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參數(shù)資料
| 型號(hào)： | UPD45128163G5-A10B |
| 廠商： | NEC Corp. |
| 英文描述： | 128M-bit Synchronous DRAM 4-bank, LVTTL |
| 中文描述： | 128兆位同步DRAM 4銀行，LVTTL |
| 文件頁數(shù)： | 8/92頁 |
| 文件大小： | 1107K |
| 代理商： | UPD45128163G5-A10B |
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Data Sheet M12650EJBV0DS00
8
μ
PD45128441, 45128841, 45128163
CONTENTS
1.
Input / Output Pin Function ............................................................................................................ 10
2.
Commands ....................................................................................................................................... 11
3.
Simplified State Diagram ................................................................................................................ 14
4.
Truth Table ....................................................................................................................................... 15
4.1
Command Truth Table............................................................................................................................. 15
4.2
DQM Truth Table...................................................................................................................................... 15
4.3
CKE Truth Table....................................................................................................................................... 15
4.4
Operative Command Table .................................................................................................................... 16
4.5
Command Truth Table for CKE ............................................................................................................. 19
5.
Initialization ...................................................................................................................................... 20
6.
Programming the Mode Register ................................................................................................... 21
7.
Mode Register .................................................................................................................................. 22
7.1
Burst Length and Sequence .................................................................................................................. 23
8.
Address Bits of Bank-Select and Precharge ................................................................................ 24
9.
Precharge ......................................................................................................................................... 25
10. Auto Precharge ................................................................................................................................ 26
10.1
Read with Auto Precharge .................................................................................................................. 26
10.2
Write with Auto Precharge .................................................................................................................. 27
11. Read / Write Command Interval ..................................................................................................... 28
11.1
Read to Read Command Interval ........................................................................................................ 28
11.2
Write to Write Command Interval ....................................................................................................... 28
11.3
Write to Read Command Interval ........................................................................................................ 29
11.4
Read to Write Command Interval ........................................................................................................ 30
12. Burst Termination ........................................................................................................................... 31
12.1
Burst Stop Command .......................................................................................................................... 31
12.2
Precharge Termination ........................................................................................................................ 32
12.2.1
12.2.2
Precharge Termination in READ Cycle .................................................................................... 32
Precharge Termination in WRITE Cycle .................................................................................. 33
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| UPD4528BC | 制造商:Panasonic Industrial Company 功能描述:IC |
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