COMMERCIAL EXTENDED Telephone Line ICs 216

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Part	Manufacturer	Telecom IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Technology	Maximum Supply Current	Nominal Supply Voltage	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Width	Qualification	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Make-break Ratio	Length
TEA1098UH	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	NO LEAD	44	DIE	RECTANGULAR	UNSPECIFIED	YES	1	BIPOLAR	.13 mA	3 V	9.5	UNCASED CHIP	DIE OR CHIP	Other Telecom ICs		75 Cel	-25 Cel		UPPER	R-XUUC-N44				Not Qualified
TEA1061	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1					IN-LINE			2.54 mm	75 Cel	-25 Cel		DUAL	R-PDIP-T18		4.7 mm	7.62 mm	Not Qualified						21.6 mm
TEA1114A/C2	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR		3.6 V		IN-LINE			2.54 mm	75 Cel	-25 Cel		DUAL	R-PDIP-T16		4.2 mm	7.62 mm	Not Qualified						19.025 mm
TEA1114AUH	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	NO LEAD	16	DIE	RECTANGULAR	UNSPECIFIED	YES	1	BIPOLAR		3.6 V		UNCASED CHIP				75 Cel	-25 Cel		UPPER	R-XUUC-N16				Not Qualified
TEA1114AT	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		3.6 V	3.6	SMALL OUTLINE	SOP16,.25	Telephone Circuits	1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified			40	260		9.9 mm
TEA1095T	NXP Semiconductors	SPEAKER PHONE CIRCUIT	COMMERCIAL EXTENDED	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	3.8 mA	5 V	2.9/12	SMALL OUTLINE	SOP24,.4	Telephone Circuits	1.27 mm	75 Cel	-25 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G24		2.65 mm	7.5 mm	Not Qualified		e4				15.4 mm
TEA1114AT/C2	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		3.6 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1069H	NXP Semiconductors	TELEPHONE MULTIFUNCTION CIRCUIT	COMMERCIAL EXTENDED	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	.0018 mA	2.7 V	3	FLATPACK	QFP44,.5SQ,32	Telephone Circuits	.8 mm	75 Cel	-25 Cel		QUAD	S-PQFP-G44	1	2.1 mm	10 mm	Not Qualified	3:2 MAKE/BREAK RATIO IF OPTION DIODE PRESENT				2:1	10 mm
TEA1113T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	1.6 mA	3.2 V	4	SMALL OUTLINE	SOP16,.25	Telephone Circuits	1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1112ATD-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		2.9 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1062T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	1.35 mA	3.4 V	3.4	SMALL OUTLINE	SOP16,.25	Telephone Circuits	1.27 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified		e4		260		9.9 mm
TEA1062A/C4/M1,112	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1			2.7 V		IN-LINE			2.54 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		4.32 mm	7.62 mm	Not Qualified		e4				38.1 mm
TEA1095TS	NXP Semiconductors	SPEAKER PHONE CIRCUIT	COMMERCIAL EXTENDED	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	.0038 mA	5 V	2.9/12	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	Telephone Circuits	.65 mm	75 Cel	-25 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G24		2 mm	5.3 mm	Not Qualified		e4				8.2 mm
TEA1096	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR		3.5 V	3.5,3.6	IN-LINE	DIP28,.6	Other Telecom ICs	2.54 mm	75 Cel	-25 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T28		5.1 mm	15.24 mm	Not Qualified	IT ALSO REQUIRES 3.6V SUPPLY	e3/e4				35.5 mm
TEA1062AT-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		1.35 mA	3.4 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified		e4				9.9 mm
TEA1098H	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		3 V		FLATPACK			.8 mm	75 Cel	-25 Cel	TIN	QUAD	S-PQFP-G44		2.1 mm	10 mm	Not Qualified		e3				10 mm
TEA1112TD-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	.0014 mA	2.9 V	2.9	SMALL OUTLINE	SOP16,.25	Telephone Circuits	1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1098ATV	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	40	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	.13 mA	3 V	TIP-RING VOLTAGE	SMALL OUTLINE, SHRINK PITCH	SOP40,.5,30	Telephone Circuits	.762 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G40		2.7 mm	7.55 mm	Not Qualified						15.4 mm
TEA1113T-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		1.6 mA	3.2 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1068TD-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR				SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G20		2.65 mm	7.5 mm	Not Qualified						12.8 mm
TEA1062A/C4,112	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1			2.7 V		IN-LINE			2.54 mm	75 Cel	-25 Cel	TIN	DUAL	R-PDIP-T16		4.32 mm	7.62 mm	Not Qualified		e3	NOT SPECIFIED	NOT SPECIFIED		38.1 mm
TEA1096ATD-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		3.6 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G28		2.65 mm	7.5 mm	Not Qualified						17.9 mm
TEA1114AT-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		3.6 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified		e4				9.9 mm
TEA1098TV	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	40	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	.14 mA	3 V	9.5	SMALL OUTLINE, SHRINK PITCH	SOP40,.5,30	Other Telecom ICs	.762 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G40		2.7 mm	7.55 mm	Not Qualified						15.4 mm
TEA1113TD-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		3.2 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1062TD	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1			2.7 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1062A/C4/M1	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1			2.7 V		IN-LINE			2.54 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		4.32 mm	7.62 mm	Not Qualified		e4				38.1 mm
TEA1069AH	NXP Semiconductors	TELEPHONE MULTIFUNCTION CIRCUIT	COMMERCIAL EXTENDED	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		2.7 V		FLATPACK	QFP44,.5SQ,32	Telephone Circuits	.8 mm	75 Cel	-25 Cel	TIN	QUAD	S-PQFP-G44		2.1 mm	10 mm	Not Qualified	3:2 MAKE/BREAK RATIO IF OPTION DIODE PRESENT	e3			2:1	10 mm
TEA1066TD-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		3.05 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G20		2.65 mm	7.5 mm	Not Qualified						12.8 mm
TEA1098TV-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	40	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		3 V		SMALL OUTLINE, SHRINK PITCH			.762 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G40		2.7 mm	7.55 mm	Not Qualified						15.4 mm
TEA1066T-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR				SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20		2.65 mm	7.5 mm	Not Qualified		e4				12.8 mm
TEA1060	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1					IN-LINE			2.54 mm	75 Cel	-25 Cel		DUAL	R-PDIP-T18		4.7 mm	7.62 mm	Not Qualified						21.6 mm
TEA1095TD	NXP Semiconductors	SPEAKER PHONE CIRCUIT	COMMERCIAL EXTENDED	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		5 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G24		2.65 mm	7.5 mm	Not Qualified	AVAILABLE ONLY IN NORTH AMERICA					15.4 mm
TEA1062	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR	1.35 mA	3.4 V	3.4	IN-LINE	DIP16,.3	Telephone Circuits	2.54 mm	75 Cel	-25 Cel	MATTE TIN	DUAL	R-PDIP-T16		4.7 mm	7.62 mm	Not Qualified		e3				21.6 mm
TEA1099H-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		3 V		FLATPACK			.8 mm	75 Cel	-25 Cel		QUAD	S-PQFP-G44		2.1 mm	10 mm	Not Qualified						10 mm
TEA1064BT-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR				SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20		2.65 mm	7.5 mm	Not Qualified		e4				12.8 mm
TEA1062AT/C4,118	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	.00135 mA	2.7 V	3.4	SMALL OUTLINE	SOP16,.25	Telephone Circuits	1.27 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	1.75 mm	3.9 mm	Not Qualified		e4		260		9.9 mm
TEA1095	NXP Semiconductors	SPEAKER PHONE CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR	.0038 mA	5 V	2.9/12	IN-LINE	DIP24,.6	Telephone Circuits	2.54 mm	75 Cel	-25 Cel		DUAL	R-PDIP-T24		5.1 mm	15.24 mm	Not Qualified						31.7 mm
TEA1067T/C2	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR		2.8 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G20		2.65 mm	7.5 mm	Not Qualified						12.8 mm
TEA1067	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR		2.8 V		IN-LINE			2.54 mm	75 Cel	-25 Cel		DUAL	R-PDIP-T18		4.7 mm	7.62 mm	Not Qualified						21.6 mm
TEA1095N	NXP Semiconductors	SPEAKER PHONE CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR		5 V		IN-LINE			2.54 mm	75 Cel	-25 Cel		DUAL	R-PDIP-T24		5.1 mm	15.24 mm	Not Qualified	AVAILABLE ONLY IN NORTH AMERICA					31.7 mm
TEA1065T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR				SMALL OUTLINE	SOP24,.4	Telephone Circuits	1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G24		2.65 mm	7.5 mm	Not Qualified						15.4 mm
TEA1062AN	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1			2.7 V		IN-LINE			2.54 mm	75 Cel	-25 Cel	TIN	DUAL	R-PDIP-T16		4.32 mm	7.62 mm	Not Qualified		e3				38.1 mm
TEA1064A	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR		2.8 V		IN-LINE			2.54 mm	75 Cel	-25 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T20		4.2 mm	7.62 mm	Not Qualified		e3/e4				26.73 mm
TEA1112T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BIPOLAR	1.4 mA	2.9 V	2.9	SMALL OUTLINE	SOP16,.25	Telephone Circuits	1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm
TEA1062T-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		1.35 mA	3.4 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified		e4				9.9 mm
TEA1069AH-T	NXP Semiconductors	TELEPHONE MULTIFUNCTION CIRCUIT	COMMERCIAL EXTENDED	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	1			2.7 V		FLATPACK			.8 mm	75 Cel	-25 Cel	TIN	QUAD	S-PQFP-G44		2.1 mm	10 mm	Not Qualified	3:2 MAKE/BREAK RATIO IF OPTION DIODE PRESENT	e3			2:1	10 mm
TEA1112AT-T	NXP Semiconductors	TELEPHONE SPEECH CIRCUIT	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		1.4 mA	2.9 V		SMALL OUTLINE			1.27 mm	75 Cel	-25 Cel		DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified						9.9 mm

