MC145436A Datasheet, PDF (1/8 Pages) Motorola, Inc – LOW-POWER DUAL TONE MULTIPLE FREQUENCY RECEIVER

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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 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
Order this document
by MC145436A/D
MC145436A
14
1
P SUFFIX
PLASTIC DIP
CASE 646
16
1
DW SUFFIX
SOG PACKAGE
CASE 751G
ORDERING INFORMATION
MC145436AP Plastic DIP
MC145436ADW SOG Package
PIN ASSIGNMENTS
PDIP
D2 1
14 D4
D1 2
13 D8
ENB 3
VDD 4
GT 5
Xen 6
Ain 7
12 DV
11 ATB
10 Xin
9 Xout
8 GND
SOG
D2 1
16 D4
D1 2
15 D8
ENB 3
14 DV
VDD 4
NC 5
13 NC
12 ATB
GT 6
Xen 7
Ain 8
11 Xin
10 Xout
9 GND
NC = NO CONNECTION
This document contains information on a new product. Specifications and information herein are subject to change without notice.
REV 1
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©_MOMo_Tto_Oro_Rla,_OIn_Lc._A1996
MC145436A
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