256 Bus Controllers 53

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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	JESD-609 Code
PEX8114-BC13BI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	256	LBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V		1,3.3	GRID ARRAY, LOW PROFILE	BGA256,16X16,40	.9 V	85 Cel		-40 Cel		BOTTOM	1.57 mm	17 mm		133 MHz	NOT SPECIFIED	NOT SPECIFIED	17 mm	CMOS	1 V	Bus Controllers		1 mm	S-PBGA-B256		Not Qualified
PEX8114-BA13BIG	Broadcom	BUS CONTROLLER, PCI		BALL	256	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	64		GRID ARRAY	BGA256,16X16,40	.9 V	85 Cel	1250 MBps	-40 Cel		BOTTOM	1.76 mm	17 mm	64	133 MHz			17 mm	CMOS	1 V		PCI, SPI	1 mm	S-PBGA-B256
PEX8114-BC13BIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	256	LBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V		1,3.3	GRID ARRAY, LOW PROFILE	BGA256,16X16,40	.9 V	85 Cel		-40 Cel	TIN SILVER COPPER	BOTTOM	1.57 mm	17 mm		133 MHz		260	17 mm	CMOS	1 V	Bus Controllers		1 mm	S-PBGA-B256	3	Not Qualified	e1
PEX8114-BA13BI	Broadcom	BUS CONTROLLER, PCI		BALL	256	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	64		GRID ARRAY	BGA256,16X16,40	.9 V	85 Cel	1250 MBps	-40 Cel		BOTTOM	1.76 mm	17 mm	64	133 MHz			17 mm	CMOS	1 V		PCI, SPI	1 mm	S-PBGA-B256
PEX8114-BD13BI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	256	BGA	SQUARE	PLASTIC/EPOXY	YES		0	1,3.3	GRID ARRAY	BGA256,16X16,40		85 Cel		-40 Cel		BOTTOM			0		NOT SPECIFIED	NOT SPECIFIED		CMOS	1 V	Bus Controllers		1 mm	S-PBGA-B256		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.