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MT48LC16M8A2TG-7E Datasheet(PDF) 4 Page - Micron Technology |
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MT48LC16M8A2TG-7E Datasheet(HTML) 4 Page - Micron Technology |
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4 / 59 page  4 128Mb: x4, x8, x16 SDRAM Micron Technology, Inc., reserves the right to change products or specifications without notice. 128MSDRAM_E.p65 – Rev. E; Pub. 1/02 ©2001, Micron Technology, Inc. 128Mb: x4, x8, x16 SDRAM TABLE OF CONTENTS Functional Block Diagram – 32 Meg x 4 ................ 5 Functional Block Diagram – 16 Meg x 8 ................ 6 Functional Block Diagram – 8 Meg x 16 ................ 7 Pin Descriptions ..................................................... 8 Functional Description ......................................... 9 Initialization ...................................................... 9 Register Definition ............................................ 9 mode register ................................................ 9 Burst Length ............................................ 9 Burst Type ............................................... 10 CAS Latency ............................................ 11 Operating Mode ...................................... 11 Write Burst Mode .................................... 11 Commands ............................................................. 12 Truth Table 1 (Commands and DQM Operation) ............ 12 Command Inhibit ............................................. 13 No Operation (NOP) .......................................... 13 Load mode register ............................................ 13 Active ................................................................ 13 Read ................................................................ 13 Write ................................................................ 13 Precharge ........................................................... 13 Auto Precharge .................................................. 13 Burst Terminate ................................................. 13 Auto Refresh ...................................................... 14 Self Refresh ........................................................ 14 Operation ................................................................ 15 Bank/Row Activation ........................................ 15 Reads ................................................................ 16 Writes ................................................................ 22 Precharge ........................................................... 24 Power-Down ...................................................... 24 Clock Suspend ................................................... 25 Burst Read/Single Write .................................... 25 Concurrent Auto Precharge .............................. 26 Truth Table 2 (CKE) ................................................ 28 Truth Table 3 (Current State, Same Bank) ..................... 29 Truth Table 4 (Current State, Different Bank) ................. 31 Absolute Maximum Ratings ................................... 33 DC Electrical Characteristics and Operating Conditions ................................... 33 IDD Specifications and Conditions ......................... 33 Capacitance ............................................................ 34 AC Electrical Characteristics and Recommended Operating Conditions (Timing Table) ............. 34 Timing Waveforms Initialize and Load mode register ...................... 37 Power-Down Mode ............................................ 38 Clock Suspend Mode ......................................... 39 Auto Refresh Mode ............................................ 40 Self Refresh Mode .............................................. 41 Reads Read – Without Auto Precharge ................... 42 Read – With Auto Precharge ........................ 43 Single Read – Without Auto Precharge ........ 44 Single Read – With Auto Precharge ............. 45 Alternating Bank Read Accesses ................... 46 Read – Full-Page Burst .................................. 47 Read – DQM Operation ................................ 48 Writes Write – Without Auto Precharge ................. 49 Write – With Auto Precharge ....................... 50 Single Write – Without Auto Precharge ....... 51 Single Write – With Auto Precharge ............ 52 Alternating Bank Write Accesses ................. 53 Write – Full-Page Burst ................................. 54 Write – DQM Operation .............................. 55 |
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