W9864G6JH Просмотр технического описания (PDF) - Winbond

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производитель

W9864G6JH

1M x 4 BANKS x 16 BITS SDRAM

Winbond 

W9864G6JH

1M  4 BANKS  16 BITS SDRAM

Table of Contents-

1. GENERAL DESCRIPTION ......................................................................................................... 3

2. FEATURES ................................................................................................................................. 3

3. ORDER INFORMATION ............................................................................................................. 4

4. PIN CONFIGURATION ............................................................................................................... 4

5. PIN DESCRIPTION..................................................................................................................... 5

6. BLOCK DIAGRAM ...................................................................................................................... 6

7. FUNCTIONAL DESCRIPTION ................................................................................................... 7

7.1 Power Up and Initialization ............................................................................................. 7

7.2 Programming Mode Register Set command .................................................................. 7

7.3 Bank Activate Command ................................................................................................ 7

7.4 Read and Write Access Modes ...................................................................................... 7

7.5 Burst Read Command .................................................................................................... 8

7.6 Burst Command .............................................................................................................. 8

7.7 Read Interrupted by a Read ........................................................................................... 8

7.8 Read Interrupted by a Write............................................................................................ 8

7.9 Write Interrupted by a Write............................................................................................ 8

7.10 Write Interrupted by a Read............................................................................................ 8

7.11 Burst Stop Command ..................................................................................................... 9

7.12 Addressing Sequence of Sequential Mode .................................................................... 9

7.13 Addressing Sequence of Interleave Mode ..................................................................... 9

7.14 Auto-precharge Command ........................................................................................... 10

7.15 Precharge Command.................................................................................................... 10

7.16 Self Refresh Command ................................................................................................ 10

7.17 Power Down Mode ....................................................................................................... 11

7.18 No Operation Command............................................................................................... 11

7.19 Deselect Command ...................................................................................................... 11

7.20 Clock Suspend Mode.................................................................................................... 11

8. OPERATION MODE ................................................................................................................. 12

9. ELECTRICAL CHARACTERISTICS......................................................................................... 13

9.1 Absolute Maximum Ratings .......................................................................................... 13

9.2 Recommended DC Operating Conditions .................................................................... 13

Publication Release Date: Jun. 25, 2013

-1-

Revision A04

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