50S116T-7 Просмотр технического описания (PDF) - CERAMATE TECHNICAL

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50S116T-7

512K x 2 BANKS x 16 BITS SDRAM

CERAMATE TECHNICAL 

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.

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Rev 1.0 Aug.20,2002

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