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50S116T 参数 Datasheet PDF下载

50S116T图片预览
型号: 50S116T
PDF下载: 下载PDF文件 查看货源
内容描述: SDRAM ( 512K ×2组X 16位SDRAM ) [SDRAM(512K X 2 BANKS X 16 BITS SDRAM)]
分类和应用: 动态存储器
文件页数/大小: 42 页 / 1289 K
品牌: CERAMATE [ CERAMATE TECHNICAL ]
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50S116T  
SDRAM  
DC Characteristics..........................................................................................................................14  
AC Characteristics..........................................................................................................................15  
10. TIMING WAVEFORMS....................................................................................................................17  
Command Input Timing ..................................................................................................................17  
Read Timing ...................................................................................................................................18  
Control Timing of Input/Output Data...............................................................................................19  
Mode Reqister Set Cycle ................................................................................................................20  
11. OPERATING TIMING EXAMPLE ....................................................................................................21  
Interleaved Bank Read (Burst Length = 4, CAS Latency = 3) ........................................................21  
Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto Precharge) .............................22  
Interleaved Bank Read (Burst Length = 8, CAS Latency = 3) ........................................................23  
Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto Precharge) .............................24  
Interleaved Bank Write (Burst Length = 8) .....................................................................................25  
Interleaved Bank Write (Burst Length = 8, Auto Precharge) ..........................................................26  
Page Mode Read (Burst Length = 4, CAS Latency = 3).................................................................27  
Page Mode Read/Write (Burst Length = 8, CAS Latency = 3) .......................................................28  
Auto Precharge Read (Burst Length = 4, CAS Latency = 3) ..........................................................29  
Auto Precharge Write (Burst Length = 4) .......................................................................................30  
Auto Refresh Cycle.........................................................................................................................31  
Self Refresh Cycle ..........................................................................................................................32  
Bust Read and Single Write (Burst Lenght = 4, CAS Latency = 3).................................................33  
Power-down Mode..........................................................................................................................34  
Auto Precharge Timing (Read Cycle).............................................................................................35  
Auto Precharge Timing (Write Cycle).............................................................................................36  
Timing Chart of Write-to-Read Cycle (In the case of Burst Length = 4).........................................37  
Timing Chart of Burst Stop Cycle (Burst Stop Command) .............................................................37  
Timing Chart of Burst Stop Cycle (Prechare Command)................................................................38  
CKE/DQM Input Timing (Write Cycle) ............................................................................................39  
CKE/DQM Input Timing (Read Cycle) ............................................................................................40  
Self Refresh/Power-down Mode Exit Timing ..................................................................................41  
12. PACKAGE DIMENSIONS................................................................................................................42  
50L-TSOP (II) 400 mill....................................................................................................................42  
* All specs and applications shown above subject to change without prior notice.  
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN, R.O.C  
Tel:886-3-3214525  
Email: server@ceramate.com.tw  
Http: www.ceramate.com.tw  
Rev 1.0 Aug.20,2002  
Page 2 of 42  
Fax:886-3-3521052