参数资料
型号: DDRSDRAM1111
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: DDR SDRAM Specification Version 1.0
中文描述: DDR SDRAM的规范版本1.0
文件页数: 4/53页
文件大小: 669K
代理商: DDRSDRAM1111
- 4 -
REV. 1.0 November. 2. 2000
128Mb DDR SDRAM
Contents
Revision History
General Information
2
9
1. Key Features
1.1 Features
1.2 Operating Frequencies
2. Package Pinout & Dimension 11
2.1 Package Pintout
2.2 Input/Output Function Description
2.3 66 Pin TSOP(II)/MS-024FC Package Physical Dimension
3. Functional Description
3.1 Simplified State Diagram
3.2 Basic Functionality
3.2.1 Power-Up Sequence
3.2.2 Mode Register Definition
3.2.2.1 Mode Register Set(MRS)
3.2.2.2 Extended Mode Register Set(EMRS)
3.2.3 Precharge
3.2.4 No Operation(NOP) & Device Deselect
3.2.5 Row Active
3.2.6 Read Bank
3.2.7 Write Bank
3.3 Essential Functionality for DDR SDRAM
3.3.1 Burst Read Operation
3.3.2 Burst Write Operation
3.3.3 Read Interrupted by a Read
3.3.4 Read Interrupted by a Write & Burst Stop
3.3.5 Read Interrupted by a Precharge
3.3.6 Write Interrupted by a Write
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