- 您现在的位置：买卖IC网 > PDF目录385639 > MT46V4M32LG (Micron Technology, Inc.) I.MX31 LITE KIT PDF资料下载
参数资料
| 型号： | MT46V4M32LG |
| 厂商： | Micron Technology, Inc. |
| 英文描述： | I.MX31 LITE KIT |
| 中文描述： | 双倍数据速率的DDR SDRAM内存 |
| 文件页数： | 3/66页 |
| 文件大小： | 1921K |
| 代理商： | MT46V4M32LG |
第1页第2页当前第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页
3
128Mb: x32 DDR SDRAM
4M32DDR_B.p65 – Rev. B, Pub. 7/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
128Mb: x32
DDR SDRAM
ADVANCE
TABLE OF CONTENTS
Functional Block Diagram - 4 Meg x 32 .....................
Pin Descriptions ..........................................................
4
5
Functional Description
...............................................
Initialization ...........................................................
Register Definition ................................................
Mode Register ...................................................
Burst Length.................................................
Burst Type....................................................
Read Latency...............................................
Operating Mode..........................................
Extended Mode Register................................. 10
DLL Enable/Disable .................................. 10
7
7
7
7
8
9
9
9
Commands
................................................................... 11
Truth Table 1 (Commands)
............................................ 11
Truth Table 1A (DM Operation)
...................................... 11
Deselect................................................................... 12
No Operation (NOP) .............................................. 12
Load Mode Register ............................................... 12
Active ....................................................................... 12
Read ....................................................................... 12
Write ....................................................................... 12
Precharge ................................................................ 12
Auto Precharge....................................................... 12
Burst Terminate ..................................................... 12
Auto Refresh ........................................................... 13
Self Refresh ............................................................. 13
Operation
..................................................................... 14
Bank/Row Activation ............................................. 14
Reads ....................................................................... 15
Read Burst ......................................................... 16
Consecutive Read Bursts ................................ 17
Nonconsecutive Read Bursts ......................... 18
Random Read Accesses ................................... 19
Terminating a Read Burst ............................... 21
Read to Write..................................................... 22
Read to Precharge ............................................ 23
Writes ....................................................................... 24
Write Burst ......................................................... 25
Consecutive Write to Write............................... 26
Nonconsecutive Write to Write ........................ 27
Random Write Cycles ...................................... 28
Write to Read - Uninterrupting ...................... 29
Write to Read - Interrupting ........................... 30
Write to Read - Odd, Interrupting.................. 31
Write to Precharge - Uninterrupting ............. 32
Write to Precharge - Interrupting .................. 33
Write to Precharge - Odd, Interrupting......... 34
Precharge ................................................................ 35
Power-Down ........................................................... 35
Truth Table 2 (CKE)
...................................................... 36
Truth Table 3 (Current State, Same Bank)
........................ 37
Truth Table 4 (Current State, Different Bank)
.................. 39
Operating Conditions
Absolute Maximum Ratings....................................... 41
DC Electrical Characteristics and Operating
Conditions ............................................................... 41
AC Input Operating Conditions ................................ 41
Clock Input Operating Conditions ........................... 42
DC Electrical Characteristics and Operating
Conditions, 1.8V Option ....................................... 43
AC Input Operating Conditions, 1.8V Option ......... 43
Clock Input Operating Conditions, 1.8V Option .... 43
Capacitance.................................................................. 44
I
DD
Specifications and Conditions................................ 44
Electrical Characteristics and Recommended
AC Operating Conditions ..................................... 45
Notes ............................................................................. 46
Derating Data Valid Window ..................................... 47
Voltage and Timing Waveforms
Impedance Match Output.................................... 50
Reduced Output Drive Characteristics .............. 51
Output Timing -
t
DQSQ and
t
QH ......................... 52
Output Timing -
t
AC
and
t
DQSCK ....................... 54
Input Timing .......................................................... 54
Input Voltage.......................................................... 55
Initialize and Load Mode Registers ..................... 56
Power-Down Mode ................................................ 57
Auto Refresh Mode ................................................ 58
Self Refresh Mode .................................................. 59
Reads
Bank Read - Without Auto Precharge............ 60
Bank Read - With Auto Precharge.................. 61
Writes
Bank Write - Without Auto Precharge ........... 62
Bank Write - With Auto Precharge ................. 63
Write - DM Operation ...................................... 64
100-pin TQFP dimensions.......................................... 65
FBGA Package .............................................................. 66
相关PDF资料 |
PDF描述 |
|---|---|
| MT46V64M4 | 16 Meg x 4 x 4 banks DDR SDRAM(16M x 4 x 4组,双数据速率同步动态RAM) |
| MT46V64M8 | 16 Meg x 8 x 4 banks DDR SDRAM(16M x 8 x 4组,双数据速率同步动态RAM) |
| MT48LC16M8A1TG | SYNCHRONOUS DRAM |
| MT48LC32M4A1 | ECONOLINE: RSZ/P - 1kVDC |
| MT48LC32M4A2 | SYNCHRONOUS DRAM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MT46V64M16 | 制造商:MICRON 制造商全称:Micron Technology 功能描述:DOUBLE DATA RATE (DDR) SDRAM |
发布紧急采购，3分钟左右您将得到回复。