MT48LC4M8A1TG-10 View Datasheet(PDF) - Micron Technology
Part Name
Description
Manufacturer
MT48LC4M8A1TG-10 Datasheet PDF : 50 Pages
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TABLE OF CONTENTS
Functional Block Diagram - 4 Meg x 4 ........................ 4
Functional Block Diagram - 2 Meg x 8 ........................ 5
Pin Descriptions ............................................................ 6
Functional Description ................................................ 7
Initialization ............................................................. 7
Register Definitions ................................................. 7
Mode Register ..................................................... 7
Burst Length .................................................. 7
Burst Type ..................................................... 7
CAS Latency .................................................. 9
Operating Mode ............................................ 9
Write Burst Mode ......................................... 9
Commands ..................................................................... 10
Truth Table 1 (Commands and DQM Operation) ....... 10
Command Inhibit .............................................. 11
No Operation (NOP) .......................................... 11
Load Mode Register ........................................... 11
Active ................................................................... 11
Read ..................................................................... 11
Write .................................................................... 11
Precharge ............................................................ 11
Auto Precharge ................................................... 11
Burst Terminate ................................................. 11
Auto Refresh ....................................................... 12
Self Refresh ......................................................... 12
Operation ....................................................................... 13
Bank/Row Activation ......................................... 13
Reads ................................................................... 14
Writes .................................................................. 20
Precharge ............................................................ 22
Power-Down ....................................................... 22
16 MEG: x4, x8
SDRAM
Clock Suspend .................................................... 23
Burst Read/Single Write .................................... 23
Concurrent Auto Precharge .............................. 24
Truth Table 2 (CKE) ................................................. 26
Truth Table 3 (Current State) .................................... 27
Truth Table 4 (Current State) .................................... 29
Absolute Maximum Ratings ......................................... 31
DC Electrical Characteristics and Operating Conditions . 31
ICC Operating Conditions and Maximum Limits ........ 31
Capacitance .................................................................... 32
AC Electrical Characteristics (Timing Table) ............ 32
Timing Waveforms
Initialize and Load Mode Register ......................... 35
Power-Down Mode .................................................. 36
Clock Suspend Mode ............................................... 37
Auto Refresh Mode .................................................. 38
Self Refresh Mode .................................................... 39
Reads
Read - Without Auto Precharge ........................ 40
Read - With Auto Precharge .............................. 41
Alternating Bank Read Accesses ....................... 42
Read - Full-Page Burst ....................................... 43
Read - DQM Operation ...................................... 44
Writes
Write - Without Auto Precharge ....................... 45
Write - With Auto Precharge ............................. 46
Alternating Bank Write Accesses ...................... 47
Write - Full-Page Burst ...................................... 48
Write - DQM Operation ..................................... 49
16 Meg: x4, x8 SDRAM
16MSDRAMx4x8_B.p65 – Rev. 5/98
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©1998, Micron Technology, Inc.
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