![](http://datasheet.mmic.net.cn/100000/W9812G6DH-75_datasheet_3536091/W9812G6DH-75_1.png)
W981216DH / W9812G6DH
2M
× 4 BANKS × 16 BIT SDRAM
Publication Release Date: June 6, 2005
- 1 -
Revision A08
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 3
2.
FEATURES ................................................................................................................................. 3
3.
PIN CONFIGURATION ...............................................................................................................4
4.
PIN DESCRIPTION..................................................................................................................... 5
5.
BLOCK DIAGRAM ...................................................................................................................... 6
6.
ABSOLUTE MAXIMUM RATINGS ............................................................................................. 7
7.
RECOMMENDED DC OPERATING CONDITIONS................................................................... 7
8.
CAPACITANCE........................................................................................................................... 7
9.
AC CHARACTERISTICS AND OPERATING CONDITION........................................................ 8
10.
DC CHARACTERISTICS ............................................................................................................ 9
11.
OPERATION MODE ................................................................................................................. 12
12.
FUNCTIONAL DESCRIPTION.................................................................................................. 13
12.1
Power Up and Initialization ........................................................................................... 13
12.2
Programming Mode Register........................................................................................ 13
12.3
Bank Activate Command .............................................................................................. 13
12.4
Read and Write Access Modes .................................................................................... 14
12.5
Burst Read Command .................................................................................................. 14
12.6
Burst Write Command .................................................................................................. 14
12.7
Read Interrupted by a Read ......................................................................................... 14
12.8
Read Interrupted by a Write.......................................................................................... 14
12.9
Write Interrupted by a Write.......................................................................................... 14
12.10
Write Interrupted by a Read ........................................................................................ 15
12.11
Burst Stop Command .................................................................................................. 15
12.12
Addressing Sequence of Sequential Mode ................................................................. 15
12.13
Addressing Sequence of Interleave Mode .................................................................. 16
12.14
Auto-Precharge Command.......................................................................................... 16
12.15
Precharge Command .................................................................................................. 16
12.16
Self Refresh Command ............................................................................................... 17
12.17
Power Down Mode ...................................................................................................... 17
12.18
No Operation Command ............................................................................................. 17
12.19
Deselect Command..................................................................................................... 17
12.20
Clock Suspend Mode .................................................................................................. 17