单项选择题
A.EPROM B.EEPROM C.PROM D.ROM
A.DC5V B.DC12V C.DC3V D.DC3V至12V皆可
A.DC5V或0V B.DC12V或0V C.DC5V，12V或0V D.DC-5V或0V
A.非稳态 B.双稳态 C.单稳态 D.多稳态
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