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See Technical Specifications

MT88L89AS +BOM

DTMF TXRX 3.58MHz CMOS 3V 20-Pin SOIC Tube

Manufacturer:

Microchip Technology, Inc
Mfr.Part #:

MT88L89AS
Datasheet:

MT88L89AS Datasheet (PDF)
Launch_date:

Jul 18, 1995
Last_inspection_date:

10 MAY 2023
Supplier_cage_code:

60991
Htsusa:

8542390001
EDA/CAD Models:

Request Free CAD Models for MT88L89AS

MT88L89AS General Description

The MT88L89AS is a versatile tone/pulse dialer IC that provides the necessary functionality for generating dialing signals used in telephone communication systems. It is a single-chip solution that can generate both DTMF tones and pulse dialing signals, making it suitable for various telephony applications.

Key Features

Dual Tone Multi-Frequency (DTMF) Generation: The MT88L89AS can generate DTMF tones used for dialing phone numbers in touch-tone systems.
Pulse Dialing: It can also generate pulse dialing signals, which are used in older rotary dialing systems.
Versatility: The IC can be configured for various modes of operation, including DTMF, pulse, and hybrid (combination of DTMF and pulse).
Keypad Interface: The MT88L89AS can interface with a standard telephone keypad or microcontroller for generating dialing signals.
Low Power Consumption: Designed for energy efficiency, making it suitable for battery-operated devices.
External Components: Requires minimal external components for operation.
Error Detection and Prevention: The IC includes error detection and correction features to ensure accurate dialing signals.
Integrated Oscillator: Includes an on-chip oscillator for generating accurate timing signals.

Application

Telephones
PBX Systems
VoIP Adapters
Telecom Interfaces
Security Systems
Automated Systems

Specifications

place		launch_date	Jul 18, 1995
last_inspection_date	10 MAY 2023	supplier_cage_code	60991
htsusa	8542390001	schedule_b	8542390000
ppap		aec