mt48lc1m16a1 Micron Semiconductor Products, mt48lc1m16a1 Datasheet - Page 3

• Manufacturer Part Number: mt48lc1m16a1
• Description: Synchronous Dram
• Manufacturer: Micron Semiconductor Products

TABLE OF CONTENTS
Functional Block Diagram - 1 Meg x 16 ................. 3
Pin Descriptions ........................................................ 4
Functional Description ........................................ 5
Commands .............................................................. 8
Operation ................................................................ 11
16Mb: x16 IT SDRAM
16MSDRAMx16IT.p65 – Rev. 5/99
Initialization ........................................................ 5
Register Definitions ............................................. 5
Truth Table 1 (Commands and DQM Operation)
Command Inhibit ............................................... 9
No Operation (NOP) .......................................... 9
Load Mode Register ............................................ 9
Active .................................................................. 9
Read .................................................................. 9
Write .................................................................. 9
Precharge ............................................................. 9
Auto Precharge .................................................... 9
Burst Terminate ................................................... 9
Auto Refresh ........................................................ 10
Self Refresh .......................................................... 10
Bank/Row Activation ......................................... 11
Reads .................................................................. 12
Writes .................................................................. 18
Precharge ............................................................. 20
Power-Down ....................................................... 20
Clock Suspend .................................................... 21
Burst Read/Single Write ...................................... 21
Mode Register ................................................ 5
Burst Length .............................................. 5
Burst Type ................................................. 5
CAS Latency .............................................. 7
Operating Mode ....................................... 7
Write Burst Mode ..................................... 7
.............. 8
3
Absolute Maximum Ratings .................................... 29
DC Electrical Characteristics and
I
Capacitance .............................................................. 30
AC Electrical Characteristics (Timing Table) .... 30
Timing Waveforms
DD
Concurrent Auto Precharge ................................ 22
Truth Table 2 (CKE)
Truth Table 3 (Current State, Same Bank)
Truth Table 4 (Current State, Different Bank)
Operating Conditions ........................................... 29
Initialize and Load Mode Register ...................... 33
Power-Down Mode ............................................ 34
Clock Suspend Mode .......................................... 35
Auto Refresh Mode ............................................. 36
Self Refresh Mode ............................................... 37
Reads
Writes
Specifications and Conditions .......................... 29
Read - Single Read ......................................... 38
Read - Without Auto Precharge .................... 39
Read - With Auto Precharge .......................... 40
Alternating Bank Read Accesses .................... 41
Read - Full-Page Burst .................................... 42
Read - DQM Operation ................................. 43
Write - Single Write ....................................... 44
Write - Without Auto Precharge ................... 45
Write - With Auto Precharge ......................... 46
Alternating Bank Write Accesses ................... 47
Write - Full-Page Burst ................................... 48
Write - DQM Operation ................................ 49
Micron Technology, Inc., reserves the right to change products or specifications without notice.
................................................... 24
16Mb: x16
IT SDRAM
....................... 25
................... 27
©1999, Micron Technology, Inc.