC NC A11 A9 A8 A7 A6 A5 A4 VSS VSS NC VSSQ NC DQ3 VDDQ NC NC VSSQ NC DQ2 VDDQ NC NC VSSQ DQS NC VREF VSS DM /CLK CLK CKE NC NC A11 A9 A8 A7 A6 A5 A4 VSS 66pin TSOP(II) 400mil width x 875mil length 0.65mm Lead Pitch ROW A0-11 Column A0-9,11(x4) A0-9 (x8) A0-8 (x16) CLK,/CLK CKE /CS /RAS /CAS /WE DQ0-7 DQS DM /QFC Vref : Master Clock : Clock Enable : Chip Select :.


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