Renesas Electronics Modems 15

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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	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	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)	Length
R9A06G037GNP#AA0	Renesas Electronics	MODEM																							3
80RWM6050BALGI	Renesas Electronics	MODEM																			TIN SILVER COPPER				4					e1		245
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
F1370NBGI8	Renesas Electronics	MODEM-DEMODULATOR												5			Other Telecom ICs				Tin (Sn)				1			Not Qualified		e3	NOT SPECIFIED	260
F1350NBGI8	Renesas Electronics	MODEM-DEMODULATOR																			Tin (Sn)				1					e3	NOT SPECIFIED	260
UPD65942GB-Y47-UES-A	Renesas Electronics
HD49428F	Renesas Electronics	MODEM-DEMODULATOR	COMMERCIAL	GULL WING	80	QFP	UNSPECIFIED	PLASTIC/EPOXY	YES	1			5 V		FLATPACK				70 Cel	0 Cel		QUAD	5.5 Mbps	X-PQFP-G80				Not Qualified
80RWM6050BALG	Renesas Electronics	MODEM																			TIN SILVER COPPER				4					e1		245
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
R9A06G061GNP	Renesas Electronics	MODEM

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.