张家港长期回收瑞昱进口芯片 181+2470一起1558 微芯同号 STM32F207VCT6
STM32F051C8T6
STM32L052K8U6TR
STM32F051C8T6
STM32P100R8SODTR
STM32P100R8S0DTR
STM32P10SODTR
STM32P10S0DTR
STM32F103R6H6
STM32L151R8H6
74VHC595MTCX
YDA174-QZE2
TJA1042T/CM
XC4VSX55-11FF1148I
XC4VSX55-10FF1148I
M25P64-VMF6TP
AT24C64D-SSHM-T
KMK7X000VM-B314
PIC18F25K80-I/SS
HCS300-I/SN
IRF7317TRPBF
CM108B
IRFB7537PBF
ATTINY45-20SU
LAN9514-JXZ
MCP3201-BI/SN
C2M0080120D M24C64-FMC6TG M95010-WMN6TP L78M08ABDT-TR L7812ABV LM2901YDT L78L12ABD-TR LF33CV L78M05CDT-TR LF33ABDT-TR SM2T3V3A STBP120AVDK6F LF33CDT-TR DA112S1RL HSP061-4M10 M95160-WMN6TP VN7050AJTR LSM6DS3TR另一种称为动态ram（dynamic ram/dram），dram保留数据的时间很短，速度也比sram慢，不过它还是比的rom都要快，但从价格上来说dram相比sram要便宜很多，计算机内存就是dram的。