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W982516BH Datasheet Preview

W982516BH Datasheet

4M x 4 BANKS x 16-BIT SDRAM

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W982516BH
4M × 4 BANKS × 16 BIT SDRAM
Table of Contents-
1. GENERAL DESCRIPTION ..................................................................................................................3
2. FEATURES ..........................................................................................................................................3
3. AVAILABLE PART NUMBER ..............................................................................................................3
4. PIN CONFIGURATION........................................................................................................................4
5. PIN DESCRIPTION .............................................................................................................................5
6. BLOCK DIAGRAM ...............................................................................................................................6
7. ELECTRICAL CHARACTERISTICS....................................................................................................7
Absolute Maximum Ratings................................................................................................................7
Recommended DC Operating Conditions ..........................................................................................7
Capacitance ........................................................................................................................................ 7
AC Characteristics and Operating Condition......................................................................................8
DC Characteristics..............................................................................................................................9
8. OPERATION MODE ..........................................................................................................................11
9. FUNCTIONAL DESCRIPTION ..........................................................................................................12
Power-up and Initialization ...............................................................................................................12
Programming Mode Register............................................................................................................12
Bank Activate Command ..................................................................................................................12
Read and Write Access Modes ........................................................................................................12
Burst Read Command ......................................................................................................................13
Burst Write Command ......................................................................................................................13
Read Interrupted by a Read .............................................................................................................13
Read Interrupted by a Write .............................................................................................................13
Write Interrupted by a Write..............................................................................................................13
Write Interrupted by a Read .............................................................................................................13
Burst Stop Command .......................................................................................................................13
Addressing Sequence of Sequential Mode ......................................................................................14
Addressing Sequence of Interleave Mode .......................................................................................14
Auto Precharge Command ...............................................................................................................15
Precharge Command .......................................................................................................................15
Self Refresh Command ....................................................................................................................15
Power-down Mode............................................................................................................................15
No Operation Command...................................................................................................................16
Deselect Command ..........................................................................................................................16
Clock Suspend Mode .......................................................................................................................16
Publication Release Date: December 13, 2001
- 1 - Revision A2




Winbond

W982516BH Datasheet Preview

W982516BH Datasheet

4M x 4 BANKS x 16-BIT SDRAM

No Preview Available !

W982516BH
10. TIMING WAVEFORMS....................................................................................................................17
Command Input Timing ..................................................................................................................17
Read Timing ...................................................................................................................................18
Control Timing of Input/Output Data...............................................................................................19
Mode Register 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
Burst Read and Single Write (Burst Length = 4, CAS Latency = 3)...............................................33
Power-down Mode..........................................................................................................................34
Auto Precharge Timing (Read Cycle).............................................................................................35
Auto Precharge Timing (Write Cycle) .............................................................................................36
Timing Chart of Read to Write Cycle ..............................................................................................37
Timing Chart of Write to Read Cycle ..............................................................................................37
Timing Chart of Burst Stop Cycle (Burst Stop Command) .............................................................38
Timing Chart of Burst Stop Cycle (Precharge 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 DIMENSION ..................................................................................................................43
54L TSOP (II)-400 mil.....................................................................................................................43
-2-


Part Number W982516BH
Description 4M x 4 BANKS x 16-BIT SDRAM
Maker Winbond
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W982516BH Datasheet PDF






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