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參數(shù)資料
| 型號： | MT48LC2M32LFFC |
| 廠商： | Micron Technology, Inc. |
| 英文描述： | 512K x 32 x 4 banks 3.3v SDRAM(3.3V,512K x 32 x 4組同步動態(tài)RAM) |
| 中文描述： | 為512k × 32 × 4銀行3.3V的內(nèi)存電壓（3.3V，512K采樣× 32 × 4組同步動態(tài)RAM）的 |
| 文件頁數(shù)： | 3/50頁 |
| 文件大?。?/td> | 1054K |
| 代理商： | MT48LC2M32LFFC |
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3
64Mb: x32, 3.3V SDRAM
BatRam_3V.p65 – Rev. 0.7, Pub. 2/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
64Mb: x32, 3.3V
SDRAM
PRELIMINARY
TABLE OF CONTENTS
Functional Block Diagram - 2 Meg x 32, 4 banks....
Pin Descriptions ......................................................
4
5
Functional Description ......................................
Initialization ......................................................
Register Definition.............................................
Mode Register ..............................................
Burst Length ............................................
Burst Type...............................................
CAS Latency ............................................
Operating Mode .....................................
Write Burst Mode ...................................
Commands ...........................................................
Truth Table 1 (Commands and DQM Operation) ...............
Command Inhibit .............................................
No Operation (NOP) ........................................
Load Mode Register ..........................................
Active ................................................................
Read
................................................................
Write ................................................................
Precharge ...........................................................
Auto Precharge..................................................
Burst Terminate.................................................
Auto Refresh ......................................................
Self Refresh ........................................................
Operation .............................................................
12
Bank/Row Activation .......................................
Reads ................................................................
Writes ................................................................
Precharge ...........................................................
Power-Down .....................................................
Clock Suspend ..................................................
6
6
6
6
6
7
8
8
8
9
9
10
10
10
10
10
10
10
10
11
11
11
12
13
19
21
21
22
Burst Read/Single Write ....................................
Concurrent Auto Precharge..............................
Truth Table 2 (CKE) .........................................................
25
Truth Table 3 (Current State, Same Bank) .........................
26
Truth Table 4 (Current State, Different Bank) ....................
28
Absolute Maximum Ratings ..................................
DC Electrical Characteristics and
Operating Conditions.......................................
I
DD
Specifications and Conditions ........................
Capacitance............................................................
22
23
30
30
31
32
AC Electrical Characteristics
(Timing Table) ....
32
Timing Waveforms
Initialize and Load Mode Register....................
Power-Down Mode ..........................................
Clock Suspend Mode........................................
Auto Refresh Mode...........................................
Self Refresh Mode .............................................
Reads
Read - Without Auto Precharge..................
Read - With Auto Precharge........................
Alternating Bank Read Accesses ..................
Read - Full-Page Burst ..................................
Read - DQM Operation ...............................
Writes
Write - Without Auto Precharge.................
Write - With Auto Precharge.......................
Alternating Bank Write Accesses .................
Write - Full-Page Burst .................................
Write - DQM Operation ..............................
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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