680 Bus Controllers 13

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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	Package Style (Meter)	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	Nominal Supply Voltage	Bus Compatibility	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code
OR3LP26BM680	Broadcom	BUS CONTROLLER, PCI	COMMERCIAL	BALL	680	BGA	SQUARE	PLASTIC/EPOXY	YES	2.63 V	64	GRID ARRAY	2.38 V	70 Cel	528 MBps	0 Cel	TIN LEAD	BOTTOM	2.51 mm	35 mm	ALSO OPERATES AT 3.3V SUPPLY	64	66 MHz	30	225	35 mm	CMOS	2.5 V		1 mm	S-PBGA-B680		Not Qualified	e0
PEX8524-AA25VBIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V		GRID ARRAY	.9 V	85 Cel		-40 Cel		BOTTOM		35 mm	ALSO REQUIRES 3.3V SUPPLY		100 MHz	NOT SPECIFIED	NOT SPECIFIED	35 mm	CMOS	1 V		1 mm	S-PBGA-B680		Not Qualified
PEX8532-BB25BI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel	312.5 MBps	-40 Cel		BOTTOM	2.23 mm	35 mm		0	100 MHz			35 mm	CMOS	1 V		1 mm	S-PBGA-B680		Not Qualified
PEX8532-BB25BIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel	312.5 MBps	-40 Cel		BOTTOM	2.23 mm	35 mm		0	100 MHz	NOT SPECIFIED	NOT SPECIFIED	35 mm	CMOS	1 V		1 mm	S-PBGA-B680		Not Qualified
PEX8532-BC25BIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel		-40 Cel		BOTTOM		35 mm		0	100 MHz		260	35 mm	CMOS	1 V		1 mm	S-PBGA-B680	3	Not Qualified
PEX8532-BA25BIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.05 V	0	GRID ARRAY, HEAT SINK/SLUG	.95 V	85 Cel	312.5 MBps	-40 Cel		BOTTOM	2.23 mm	35 mm		0				35 mm	CMOS	1 V		1 mm	S-PBGA-B680
PEX8524-BB25VBI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V		GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel		-40 Cel		BOTTOM		35 mm			100 MHz			35 mm	CMOS	1 V		1 mm	S-PBGA-B680		Not Qualified
PEX8533-AA25BI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel	312.5 MBps	-40 Cel		BOTTOM	2.23 mm	35 mm		0				35 mm	CMOS	1 V	I2C; ISA; SPI; VGA	1 mm	S-PBGA-B680
PEX8532-BC25BI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel		-40 Cel	TIN LEAD	BOTTOM		35 mm		0	100 MHz			35 mm	CMOS	1 V		1 mm	S-PBGA-B680	3	Not Qualified	e0
PEX8533-AA25BIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel	312.5 MBps	-40 Cel	TIN SILVER COPPER	BOTTOM	2.23 mm	35 mm		0			260	35 mm	CMOS	1 V	I2C; ISA; SPI; VGA	1 mm	S-PBGA-B680	3		e1
PEX8524-BB25VBIG	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V		GRID ARRAY, HEAT SINK/SLUG	.9 V	85 Cel		-40 Cel		BOTTOM		35 mm			100 MHz	NOT SPECIFIED	NOT SPECIFIED	35 mm	CMOS	1 V		1 mm	S-PBGA-B680		Not Qualified
PEX8532-BA25BI	Broadcom	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	680	HBGA	SQUARE	PLASTIC/EPOXY	YES	1.05 V	0	GRID ARRAY, HEAT SINK/SLUG	.95 V	85 Cel	312.5 MBps	-40 Cel		BOTTOM	2.23 mm	35 mm		0				35 mm	CMOS	1 V		1 mm	S-PBGA-B680
PEX8532-AA25BI	Broadcom	BUS CONTROLLER, PCI		BALL	680	BGA	SQUARE	PLASTIC/EPOXY	YES			GRID ARRAY						BOTTOM									CMOS		PCI		S-PBGA-B680

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.