W9864G2IH
512K × 4 BANKS × 32BITS SDRAM
Table of Contents-
1.
2.
3.
4.
5.
6.
7.
GENERAL DESCRIPTION ......................................................................................................... 3
FEATURES................................................................................................................................. 3
AVAILABLE PART NUMBER...................................................................................................... 3
PIN CONFIGURATION............................................................................................................... 4
PIN DESCRIPTION..................................................................................................................... 5
BLOCK DIAGRAM ...................................................................................................................... 6
FUNCTIONAL DESCRIPTION.................................................................................................... 7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
Power Up and Initialization ............................................................................................. 7
Programming Mode Register.......................................................................................... 7
Bank Activate Command ................................................................................................ 7
Read and Write Access Modes ...................................................................................... 7
Burst Read Command .................................................................................................... 8
Burst Command.............................................................................................................. 8
Read Interrupted by a Read ........................................................................................... 8
Read Interrupted by a Write............................................................................................ 8
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
OPERATION MODE ................................................................................................................. 12
8.
9.
8.1
Simplified Stated Diagram ............................................................................................ 13
ELECTRICAL CHARACTERISTICS......................................................................................... 14
9.1
9.2
Absolute Maximum Ratings.......................................................................................... 14
Recommended DC Operating Conditions .................................................................... 14
Publication Release Date: Mar. 22, 2010
- 1 -
Revision A04