GULL WING Modems 159

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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	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	Data Rate	JESD-30 Code	Maximum Seated Height	Width	Qualification	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
UPD77812GJ	Renesas Electronics			GULL WING	74	QFP	SQUARE	PLASTIC/EPOXY	YES		CMOS	5 V	5	FLATPACK	QFP74,.9SQ,40	Modems	1 mm			Tin/Lead (Sn/Pb)	QUAD		S-PQFP-G74			Not Qualified		e0
HD81905	Renesas Electronics	MODEM	COMMERCIAL EXTENDED	GULL WING	80	QFP	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	5 V		FLATPACK			.8 mm	75 Cel	-20 Cel		QUAD	.0024 Mbps	R-PQFP-G80	3.1 mm	14 mm	Not Qualified	DATA RATE MIN:1.2KBPS				20 mm
IAD110P	Littelfuse	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE	SOP16,.4		1.27 mm	85 Cel	-40 Cel		DUAL		R-PDSO-G16	2.21 mm	7.493 mm						10.16 mm
ITC137PTR	Littelfuse	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE	SOP16,.4		1.27 mm	85 Cel	-40 Cel		DUAL		R-PDSO-G16	2.21 mm	7.493 mm						10.16 mm
IAD110PTR	Littelfuse	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE	SOP16,.4		1.27 mm	85 Cel	-40 Cel		DUAL		R-PDSO-G16	2.21 mm	7.493 mm						10.16 mm
IAB110PTR	Littelfuse	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE	SOP16,.4		1.27 mm	85 Cel	-40 Cel		DUAL		R-PDSO-G16	2.21 mm	7.493 mm						10.16 mm
ITC137P	Littelfuse	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE	SOP16,.4		1.27 mm	85 Cel	-40 Cel		DUAL		R-PDSO-G16	2.21 mm	7.493 mm						10.16 mm
IAB110P	Littelfuse	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE	SOP16,.4		1.27 mm	85 Cel	-40 Cel		DUAL		R-PDSO-G16	2.21 mm	7.493 mm						10.16 mm
CSP1037A	Broadcom	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE			1.27 mm			TIN LEAD	DUAL	.056 Mbps	R-PDSO-G16	1.75 mm	3.9 mm	Not Qualified		e0	30	240	9.905 mm
CSP1037	Broadcom	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		3.3 V		SMALL OUTLINE			1.27 mm			TIN LEAD	DUAL	.056 Mbps	R-PDSO-G16	1.75 mm	3.9 mm	Not Qualified		e0	30	240	9.905 mm
CSP1037B	Broadcom	MODEM-SUPPORT CIRCUIT		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1				SMALL OUTLINE			1.27 mm			TIN LEAD	DUAL	.056 Mbps	R-PDSO-G16	1.75 mm	3.9 mm	Not Qualified		e0	30	240	9.905 mm
S5N8952X	Samsung	MODEM	COMMERCIAL	GULL WING	208	LFQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	1.8 V	1.8,1.8/3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP208,1.2SQ,20	Other Telecom ICs	.5 mm	70 Cel	0 Cel		QUAD	8 Mbps	S-PQFP-G208	1.6 mm	28 mm	Not Qualified					28 mm
KS16117	Samsung	MODEM-DATA/FAX	COMMERCIAL	GULL WING	100	QFP	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	5 V	5	FLATPACK	QFP100,.63X.87	Modems	.65 mm	70 Cel	0 Cel	TIN LEAD	QUAD	.0144 Mbps	R-PQFP-G100	3 mm	14 mm	Not Qualified		e0			20 mm
S5N8951X01	Samsung	MODEM-SUPPORT CIRCUIT	INDUSTRIAL	GULL WING	100	QFP	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	3.3 V	3.3	FLATPACK	QFP100,.7X.9	Modems	.65 mm	85 Cel	-40 Cel		QUAD		R-PQFP-G100	3 mm	14 mm	Not Qualified					20 mm
KS16116	Samsung	MODEM-DATA/FAX	COMMERCIAL	GULL WING	100	QFP	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	5 V	5	FLATPACK	QFP100,.63X.87	Modems	.65 mm	70 Cel	0 Cel	TIN LEAD	QUAD	.0096 Mbps	R-PQFP-G100	3 mm	14 mm	Not Qualified	DATA RATE MIN:7.2KBPS	e0			20 mm

Modems

A modem, short for modulator-demodulator, is a device used to convert digital signals into analog signals for transmission over telephone lines or other analog communication channels. Modems can also receive and decode analog signals and convert them back into digital signals. They are used to provide internet connectivity, transmit data over long distances, and connect to remote devices.

Modems use a technique called modulation to convert digital signals into analog signals that can be transmitted over an analog communication channel. This involves changing the amplitude, frequency, or phase of the signal in response to the digital data being transmitted. At the receiving end, the modem uses a technique called demodulation to convert the analog signal back into a digital signal that can be processed by the receiving device.

Modems also use various modulation and demodulation techniques to ensure reliable and efficient transmission of data. These techniques include phase-shift keying (PSK), quadrature amplitude modulation (QAM), and frequency-shift keying (FSK), among others. The choice of modulation technique depends on the specific application and the characteristics of the communication channel being used.

There are several types of modems, including dial-up modems, cable modems, DSL modems, and wireless modems. Dial-up modems are the oldest type of modem and use the telephone network to transmit data at relatively slow speeds. Cable modems and DSL modems are used to provide high-speed internet connectivity over cable and phone lines, respectively. Wireless modems, also known as cellular modems, use wireless communication protocols to provide internet connectivity over cellular networks.

Modems are an essential technology for modern communication systems, enabling the transmission of data over a variety of communication channels and protocols. As the technology continues to evolve, we can expect to see even more advanced and innovative modems in the future.