參數(shù)資料
型號(hào)： W9864G6EH-5
廠商： WINBOND ELECTRONICS CORP
元件分類： DRAM
英文描述： 4M X 16 SYNCHRONOUS DRAM, 4.5 ns, PDSO54
封裝： 0.400 INCH, 0.80 MM PITCH, ROHS COMPLIANT, TSOP2-54
文件頁(yè)數(shù)： 1/48頁(yè)
文件大?。?/td> 1251K
代理商： W9864G6EH-5
W986416EH/W9864G6EH Data Sheet
1M
× 4 BANKS × 16 BITS SDRAM
Publication Release Date: May 5, 2005
- 1 -
Revision A07
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 3
2.
FEATURES ................................................................................................................................. 3
3.
AVAILABLE PART NUMBER ..................................................................................................... 3
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.......................................................................................... 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.
TABLE OF OPERATING MODES ............................................................................................ 12
8.1
Simplified State Diagram .............................................................................................. 13
9.
ELECTRICAL CHARACTERISTICS......................................................................................... 14
9.1
Absolute Maximum Rating............................................................................................ 14
9.2
Recommended DC Operating Conditions .................................................................... 14
9.3
Capacitance.................................................................................................................. 14
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