參數(shù)資料
型號: K4R881869M-NbCcG6
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 288Mbit RDRAM 512K x 18 bit x 2*16 Dependent Banks Direct RDRAMTM
中文描述: 288Mbit RDRAM的為512k × 18位× 2 * 16屬銀行直接RDRAMTM
文件頁數(shù): 63/64頁
文件大?。?/td> 4084K
代理商: K4R881869M-NBCCG6
Page 61
Direct RDRAM
K4R881869M
Rev. 0.9 Jan. 2000
Preliminary
Table Of Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Key Timing Parameters/Part Numbers . . . . . . . . . . . 1
Pinouts and Definitions . . . . . . . . . . . . . . . . . . . . . . . 2
Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Packet Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6,7
Field Encoding Summary. . . . . . . . . . . . . . . . . . . . .8,9
DQ Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 10
COLM Packet to D Packet Mapping . . . . . . . . . .10,11
ROW-to-ROW Packet Interaction . . . . . . . . . . . 12, 13
ROW-to-COL Packet Interaction . . . . . . . . . . . . . . . 13
COL-to-COL Packet Interaction. . . . . . . . . . . . . . . . 14
COL-to-ROW Packet Interaction . . . . . . . . . . . . . . . 15
ROW-to-ROW Examples . . . . . . . . . . . . . . . . . . .16,17
Row and Column Cycle Description . . . . . . . . . . . . 17
Precharge Mechanisms . . . . . . . . . . . . . . . . . . . .18,19
Read Transaction - Example . . . . . . . . . . . . . . . . . . 20
Write Transaction - Example . . . . . . . . . . . . . . . . . . 21
Write/Retire - Examples. . . . . . . . . . . . . . . . . . . 22, 23
Interleaved Write - Example. . . . . . . . . . . . . . . . . . . 24
Interleaved Read - Example . . . . . . . . . . . . . . . . . . 25
Interleaved RRWW . . . . . . . . . . . . . . . . . . . . . . . . . 25
Control Register Transactions . . . . . . . . . . . . . . . . . 26
Control Register Packets . . . . . . . . . . . . . . . . . . . . . 27
Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28-29
Control Register Summary. . . . . . . . . . . . . . . . . 30-37
Power State Management . . . . . . . . . . . . . . . . . 38-41
Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Current and Temperature Control . . . . . . . . . . . . . . 43
Electrical Conditions . . . . . . . . . . . . . . . . . . . . . . . . 44
Timing Conditions . . . . . . . . . . . . . . . . . . . . . . . .44-45
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . 46
Timing Characteristics . . . . . . . . . . . . . . . . . . . . . . . 46
RSL Clocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
RSL - Receive Timing . . . . . . . . . . . . . . . . . . . . . . . 48
RSL - Transmit Timing. . . . . . . . . . . . . . . . . . . . . . . 49
CMOS - Receive Timing . . . . . . . . . . . . . . . . . . .50-51
CMOS - Transmit Timing . . . . . . . . . . . . . . . . . . .52-53
RSL - Domain Crossing Window . . . . . . . . . . . . . . . 53
Timing Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . 54
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . 55
I
DD
- Supply Current Profile . . . . . . . . . . . . . . . . . . . 55
Capacitance and Inductance . . . . . . . . . . . . . . . .56-57
Center-Bonded
μ
BGA Package. . . . . . . . . . . . . . . . 58
Glossary of Terms . . . . . . . . . . . . . . . . . . . . . . . .59-60
Copyright January 2000 Samsung Electronics.
All rights reserved.
Direct Rambus and Direct RDRAM are trademarks of
Rambus Inc. Rambus, RDRAM, and the Rambus Logo are
registered trademarks of Rambus Inc.
This document contains advanced information that is subject
to change by Samsung without notice.
Document Version 0.9
Samsung Electronics Co., Ltd.
San #24 Nongseo-Ri, Kiheung-Eup Yongin-City
Kyunggi-Do, KOREA
Telephone: 82-331-209-4519
Fax: 82-2-760-7990
http://www.samsungsemi.com
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