SQUARE Modems 210

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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 Negative Supply Voltage	Maximum Supply Current	Nominal Supply Voltage	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Fax Rate	Minimum Operating Temperature	Terminal Finish	Terminal Position	Data Rate	JESD-30 Code	Maximum Seated Height	Width	Qualification	Additional Features	JESD-609 Code	Length
73M2901CL-IGV/F	Maxim Integrated	MODEM	INDUSTRIAL	GULL WING	32	TQFP	SQUARE	PLASTIC/EPOXY	YES	1				3.3 V		FLATPACK, THIN PROFILE			.8 mm	85 Cel		-40 Cel		QUAD	.0024 Mbps	S-PQFP-G32	1.2 mm	7 mm	Not Qualified			7 mm
73K324L-28IH/F	Maxim Integrated	MODEM	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS			5 V		CHIP CARRIER			1.27 mm	85 Cel		-40 Cel		QUAD	.0024 Mbps	S-PQCC-J28	4.572 mm	11.54 mm	Not Qualified			11.54 mm
73K224L-28IHR/F	Maxim Integrated	MODEM		J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		25 mA	5 V		CHIP CARRIER	LDCC28,.5SQ		1.27 mm	85 Cel		-40 Cel		QUAD	.0024 Mbps	S-PQCC-J28	4.572 mm	11.54 mm				11.54 mm
73K224L-28IH/F	Maxim Integrated	MODEM		J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		25 mA	5 V		CHIP CARRIER	LDCC28,.5SQ		1.27 mm	85 Cel		-40 Cel		QUAD	.0024 Mbps	S-PQCC-J28	4.572 mm	11.54 mm				11.54 mm
MAX2980	Maxim Integrated		COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES		CMOS			3.3 V	3.3	FLATPACK	QFP64,.47SQ,20	Modems	.5 mm	70 Cel		0 Cel	Tin/Lead (Sn/Pb)	QUAD		S-PQFP-G64			Not Qualified		e0
TC35107F	Toshiba		COMMERCIAL	GULL WING	144	QFP	SQUARE		YES		CMOS		120 mA	5 V	5	FLATPACK	QFP144,1.2SQ	Modems	.635 mm	70 Cel		0 Cel	Tin/Lead (Sn/Pb)	QUAD		S-XQFP-G144			Not Qualified		e0
TC35103F	Toshiba		COMMERCIAL	GULL WING	60	QFP	SQUARE		YES		CMOS	-5 V	30 mA	5 V	+-5	FLATPACK	QFP60,.75SQ,32	Modems	.8 mm	70 Cel		0 Cel	Tin/Lead (Sn/Pb)	QUAD		S-XQFP-G60			Not Qualified		e0
UPD77810L	Renesas Electronics		COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES		CMOS			5 V	5	CHIP CARRIER	LDCC68,1.0SQ	Modems	1.27 mm	70 Cel		-10 Cel	Tin/Lead (Sn/Pb)	QUAD		S-PQCC-J68			Not Qualified		e0
UPD77811L	Renesas Electronics			J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES		CMOS	-5 V		5 V	+-5	CHIP CARRIER	LDCC44,.7SQ	Modems	1.27 mm				Tin/Lead (Sn/Pb)	QUAD		S-PQCC-J44			Not Qualified		e0
UPD77812L	Renesas Electronics			J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES		CMOS			5 V	5	CHIP CARRIER	LDCC68,1.0SQ	Modems	1.27 mm				Tin/Lead (Sn/Pb)	QUAD		S-PQCC-J68			Not Qualified		e0
UPD77810R	Renesas Electronics		COMMERCIAL	PIN/PEG	68	PGA	SQUARE	CERAMIC	NO		CMOS			5 V	5	GRID ARRAY	PGA68,11X11	Modems	2.54 mm	70 Cel		-10 Cel	Tin/Lead (Sn/Pb)	PERPENDICULAR		S-XPGA-P68			Not Qualified		e0
UPD77811LM	Renesas Electronics			J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES		CMOS	-5 V		5 V	+-5	CHIP CARRIER	LDCC44,.7SQ	Modems	1.27 mm				Tin/Lead (Sn/Pb)	QUAD		S-PQCC-J44			Not Qualified		e0
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
KS16112	Samsung	MODEM-FAX		J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER			1.27 mm		9.6 kbps			QUAD		S-PQCC-J68	4.52 mm	24.2316 mm	Not Qualified			24.2316 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
KS16114	Samsung	MODEM		J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER			1.27 mm		14.4 kbps			QUAD		S-PQCC-J68	4.52 mm	24.2316 mm	Not Qualified			24.2316 mm
KS16112L	Samsung	MODEM-FAX	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		-5 V		5 V		CHIP CARRIER			1.27 mm	70 Cel		0 Cel		QUAD	.0096 Mbps	S-PQCC-J68	4.52 mm	24.2316 mm	Not Qualified			24.2316 mm
KS16114L	Samsung	MODEM-FAX	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		-5 V		5 V		CHIP CARRIER			1.27 mm	70 Cel		0 Cel		QUAD	.0144 Mbps	S-PQCC-J68	4.52 mm	24.2316 mm	Not Qualified	DATA RATE MIN:7.2KBPS		24.2316 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.