W9864G6JT

1M  4 BANKS  16 BITS SDRAM

Publication Release Date: Oct. 15, 2013

- 1 -

Revision A02

Table of Contents-

1.

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

2.

FEATURES...................................................................................................................................... 3

3.

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

4.

BALL CONFIGURATION................................................................................................................. 4

5.

BALL DESCRIPTION ...................................................................................................................... 5

6.

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

7.

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

7.1

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

7.2

Programming Mode Register .............................................................................................. 7

7.3

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

7.4

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

7.5

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

7.6

Burst Write 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