W9864G6IH
1M
脳
4BANKS
脳
16BITS SDRAM
Table of Contents-
1.
2.
3.
4.
5.
6.
7.
GENERAL DESCRIPTION ......................................................................................................... 3
FEATURES ................................................................................................................................. 3
AVAILABLE PART NUMBER ..................................................................................................... 4
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
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
8.
9.
Power Up and Initialization ............................................................................................. 7
Programming Mode Register Set command .................................................................. 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
Write Interrupted by a Read............................................................................................ 8
Burst Stop Command ..................................................................................................... 9
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 ....................................................................................................... 11
No Operation Command............................................................................................... 11
Deselect Command ...................................................................................................... 11
Clock Suspend Mode.................................................................................................... 11
OPERATION MODE ................................................................................................................. 12
ELECTRICAL CHARACTERISTICS......................................................................................... 13
9.1
9.2
Absolute Maximum Ratings .......................................................................................... 13
Recommended DC Operating Conditions .................................................................... 13
Publication Release Date:Mar. 31, 2008
Revision A05
-1-