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參數(shù)資料
| 型號： | μPD4564323 |
| 廠商： | NEC Corp. |
| 英文描述： | 64M-bit Synchronous DRAM(64M 同步動態(tài)RAM) |
| 中文描述： | 6400位同步DRAM（6400同步動態(tài)RAM）的 |
| 文件頁數(shù)： | 6/82頁 |
| 文件大?。?/td> | 659K |
| 代理商： | ΜPD4564323 |
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6
μ
PD4564323
Preliminary Data Sheet
CONTENTS
1.
Input / Output Pin Function .............................................................................................................. 8
2.
Commands ......................................................................................................................................... 9
3.
Simplified State Diagram ................................................................................................................ 12
4.
Truth Table ....................................................................................................................................... 13
4.1
Command Truth Table............................................................................................................................. 13
4.2
DQM Truth Table...................................................................................................................................... 13
4.3
CKE Truth Table....................................................................................................................................... 13
4.4
Operative Command Table .................................................................................................................... 14
4.5
Command Truth Table for CKE ............................................................................................................. 17
5.
Initialization ...................................................................................................................................... 18
6.
Programming the Mode Register ................................................................................................... 19
7.
Mode Register .................................................................................................................................. 20
7.1
Burst Length and Sequence .................................................................................................................. 21
8.
Address Bits of Bank-Select and Precharge ................................................................................ 22
9.
Precharge ......................................................................................................................................... 23
10. Auto Precharge ................................................................................................................................ 24
10.1
Read with Auto Precharge .................................................................................................................. 24
10.2
Write with Auto Precharge .................................................................................................................. 25
11. Read / Write Command Interval ..................................................................................................... 26
11.1
Read to Read Command Interval ........................................................................................................ 26
11.2
Write to Write Command Interval ....................................................................................................... 26
11.3
Write to Read Command Interval ........................................................................................................ 27
11.4
Read to Write Command Interval ........................................................................................................ 28
12. Burst Termination ........................................................................................................................... 29
12.1
Burst Stop Command .......................................................................................................................... 29
12.2
Precharge Termination ........................................................................................................................ 30
12.2.1
12.2.2
Precharge Termination in READ Cycle .................................................................................... 30
Precharge Termination in WRITE Cycle .................................................................................. 31
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PD-45A | 功能描述:線性和開關(guān)式電源 40W 5V/3.2A 12V/2A RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓（通道 1）:20 V 輸出電流（通道 1）:40 A 商用/醫(yī)用: 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:Rack 長度: 寬度: 高度: |
| PD-45B | 功能描述:線性和開關(guān)式電源 44.8W 5V/3.2A 24V/1.2A RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓（通道 1）:20 V 輸出電流（通道 1）:40 A 商用/醫(yī)用: 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:Rack 長度: 寬度: 高度: |
| PD45VN6C100 | 制造商:Banner Engineering 功能描述:SENSOR, PHOTOELECTRIC, PICODOT, CONVERGENT LASER, FOCAL POINT, 1 |
| PD45VN6C100Q | 制造商:Banner Engineering 功能描述:Sensor, PicoDot, Convergent Laser, Focal Point: 102mm, Input 10-30VDC, Cable 2m |
| PD45VN6C200 | 制造商:Banner Engineering 功能描述:PicoDot: Convergent Laser, Focal Point: 203 mm, Input: 10-30V dc, Outputs: Compl |
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