Freescale·É˼¿¨¶û/ĦÍÐÂÞÀMC145436AP
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The MC145436AP is a silicon gate CMOS LSI device containing the filter and decoder for detection of a pair of tones conforming to the DTMF standard with outputs in hexadecimal,Switched capacitor filter technology is used together with digital circuitry for the timing control and output circuits.The MC145436AP provides excellent power line noise and dial tone rejection and is suitable for applications in central office equipment, PABX, and keyphone systems, remote control equipment and consumer telephony products.
The MC145436AP offers the following performance features:
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MC145436AP Single + 5 V Power Supply
MC145436AP Detects All 16 Standard Digits
MC145436AP Uses Inexpensive 3.58 MHz Crystal
MC145436AP Provides Guard Time Controls to Improve Speech Immunity
MC145436AP Output in 4¨CBit Hexadecimal Code
MC145436AP Built¨CIn 60 Hz and Dial Tone Rejection
MC145436AP Pin Compatible with SSI¨C204, MC145436, and MC14LC5436
MC145436AP Functional and Applicational Compatible with MC145436 and MC14LC5436
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MC145436AP DataSheet.PDF
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