MC145436ADW Motorola, MC145436ADW Datasheet

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MC145436ADW

Manufacturer Part Number
MC145436ADW
Description
Manufacturer
Motorola
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Advance Information
Low-Power Dual Tone
Multiple Frequency Receiver
MC14LC5436.
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.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
REV 1
1/96
MOTOROLA
The MC145436A is a low–power and improved input sensitivity version of the
The MC145436A is a silicon gate CMOS LSI device containing the filter and
The MC145436A offers the following performance features:
Motorola, Inc. 1996
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
14
16
MC145436A
ORDERING INFORMATION
MC145436AP
MC145436ADW SOG Package
1
ENB
V DD
ENB
V DD
X en
X en
PIN ASSIGNMENTS
NC
A in
1
GT
A in
GT
D2
D1
D2
D1
NC = NO CONNECTION
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
PDIP
SOG
Order this document
Plastic DIP
14
13
12
10
16
15
14
13
12
10
SOG PACKAGE
11
11
9
8
9
by MC145436A/D
PLASTIC DIP
DW SUFFIX
CASE 751G
CASE 646
P SUFFIX
MC145436A
D4
D8
DV
NC
ATB
X in
X out
GND
D4
D8
DV
ATB
X in
X out
GND
1

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MC145436ADW Summary of contents

Page 1

... REV 1 1/96 MOTOROLA Motorola, Inc. 1996 Order this document by MC145436A/D MC145436A P SUFFIX PLASTIC DIP CASE 646 SUFFIX SOG PACKAGE 16 CASE 751G 1 ORDERING INFORMATION MC145436AP Plastic DIP MC145436ADW SOG Package PIN ASSIGNMENTS PDIP ENB ATB GT ...

Page 2

... BS1 REJECTION FILTER PREAMP BS2 ATB out MC145436A 2 BLOCK DIAGRAM 697 770 852 941 1209 1336 1477 1633 VOLTAGE REF OUTPUT REGISTER CLOCK CHIP 8 GEN CLOCKS GT TIMING CIRCUIT DV OUTPUT DECODER ENB MOTOROLA ...

Page 3

... Noise Tolerance (Notes 1 and 2) Power Supply Noise (Wide Band) Talk Off (Mitel Tape #CM7290) NOTES: 1. Referenced to lower amplitude tone. 2. Bandwidth limited (0 to 3.4 kHz) Gaussian Noise. MOTOROLA This device contains circuitry to protect the Value Unit inputs against damage due to high static volt- – 0 6.0 V ages or electric fields ...

Page 4

... Unit 40 — — ms — — — — ms — — — — — — — — s 4.2 4 — — s — — — 120 500 ns — 110 300 ns TONE BURST 2 HIGH–Z t lag(DV) t ELDZ t w(GT) MOTOROLA ...

Page 5

... MOTOROLA release time would be appropriate for an extremely noisy environment where fast acquisition time and immunity to dropouts would be required. In general, the tone signal time generated by a telephone is 100 ms, nominal, followed by a pause of about 100 ms. A high–to–low or low–to–high tran- ...

Page 6

... 100 k COL 1 697 770 STD DTMF 852 (Hz) 941 1209 Figure 100 k COL 2 COL 3 COL ROW ROW ROW ROW 4 1336 1477 1633 STD DTMF (Hz) 4 Keyboard Matrix MOTOROLA ...

Page 7

... N SEATING PLANE –A– –B– 16X 0.010 (0.25 14X K MOTOROLA PACKAGE DIMENSIONS P SUFFIX PLASTIC DIP CASE 646– SUFFIX SOG PACKAGE CASE 751G– 0.010 (0.25 –T– ...

Page 8

... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...

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