UM91230D
TONE/PULSE DIALER
UMC
UM91230DPDF下載
UM91230D
TONE/PULSE DIALER
UMC [UMC Corporation]
UM91230DPDF下載
UM91230DM
TONE/PULSE DIALER
UMC
UM91230DMPDF下載
UM91230DM
TONE/PULSE DIALER
UMC [UMC Corporation]
UM91230DMPDF下載
um91230c、um91230d是美國(guó)united micro公司生產(chǎn)的微電腦單片撥號(hào)集成電路,應(yīng)用于通信設(shè)備,作撥號(hào)電路。該ic采用22腳雙列直插式封裝,其集成電路的弓腳功能及數(shù)據(jù)見(jiàn)表1-1所列。 表1-1 um91230c/d集成電路的5腳功能及數(shù)據(jù) 來(lái)源:university