BL1101A datasheet, PDF - EEWORLD Datasheet

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BL1101A: DescriptionTelephone Circuit; CategoryWireless rf/communication Telecom circuit; File Size38KB，2 Pages; ManufacturerShanghai Belling; Websitehttp://www.belling.com.cn/; Shanghai Belling Co., Ltd. was founded in September 1988 and is the first Sino-foreign joint venture in the domestic integrated circuit industry. It was restructured and listed in August 1998, becoming the first listed company in the domestic integrated circuit industry. In April 2009, it was directly controlled by China Electronics Information Industry Group Co., Ltd. Shanghai Belling is an integrated circuit design enterprise within the national planning layout. It has a national enterprise technology center and focuses on integrated circuit (IC) design and application solution development. It is a major supplier of analog IC products in China and has formed three major business layouts: smart meter chips, power management, and general analog products. Up to now, the company has applied for 488 patents and authorized 299 patents, including 125 invention patents.

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BL1101A Overview

Telephone Circuit

BL1101A Parametric

Parameter Name	Attribute value
Maker	Shanghai Belling
package instruction	,
Reach Compliance Code	unknown

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BL1101 Series

Tone/pulse dialer with Hand-free and lock functions

Description

BL1101 series is a single chip dialer IC using

Si-gate CMOS process, it can provide the

necessary signal for either pulse or DTMF dialing,

it features Hand-free dialing, first number “0” and

“9” dialing lock and redialing (at most 32bit) etc., it

is compatible with W91330 series.

Vss

T/PMUTE

HF1

5 BL1101A 16

PDIP 20

MODE

DTMF

HKS

HFO

LOCK

Vss

T/PMUTE

HF1

5 BL1101AL 16

PDIP 20

MODE

DTMF

HKS

HFO

Vss

T/PMUTE

5 BL1101 14

PDIP 18

MODE

DTMF

HKS

LOCK

Vss

T/PMUTE

5 BL1101L 14

PDIP 18

MODE

DTMF

HKS

Features

Operating voltage: 2.0V~5.5V

DTMF/Pulse selection with switch

Easy operation with Redial, Flash and Pause functions

Power on reset on-chip

Uses 4×4 keyboard

Pause, P-T(pulse to tone ) can be stored as a digit in memory

Flash time: 98ms, 600ms

Minimum tone output duration: 100 ms, Minimum inter tone pause: 100ms

Uses 3.57945 MHz crystal or ceramic resonator

The dial-out of start number “0” or “9” can be locked

Package in 18 or 20-pin plastic DIP

Application

Uses as dialing circuit in telephone set, complete relevant

Typical application circuit

Address： No.810, YiShan Road ShangHai China Tel：86-021-64850700 Fax：86-64852222 Zip.200233

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