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| 型號： | MT48LC16M8A2 |
| 廠商： | Micron Technology, Inc. |
| 英文描述： | SYNCHRONOUS DRAM |
| 中文描述： | 同步DRAM |
| 文件頁數(shù)： | 4/59頁 |
| 文件大?。?/td> | 1844K |
| 代理商： | MT48LC16M8A2 |
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4
128Mb: x4, x8, x16 SDRAM
128MSDRAM_E.p65
–
Rev. E; Pub. 1/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
128Mb: x4, x8, x16
SDRAM
TABLE OF CONTENTS
Functional Block Diagram – 32 Meg x 4 ................
Functional Block Diagram – 16 Meg x 8 ................
Functional Block Diagram – 8 Meg x 16 ................
Pin Descriptions .....................................................
5
6
7
8
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................................................................
Bank/Row Activation ........................................
Reads ................................................................
Writes ................................................................
Precharge ...........................................................
Power-Down ......................................................
Clock Suspend ...................................................
Burst Read/Single Write ....................................
9
9
9
9
9
10
11
11
11
12
12
13
13
13
13
13
13
13
13
13
14
14
15
15
16
22
24
24
25
25
Concurrent Auto Precharge ..............................
Truth Table 2 (CKE)
................................................
Truth Table 3 (Current State, Same Bank)
.....................
Truth Table 4 (Current State, Different Bank)
.................
Absolute Maximum Ratings ...................................
DC Electrical Characteristics
and Operating Conditions ...................................
I
DD
Specifications and Conditions .........................
Capacitance ............................................................
26
28
29
31
33
33
33
34
AC Electrical Characteristics and Recommended
Operating Conditions
(Timing Table).............
34
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 ........................
Single Read – Without Auto Precharge ........
Single Read – With Auto Precharge .............
Alternating Bank Read Accesses ...................
Read – Full-Page Burst ..................................
Read – DQM Operation................................
Writes
Write – Without Auto Precharge .................
Write – With Auto Precharge .......................
Single Write – Without Auto Precharge.......
Single Write – With Auto Precharge ............
Alternating Bank Write Accesses .................
Write – Full-Page Burst .................................
Write – DQM Operation ..............................
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
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