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W981616BH Datasheet Preview

W981616BH Datasheet

512K x 2 BANKS x 16-BITS SDRAM

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W981616BH
512K × 2 BANKS × 16 BITS 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. FUNCTIONAL DESCRIPTION ............................................................................................................7
Power-up and Initialization ................................................................................................................7
Programming Mode Register............................................................................................................7
Bank Activate Command ..................................................................................................................7
Read and Write Access Modes ........................................................................................................7
Burst Read Command ......................................................................................................................8
Burst Write Command ......................................................................................................................8
Read Interrupted by a Read..............................................................................................................8
Read Interrupted by a Write..............................................................................................................8
Write Interrupted by a Write..............................................................................................................8
Write Interrupted by a Read..............................................................................................................8
Burst Stop Command .......................................................................................................................8
Addressing Sequence of Sequential Mode.......................................................................................9
Addressing Sequence of Interleave Mode ........................................................................................9
Auto Precharge Command .............................................................................................................10
Precharge Command......................................................................................................................10
Self Refresh Command ..................................................................................................................10
Power-down Mode ..........................................................................................................................10
No Operation Command.................................................................................................................11
Deselect Command ........................................................................................................................11
Clock Suspend Mode......................................................................................................................11
8. TABLE OF OPERATING MODES .....................................................................................................12
9. ELECTRICAL CHARACTERISTICS..................................................................................................13
Absolute Maximum Ratings ............................................................................................................13
Recommended DC Operating Conditions ......................................................................................13
Capacitance ....................................................................................................................................13
Publication Release Date: December 25, 2001
- 1 - Revision A4




Winbond

W981616BH Datasheet Preview

W981616BH Datasheet

512K x 2 BANKS x 16-BITS SDRAM

No Preview Available !

W981616BH
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
13. VERSION HISTORY ........................................................................................................................43
-2-


Part Number W981616BH
Description 512K x 2 BANKS x 16-BITS SDRAM
Maker Winbond
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