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ROM英文名Read-Only Memory,只讀存儲器,里面數據在正常應用的時候只能讀,不能寫,存儲速度不如RAM。
PROM:(P指的programmable)可編程ROM,根據用戶需求,來寫入內容,但是只能寫一次,就不能再改變了
EPROM:PROM的升級版,可以多次編程更改,只能使用紫外線擦除
EEPROM:升級版,可以多次編程更改,使用電擦除 QC2139-0001B QC2174-0003 QC2211-0001 QT2025PRKDB-1
S2025S1201 QFIS1202 PBIS1204CBI11S1204CBI21S1207 PBIS1212 PBS1212 PB11S1212 PB20S1213 PBS1221 PBICS19201CAIS19202CBI30S19204CBI12S19205CBIS19208CBIS19215 PB12S19235 PB12S19237
PB13S19237PU11S2002 TBS2004TBS2004 TBCABS2009TBS2018 TBS2021BS2036 AS2042B-10S2044B-10S2045B-10 S2046BS2050aS2052 BS2052B001 S2052CS2053 CS2054CS2057 AS2057A-12S2058A-12S2060A
S2060A001S2060BS2060CS2060DS2060 QSCS2062TBS2064 AS2065A S2067TBS2068TB S2068TB001 S2070BS2071 QFS2091AS2100AS2202TB S2202TBIS2204TBS2509 PBS2512 PB21S3005D S3005D-1S3005D-6
S3006S3006C-1 S3006D-1 S3006dS3011 |
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