參數(shù)資料
型號(hào)： IC42S32200L
英文描述： 512K Words x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
中文描述： 為512k字× 32位× 4銀行（64兆位）同步動(dòng)態(tài)RAM
文件頁(yè)數(shù)： 8/62頁(yè)
文件大小： 900K
代理商： IC42S32200L
IC42S32200
IC42S32200L
8
Integrated Circuit Solution Inc.
DR036-0D 02/04/2005
3
PrechargeAll command
(RAS#=”L”,CAS#=”H”,WE#=”L”,BS =Don t care,A10 =”H”,A0-A9 =Don ’t care)
The PrechargeAll command precharges all the four banks simultaneously and can be issued even if all banks are
not in the active state.All banks are then switched to the idle state.
4
Read command
(RAS#=”H”,CAS#=”L”,WE#=”H”,BS =Bank,A10 =”L”,A0-A7 =Column Address)
The Read command is used to read a burst of data on consecutive clock cycles from an active row in an active
bank.The bank must be active for at least tRCD(min.)before the Read command is
bursts,the valid data-out element from the starting column address will be available following the CAS#latency
after the issue of the Read command.Each subsequent data- out element will be valid by the next positive clock
edge (refer to the following figure).The DQs go into high-impedance at the end of the burst unless other com-
mand is initiated.The burst length,burst sequence,and CAS#latency are determined by the mode register which
is already programmed.A full-page burst will continue until terminated (at the end of the page it will wrap to
column 0 and continue).
issued.During read
相關(guān)PDF資料
PDF描述
IC42S32202L-8BIG 512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-7B 512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-7BI 512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-7T 512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-7TI 512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IC42S32202-6B 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-6BI 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-6T 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-6TI 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
IC42S32202-7B 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
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