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MC145442DWMOTORON/a36avaiSingle-Chip 300-Baud Modem
MC145442PMOTN/a200avaiSingle-Chip 300-Baud Modem
MC145443DWMOTN/a300avaiSingle-Chip 300-Baud Modem
MC145443PMOTON/a56avaiSingle-Chip 300-Baud Modem
MC145443P. |MC145443PMOTN/a714avaiSingle-Chip 300-Baud Modem


MC145443P. ,Single-Chip 300-Baud ModemBLOCK DIAGRAM4CDT7LOW–BANDCDA15BPFRxA2 3CARRIERCDDETECT–AAF S/H16+RxA1 5AC AMPDEMOD RxD*HIGH–BAND10 ..
MC145444DW ,Single-Chip 300-Baud Modem**Order this documentby MC145444/DSEMICONDUCTOR TECHNICAL DATA**Advance Information20** ** **H SUFF ..
MC145444H ,Single-chip 300-baud modemMAXIMUM RATINGS* (Voltages Referenced to V )SSRating Symbol Value UnitDC Supply Voltage V – 0.5 to ..
MC145446AFW ,Single-Chip 300-Baud Modem with DTMF TransceiverMAXIMUM RATINGS (Voltages referenced to V )SSThis device contains circuitry to protect theRating Sy ..
MC145447DW ,Calling Line Identification(CLID) Receiver with Ring DetectorMOTOROLASEMICONDUCTOR TECHNICAL DATA- MC145447Calling Line. Identification (CLID)Receiver with Ring ..
MC145447P ,Calling Line Identification(CLID) Receiver with Ring DetectorMOTOROLASEMICONDUCTOR TECHNICAL DATA- MC145447Calling Line. Identification (CLID)Receiver with Ring ..
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MC145442DW-MC145442P-MC145443DW-MC145443P-MC145443P.
Single-Chip 300-Baud Modem
-The MC145442 and MC145443 silicon–gate CMOS single–chip low–speed
modems contain a complete frequency shift keying (FSK) modulator, demodu-
lator, and filter. These devices are with CCITT V.21 (MC145442) and Bell 103
(MC145443) specifications. Both devices provide full–duplex or half–duplex
300–baud data communication over a pair of telephone lines. They also include
a carrier detect circuit for the demodulator section and a duplexer circuit for
direct operation on a telephone line through a simple transformer. MC145442 Compatible with CCITT V.21 MC145443 Compatible with Bell 103 Low–Band and High–Band Band–Pass Filters On–Chip Simplex, Half–Duplex, and Full–Duplex Operation Originate and Answer Mode Analog Loopback Configuration for Self Test Hybrid Network Function On–Chip Carrier Detect Circuit On–Chip Adjustable Transmit Level and CD Delay Timing On–Chip Crystal Oscillator (3.579 MHz) Single + 5 V Power Supply Operation Internal Mid–Supply Generator Power–Down Mode Pin Compatible with MM74HC943 Capable of Driving – 9 dBm into a 600 Ω Load
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SEMICONDUCTOR TECHNICAL DATA
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