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TS7514CP Datasheet(PDF) 1 Page - STMicroelectronics |
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TS7514CP Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 19 page  TS7514 PROGRAMMABLE V.23 MODEM WITH DTMF November 1998 PIN CONNECTIONS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 24 23 22 21 11 12 AXTL WLO ATO V+ RAO1 RAI1 RAI2 RAO2 RFO RDI AGND V- MOD/DTMF MC/BC RTS ENP DGND TxD PRD XTAL IN XTAL OUT DCD RxD ZCO DIP24 5 6 7 8 9 10 11 25 24 23 22 21 20 19 V+ AGND V- RAO1 RAI1 RAI2 N/C XTAL OUT XTAL IN N/C PRD TxD DGND ENP PLCC28 ORDER CODES Part Number Temperature Range Package TS7514CP 0 to 70 oC DIP24 TS7514CFN 0 to 70 oC PLCC28 . PROGRAMMABLE MODES : - Modem 75bps transmit, 1200bps receive - Modem 1200bps transmit, 75bps receive - DTMF dialing - Call status tone detection - Auxiliary analog transmit input - Analog test loopback . PROGRAMMABLE FUNCTIONS : - Transmission level - Hysteresis and detection level - Filters (reception and transmission) - Line monitoring and buzzer - DTMF frequencies . FIXED COMPROMISE LINE EQUALIZER . AUTOMATIC BIAS ADJUSTMENT . INTEGRATED DUPLEXER . STANDARD LOW COST CRYSTAL (3.579MHz) . TAX TONE REJECTION . POWER-UP INITIALIZATION OF REGISTERS . OPERATES FROM ±5V . CMOS DESCRIPTION The TS7514 is an FSK modem which can be programmed for asynchronous half-duplex voice- band communications on a 2-wire line or full duplex on a 4-wire line. Its programming concept makes it the ideal component to design low-cost intelligent modems, featuring auto dialing and auto answer- ing. The TS7514 conforms to CCITT V.23 recom- mendation. The chip incorporates DTMF dialing, line monitoring, tone and dialing detection. DIP24 (Plastic Package) PLCC28 (Plastic Leaded Chip Carrier Package) 1/19 |
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Similar Description - TS7514CP |
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