144 Bus Controllers 57

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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	Nominal Supply Voltage	Sub-Category	Bus Compatibility	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Drive Interface Standard	JESD-609 Code
89HPES3T3ZABC	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	144	LBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V			GRID ARRAY, LOW PROFILE	BGA144,12X12,40	.9 V	70 Cel	312.5 MBps	0 Cel	Tin/Lead (Sn/Pb)	BOTTOM	1.5 mm	13 mm		100 MHz	20	225	13 mm	CMOS	1 V		SMBUS	1 mm	S-PBGA-B144	3	Not Qualified		e0
89HPES4T4ZABCG	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	144	LBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0		GRID ARRAY, LOW PROFILE		.9 V	70 Cel		0 Cel	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	1.5 mm	13 mm	0	125 MHz	30	260	13 mm	CMOS	1 V		PCI	1 mm	S-PBGA-B144	3	Not Qualified	IEEE 1149.1	e1
89HPES3T3ZABCG	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	144	LBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V			GRID ARRAY, LOW PROFILE	BGA144,12X12,40	.9 V	70 Cel	312.5 MBps	0 Cel	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	1.5 mm	13 mm		100 MHz	30	260	13 mm	CMOS	1 V		SMBUS	1 mm	S-PBGA-B144	3	Not Qualified		e1
89HPES3T3ZBBCGI	Renesas Electronics	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	144	LBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	1,3.3	GRID ARRAY, LOW PROFILE	BGA144,12X12,40	.9 V	85 Cel		-40 Cel	TIN SILVER COPPER	BOTTOM	1.5 mm	13 mm	0	100 MHz	40	260	13 mm	CMOS	1 V	Bus Controllers	PCI	1 mm	S-PBGA-B144	3	Not Qualified		e1
UPD720101F1-EA8-E2-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	BALL	144	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3	GRID ARRAY, LOW PROFILE, FINE PITCH	BGA144,14X14,32	3 V	70 Cel		0 Cel		BOTTOM	1.58 mm	12 mm	32	48 MHz	NOT SPECIFIED	NOT SPECIFIED	12 mm	MOS	3.3 V	Bus Controllers	PCI	.8 mm	S-PBGA-B144		Not Qualified
UPD720101F1-EA8	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	BALL	144	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3	GRID ARRAY, LOW PROFILE, FINE PITCH	BGA144,14X14,32	3 V	70 Cel		0 Cel		BOTTOM	1.58 mm	12 mm	32	48 MHz			12 mm	MOS	3.3 V	Bus Controllers	PCI	.8 mm	S-PBGA-B144		Not Qualified
UPD720101GJ-UEN	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	144	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP144,.87SQ,20	3 V	70 Cel		0 Cel		QUAD	1.6 mm	20 mm	32	48 MHz			20 mm	MOS	3.3 V	Bus Controllers	PCI	.5 mm	S-PQFP-G144		Not Qualified
UPD720101GJ-UEN-E2-A	Renesas Electronics		COMMERCIAL	GULL WING	144	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	QFP144,.87SQ,20		70 Cel		0 Cel		QUAD								CMOS	3.3 V	Bus Controllers		.5 mm	S-PQFP-G144		Not Qualified
UPD720101F1-EA8-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	BALL	144	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3,5	GRID ARRAY, LOW PROFILE, FINE PITCH	BGA144,14X14,32	3 V	70 Cel		0 Cel	TIN SILVER COPPER	BOTTOM	1.58 mm	12 mm	32	48 MHz	10	260	12 mm	MOS	3.3 V	Bus Controllers	PCI	.8 mm	S-PBGA-B144	4	Not Qualified		e1

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.