Telephone Line ICs

Telephone Line ICs are electronic components used in telephone systems to interface with the telephone line and provide necessary functionality for telephone communication. These ICs are designed to provide reliable and efficient operation of the telephone line, allowing for clear and uninterrupted communication between two devices.

Telephone Line ICs use various techniques to interface with the telephone line, including pulse dialing, dual-tone multi-frequency (DTMF) signaling, and loop current sensing. Pulse dialing is used to send a series of electrical pulses over the telephone line to dial a phone number. DTMF signaling is used to send a sequence of tones to control various telephone functions, such as call forwarding and call waiting. Loop current sensing is used to detect the presence of a telephone off-hook condition, allowing the telephone system to provide appropriate signaling and call management.

Some common features of Telephone Line ICs include:

1. Telephone line interface: Telephone Line ICs provide the necessary interface with the telephone line to enable telephone communication.

2. Signal processing: Telephone Line ICs are designed to process signals quickly and efficiently, ensuring clear and uninterrupted communication.

3. Tone generation and detection: Telephone Line ICs can generate and detect various tones used for telephone communication, such as dial tones and busy signals.

4. Call management: Telephone Line ICs can provide call management functions, such as call waiting and call forwarding.

Telephone Line ICs are used in a variety of telephone systems, including traditional landline phones, cordless phones, and PBX (Private Branch Exchange) systems. They are also used in other communication systems that require telephone line interface, such as alarm systems and security systems.