MT48H16M16LFF-8 데이터 시트보기 (PDF) - Micron Technology
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MT48H16M16LFF-8 Datasheet PDF : 58 Pages
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TABLE OF CONTENTS
Functional Block Diagram – 16 Meg x 16 .................. 4
54-Ball FBGA Pin Description .................................... 5
Functional Description ............................................... 6
Initialization ........................................................... 6
Register Definition ................................................ 6
Mode Register ................................................... 6
Burst Length ................................................ 6
Burst Type ................................................... 7
CAS Latency ................................................ 8
Operating Mode .......................................... 8
Write Burst Mode ........................................ 8
Extended Mode Register ........................... 9
Temperature Compensated Self Refresh 9
Partial Array Self Refresh ........................... 10
Deep Power Down ...................................... 10
Driver Strength ........................................... 10
Commands ................................................................... 11
TruthTable1(CommandsandDQMOperation) .............. 11
Command Inhibit .................................................. 12
No Operation (NOP) .............................................. 12
Load mode register ................................................ 12
Active ....................................................................... 12
Read ....................................................................... 12
Write ....................................................................... 12
Precharge ................................................................ 12
Auto Precharge ....................................................... 12
Auto Refresh ........................................................... 12
Self Refresh ............................................................. 13
Operation ..................................................................... 14
Bank/Row Activation ............................................. 14
Reads ....................................................................... 15
Writes ....................................................................... 21
Precharge ................................................................ 23
Power-Down ........................................................... 23
Deep Power-Down ................................................ 24
Clock Suspend ........................................................ 24
Burst Read/Single Write ....................................... 24
Concurrent Auto Precharge ................................. 25
ADVANCE
256Mb: x16
MOBILE SDRAM
Truth Table 2 (CKE) ...................................................... 27
Truth Table 3 (Current State, Same Bank) ...................... 28
Truth Table 4 (Current State, Different Bank) ................. 30
Absolute Maximum Ratings ....................................... 32
DC Electrical Characteristics
and Operating Conditions ..................................... 32
Capacitance .................................................................. 33
AC Electrical Characteristics (Timing Table) ......... 33
IDD Specifications and Conditions ............................. 35
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 - Without Auto Precharge ......... 52
Alternating Bank Write Accesses ................... 53
Write – Full-Page Burst .................................... 54
Write – DQM Operation ................................... 55
Package Dimensions
54-pin FBGA ............................................................ 56
256Mb: x16 Mobile SDRAM
MobileRamY26L_A.p65 – Pub. 5/02
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Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.
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