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M990A9944A, M-991, M-991/0049LHB/TT617-18-4

Table of contents:
Info of M990A9944A
Info of M-991
Info of M-991/0049LHB/TT617-18-4

M990A9944A, M-991, M-991/0049LHB/TT617-18-4 Selling Leads, Datasheet

MFG:Clare Category:ICs, Integrated Circuits, Semiconductors Package Cooled:SOP16 D/C:2008+

M990A9944A, M-991, M-991/0049LHB/TT617-18-4 Picture

M990A9944A, M-991, M-991/0049LHB/TT617-18-4 Datasheet download

Five Points

Part Number: M990A9944A

Category: ICs, Integrated Circuits, Semiconductors

MFG: Clare

Package Cooled: SOP16

D/C: 2008+

Description: IC GENERATOR TONE LP CMOS 14-DIP

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M9919
Vendor: Silicon Pack: TO Qty: 650 Adddate: 2024-04-27
SOLAR SYSTEMS(HONGKONG) ELECTRONICS COMPANY
Contact: Mr.solarlin
Tel: 0086-0755-61685878
Fax: 0086-0755-82539977
(0)

M9926
D/C: 05+& Qty: SMD Note: stock Adddate: 2024-04-27
LI DA WEI (HONGKONG) ELECTRONICS CO
Contact: Ms.chanDaisy
Tel: 852--26726447
Fax: 852--26726047
(5)

M99H10227D
Qty: 60 Adddate: 2024-04-27
Shenzhen DaHe Electronics Co.,Ltd
Contact: Ms.Sarahzhang
Tel: 0086-755-83013000
Fax: 0086-755-83013884
(19)

About M994A

PDF/DataSheet Download

Datasheet: M994A

File Size: 108144 KB

Manufacturer: ETC [ETC]

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M-991
Vendor: AMIC Pack: DIP Qty: 800 Note: ★DIP★ Adddate: 2024-04-27
ShanTou Chengxinda Elcetronic CO.LTD
Contact: Mr.weichengguo
Tel: 86-0754-84451845
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(1)

M-976-2S2P
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M-980-02S
D/C: 07+& Qty: 1000 Note: NEW Adddate: 2024-04-27
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M-991
Vendor: AMIC Pack: DIP Qty: 800 Note: ★DIP★ Adddate: 2024-04-27
ShanTou Chengxinda Elcetronic CO.LTD
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Tel: 86-0754-84451845
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(1)

About M-991

PDF/DataSheet Download

Datasheet: M-991

File Size: 175136 KB

Manufacturer: CLARE [Clare, Inc.]

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M-991/0049LHB/TT617-18-4 Suppliers

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M-976-2S2P
D/C: 00+& Qty: 830 Note: NEW Adddate: 2024-04-27
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M-991
Vendor: AMIC Pack: DIP Qty: 800 Note: ★DIP★ Adddate: 2024-04-27
ShanTou Chengxinda Elcetronic CO.LTD
Contact: Mr.weichengguo
Tel: 86-0754-84451845
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(1)

About M-959

PDF/DataSheet Download

Datasheet: M-959

File Size: 126112 KB

Manufacturer: CLARE [Clare, Inc.]

Download : Click here to Download

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M-991 Parameters

Technical/Catalog Information	M-991
Vendor	Clare
Category	ICs, Integrated Circuits, Semiconductors
Application	Telecommunication
Type	Tone Generator
Mounting Type	Through Hole
Package Name	14-DIP
Supply Voltage	5.00 V [Typ]
Packaging	Bulk
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	M 991 M991

M-991 General Description

The M-991 is a call progress tone generator integrated circuit for use in telephone systems. The circuit uses low-power CMOS techniques to generate tones which are digitally controlled and highly linear. The M-991 is designed to permit operation with almost any system. The use of integrated circuit techniques allows the M- 991 to incorporate the control, tone generating, and power output buffer into a single 14-pin DIP or a 16-pin SOIC. A 3.58-MHz (color burst) crystal-controlled time base guarantees accuracy and repeatability.

M-991 Maximum Ratings

Storage Temperature	-55 to 125
Operating Ambient Temperature	-25 to 70
Operating Ambient Temperature for the M-991-02SM	-40to 85
V_DD	7.0V
Any Input Voltage	V_SS -0.6 to V_DD +0.6V

Note: 1. Exceeding these ratings may permanently damage the M-991.

M-991 Features

• Generates standard call progress tones
• Digital input control
• Linear (analog) output
• Power output capable of driving standard line
• 14-pin DIP and 16-pin SOIC package types
• Single supply 5V CMOS (low power)
• Inexpensive 3.58 MHz time base
• Temperature range from -25ºC to 70ºC (-01 version)
• Temperature range from -40ºC to 85ºC (-02 version

M-991 Typical Application

• Telephone systems
• Test equipment
• Callback
• Security systems
• Billing systems

M-991 Connection Diagram

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