天水長期回收矽力杰封裝SOP20芯片 181+2470一起1558 微芯同號(hào) TDF8541TH/N2
MC74ACT244DTR2G
MCP121T-450E/TT
MCP1416T-E/OT
MCP14E5-E/SN
MCP1665T-E/MRA
MCP1711T-22I/OT
MCP3208-BI/SL
MCP3208T-BI/SL
SSM3J331R
SSM3J334R
SSM3K15AFS,LF(T
SSM3K324R,LF(T
SSM6K513NU
TB6643KQ(O,8)
TB67B001FTG(O,EL)
TB67H450FNG
IR2101STRPBF
IGW60T120
IKW20N60T
IKW25N120T2
IPA60R180P7SXKSA1
IPA60R180P7 MC34063ABD-TR UC3845BD1013TR L78L05ACD13TR STMPS2171STR UC2844BD1013TR L4931ABD50-TR LD59100PUR ST1S09IPUR LM317LD13TR MC34063EBD-TR ST1L05BPUR TSM1052 STM1061N26WX6F UC3842BD1013TR STPS6M100DEE-TR STPS20M100SG-TR另一種稱為動(dòng)態(tài)ram(dynamic ram/dram),dram保留數(shù)據(jù)的時(shí)間很短,速度也比sram慢,不過它還是比的rom都要快,但從價(jià)格上來說dram相比sram要便宜很多,計(jì)算機(jī)內(nèi)存就是dram的。