272 Bus Controllers 7

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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	Additional Features	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	Drive Interface Standard	JESD-609 Code
PCI9656-BA66BIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	272	BGA	SQUARE	PLASTIC/EPOXY	YES	2.7 V	64	2.5,3.3	GRID ARRAY	BGA272,20X20,50	2.3 V	85 Cel	528 MBps	-40 Cel	TIN SILVER COPPER	BOTTOM	2.26 mm	27 mm	ALSO REQUIRES 3.3V I/O SUPPLY	64	66 MHz		260	27 mm	CMOS	185 mA	2.5 V	Bus Controllers	I960; MPC850; MPC860; POWERPC 80X/82X; POWERPC 401	1.27 mm	S-PBGA-B272	3	Not Qualified		e1
PCI9656-BA66BI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	272	BGA	SQUARE	PLASTIC/EPOXY	YES	2.7 V	64	2.5,3.3	GRID ARRAY	BGA272,20X20,50	2.3 V	85 Cel	528 MBps	-40 Cel	TIN LEAD	BOTTOM	2.26 mm	27 mm	ALSO REQUIRES 3.3V I/O SUPPLY	64	66 MHz		260	27 mm	CMOS	185 mA	2.5 V	Bus Controllers	I960; MPC850; MPC860; POWERPC 80X/82X; POWERPC 401	1.27 mm	S-PBGA-B272	3	Not Qualified		e0
PI7C7300DNAE	Diodes Incorporated	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	272	BGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3	GRID ARRAY	BGA272,20X20,50	3 V	85 Cel		-40 Cel		BOTTOM	3.5 mm	27 mm		32	66 MHz	NOT SPECIFIED	NOT SPECIFIED	27 mm	CMOS		3.3 V	Bus Controllers	PCI; ISA; VGA	1.27 mm	S-PBGA-B272		Not Qualified	IEEE 1149.1
PI7C7300DNA	Diodes Incorporated	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	272	BGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32		GRID ARRAY		3 V	85 Cel		-40 Cel		BOTTOM	3.5 mm	27 mm		32	66 MHz			27 mm	CMOS		3.3 V		PCI; ISA; VGA	1.27 mm	S-PBGA-B272			IEEE 1149.1
LSI53C320	Broadcom	BUS CONTROLLER, SCSI	COMMERCIAL	BALL	272	BGA	SQUARE	PLASTIC/EPOXY	YES	1.89 V	0	1.8,3.3	GRID ARRAY	BGA272,20X20,50	1.71 V	70 Cel		0 Cel		BOTTOM	2.6 mm	27 mm		0	40 MHz			27 mm	CMOS		1.8 V	Other uPs/uCs/Peripheral ICs		1.27 mm	S-PBGA-B272		Not Qualified
SYM53C895V5	Broadcom	BUS CONTROLLER, SCSI	COMMERCIAL	BALL	272	BGA	SQUARE	PLASTIC/EPOXY	YES	3.465 V	32		GRID ARRAY		3.135 V	70 Cel	80 MBps	0 Cel	TIN LEAD	BOTTOM	2.5 mm	27 mm		32	33.33 MHz	30	225	27 mm	CMOS		3.3 V		PCI	1.27 mm	S-PBGA-B272		Not Qualified		e0
LSI53C895(272BGA)	Broadcom		COMMERCIAL	BALL	272	BGA	SQUARE	PLASTIC/EPOXY	YES			3.3	GRID ARRAY	BGA272,20X20,50		70 Cel		0 Cel		BOTTOM									CMOS	130 mA	3.3 V	Bus Controllers		1.27 mm	S-PBGA-B272		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.