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For sale here we have the above…
Low Power Duel Tone Multiple Frequency Receiver.
The MC145436A is a low–power and improved input sensitivity version of the MC14LC5436.The MC145436A 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 MC145436A 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 MC145436A offers the following performance features:
• Single + 5 V Power Supply
• Detects All 16 Standard Digits
• Uses Inexpensive 3.58 MHz Crystal
• Provides Guard Time Controls to Improve Speech Immunity
• Output in 4–Bit Hexadecimal Code
• Built–In 60 Hz and Dial Tone Rejection
• Pin Compatible with SSI–204, MC145436, and MC14LC5436
• Functional and Applicational Compatible with MC145436 and MC14LC5436
For datasheet search…MC145436AP
Or go to…http://pdf.datasheetcatalog.com/datasheet/motorola/MC145436AP.pdf
These parts came to us as part of a lot of surplus stock from a large Milspec type Co. and have been kept in storage for some time, we have therefore classified them as ‘new other’. They are however pristine, stored with us still in their original packaging and ‘as new’ in all respects, the photographs are representative of their excellent condition, and, as with all our products they come with a full guarantee.
If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.