COMMERCIAL EXTENDED Bus Controllers 6

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Maximum Supply Voltage	Address Bus Width	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Supply Voltage	Maximum Operating Temperature	Maximum Data Transfer Rate	Minimum Operating Temperature	Terminal Finish	Terminal Position	Maximum Seated Height	Width	External Data Bus Width	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Technology	Maximum Supply Current	Nominal Supply Voltage	Sub-Category	Bus Compatibility	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code
USB2514B/M2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL EXTENDED	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm		24 MHz			6 mm	CMOS	80 mA	3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36			e3
PI7C9X118SLFDE	Diodes Incorporated	BUS CONTROLLER, PCI	COMMERCIAL EXTENDED	GULL WING	128	HLFQFP	SQUARE	PLASTIC/EPOXY	YES	1.2 V	0		FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH		1.1 V	75 Cel	312.5 MBps	0 Cel		QUAD	1.6 mm	14 mm	0	66 MHz	NOT SPECIFIED	NOT SPECIFIED	14 mm	CMOS		1.15 V		I2C; ISA; USB; VGA	.4 mm	S-PQFP-G128
PI7C8140AMAE	Diodes Incorporated	BUS CONTROLLER, PCI	COMMERCIAL EXTENDED	GULL WING	128	FQFP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	32	3.3	FLATPACK, FINE PITCH	QFP128,.67X.91,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	3.4 mm	14 mm	32	66 MHz			20 mm	CMOS		3.3 V	Bus Controllers	PCI	.5 mm	R-PQFP-G128	3	Not Qualified	e3
PI7C9X118SLFDEX	Diodes Incorporated	BUS CONTROLLER, PCI	COMMERCIAL EXTENDED	GULL WING	128	HLFQFP	SQUARE	PLASTIC/EPOXY	YES	1.2 V	32		FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH	QFP128,.63SQ,16	1.1 V	75 Cel	312.5 MBps	0 Cel		QUAD	1.6 mm	14 mm	32	100 MHz	30	260	14 mm	CMOS		1.15 V		I2C; PCI; SMBUS; USB	.4 mm	S-PQFP-G128
R8A66597BG	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL EXTENDED	BALL	81	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	8		GRID ARRAY, LOW PROFILE, FINE PITCH	BGA81,9X9,20	3 V	85 Cel	60 MBps	-20 Cel		BOTTOM	1.3 mm	5 mm	16				5 mm	CMOS		3.3 V			.5 mm	S-PBGA-B81		Not Qualified
R8A66597FP	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL EXTENDED	GULL WING	80	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	8		FLATPACK, LOW PROFILE, FINE PITCH	QFP80,.39SQ,16	3 V	85 Cel	60 MBps	-20 Cel		QUAD	1.7 mm	10 mm	16				10 mm	CMOS		3.3 V			.4 mm	S-PQFP-G80		Not Qualified

Bus Controllers

Bus controllers are integrated circuits that are used to manage and control the flow of data and control signals between different devices in a computer system. They are commonly used in systems that have multiple buses, such as a memory bus and an I/O bus. Bus controllers ensure that data is transferred efficiently and correctly between different devices in the system.

One of the primary functions of a bus controller is to manage bus arbitration. Bus arbitration is the process of resolving conflicts that occur when two or more devices on the bus attempt to access the bus at the same time. Bus controllers use various algorithms to determine which device has priority access to the bus and when other devices can access it.

Another important function of bus controllers is to manage the transfer of data and control signals between devices on the bus. This involves controlling the timing and synchronization of signals, as well as error detection and correction. Bus controllers also manage other aspects of the bus, such as interrupt handling and power management.