參數(shù)資料
型號(hào)： W981216BH75L
廠(chǎng)商： WINBOND ELECTRONICS CORP
元件分類(lèi)： DRAM
英文描述： 8M X 16 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝： 0.400 INCH, 0.80 MM PITCH, TSOP2-54
文件頁(yè)數(shù)： 1/43頁(yè)
文件大?。?/td> 1380K
代理商： W981216BH75L
W981216BH
2M
× 4 BANKS × 16 BITS SDRAM
Publication Release Date: September 20, 2001
- 1 -
Revision A3
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. ELECRICAL CHARACTERISTICS ......................................................................................................7
Absolute Maximum Ratings ...................................................................................................................... 7
Recommended DC Operating Conditions ................................................................................................ 7
Capacitance.............................................................................................................................................. 7
AC Characteristics and Operating Condition ............................................................................................ 8
DC Characteristics.................................................................................................................................... 9
8. OPERATION MODE ..........................................................................................................................11
9. FUNCTIONAL DESCRIPTION ..........................................................................................................12
Power Up and Initialization ..................................................................................................................... 12
Programming Mode Register.................................................................................................................. 12
Bank Activate Command ........................................................................................................................ 12
Read and Write Access Modes .............................................................................................................. 12
Burst Read Command ............................................................................................................................ 13
Burst Write Command ............................................................................................................................ 13
Read Interrupted by a Read ................................................................................................................... 13
Read Interrupted by a Write.................................................................................................................... 13
Write Interrupted by a Write.................................................................................................................... 13
Write Interrupted by a Read.................................................................................................................... 13
Burst Stop Command ............................................................................................................................. 13
Addressing Sequence of Sequential Mode............................................................................................. 14
Addressing Sequence of Interleave Mode.............................................................................................. 14
Auto Pre-charge Command .................................................................................................................... 15
Pre-charge Command ............................................................................................................................ 15
Self Refresh Command .......................................................................................................................... 15
Power Down Mode ................................................................................................................................. 15
No Operation Command......................................................................................................................... 16
Deselect Command ................................................................................................................................ 16
Clock Suspend Mode.............................................................................................................................. 16
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