SM8222AS Nippon Precision Circuits Inc, SM8222AS Datasheet

SM8222AS

Manufacturer Part Number

SM8222AS

Description

Manufacturer

Nippon Precision Circuits Inc

Datasheets

1.SM8222AP.pdf (15 pages)

2.SM8222AS.pdf (15 pages)

Specifications of SM8222AS

Date_code

A993Y

Current page: 1 of 15
Download datasheet (114Kb)

OVERVIEW

The SM8222A/B is a calling number identiﬁcation

(caller ID) and call waiting signal (dual tone signal)

receiver decoder IC that conforms with the TR-

NWT-000030 and SR-TSV-002476 (Bellcore) dialer

FEATURES

APPLICATIONS

ORDERING INFORMATION

NIPPON PRECISION CIRCUITS INC.

Conforms to TR-NWT-000030 and SR-TSV-

002476 (Bellcore) standards

Call waiting

FSK demodulator

Ring signal detect circuit built-in

High input sensitivity

Input gain adjust circuit built-in

Power-down mode

Telephones that display dialer number before and

during conversation

Adapters to display dialer number before and dur-

ing conversation

SM8222AS

SM8222AP

SM8222BS

SM8222BP

D e vice

24-pin SOP

24-pin DIP

P ackag e

Caller ID Service IC with Call Waiting

telephone number display standards. It is imple-

mented in CMOS and incorporates a power-down

function for low power operation.

PINOUT

(Top View)

Crystal oscillator circuit built-in

Single supply operation

Microcontroller I/O interface

Molybdenum-gate CMOS process

24-pin SOP and 24-pin DIP packages

SM8222A : 2.7 to 3.3V operation

SM8222B : 4.5 to 5.5V operation

Answering machines

Facsimile machines

Computer peripheral devices

OSCOUT

OSCIN

MODE

AGND

RDRC

RDET

RDIN

RING

GND

CAP

TIP

NIPPON PRECISION CIRCUITS—1

SM8222A/B

VDD

STGT

EST

STD

INT

CDET

DOUT

DCLK

FSKEN

PDWN

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