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BU8242F-E2
Communication ICs Cross point mixer for telephones BU8241F / BU8241FS / BU8242F / BU8244F The BU8241F, BU8241FS, BU8242F, and BU8244F are ICs developed for use with cordless telephones, and are equipped with switching and mixing functions. In addition, these ICs are provided with an internal power save function which enables the circuit to be run on line current if the power supply fails, by connecting a switch between the circuit and a new handset, reducing line current consumption. A series of these ICs is also under development, based on the number of circuits. FApplications Telephones, telephone answering machines, cordless telephones FFeatures 1) Eight input signals are selected and mixed by a cross-point, and output to eight pins (BU8241F / BU8241FS). 2) A power save mode enables the circuit to run on line current if the power supply fails. 1. Line current consumption reduced (IDD2 = 580µA) 2. IN1 ! OUT1 and IN2 ! OUT2 only are on 266 3) Serial binary data input. 4) Low voltage and current consumption.
ROHM
ローム株式会社
日本
炭素皮膜抵抗の特許を元に創業した。社名のROHM（R:抵抗 Ohm:抵抗を示す単位）はそこに由来する。その後、大規模集積回路の製造を手がけ始め、現在は様々な機能を顧客の要望に応じてLSI上に集積するカスタムLSIが主力となっている。
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