MC145436A Datasheet - Motorola

MC145436A - Low-Power Dual Tone Multiple Frequency Receiver

VDD Positive Power Supply (PDIP, SOG * Pin 4) The digital supply pin, which is connected to the positive side of the power supply.

VSS Ground (PDIP * Pin 8, SOG * Pin 9) Ground return pin is typically connected to the system ground.

D1, D2, D4, D8 Data Output (PDIP *

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145436A/D MC145436A Advance Information Low-Power Dual 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 circuit

MC145436A 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

MC145436A_Motorola.pdf