VQCCN 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	Screening Level	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	JESD-609 Code
PCA9549BS,118	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	NO LEAD	24	VQCCN	SQUARE	UNSPECIFIED	YES	5.5 V		0	2.5/5	CHIP CARRIER, VERY THIN PROFILE	LCC24,.16SQ,20	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1 mm	4 mm		0				4 mm	CMOS	.1 mA		Bus Controllers	I2C	.5 mm	S-XQCC-N24	1	Not Qualified	e4
PCA9665BS,118	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	NO LEAD	20	VQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V		0	2.5/3.3	CHIP CARRIER, VERY THIN PROFILE	LCC20,.20SQ,25	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	1 mm	5 mm		8	1 MHz	30	260	5 mm	CMOS	8 mA	2.5 V	Bus Controllers	I2C	.65 mm	S-PQCC-N20	1	Not Qualified	e4
VNC232Q1BREEL	FTDI	BUS CONTROLLER, UNIVERSAL SERIAL BUS	AUTOMOTIVE	NO LEAD	32	VQCCN	SQUARE	UNSPECIFIED	YES	1.98 V		0		CHIP CARRIER, VERY THIN PROFILE		1.62 V	125 Cel	1.5 MBps	-40 Cel		QUAD	1 mm	7 mm	ALSO REQUIRES AT 3.3 V I/O SUPPLY	0	6 MHz			7 mm	CMOS		1.8 V			.65 mm	S-XQCC-N32	3
TUSB217ARWBT	Texas Instruments	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	NO LEAD	12	VQCCN	SQUARE	PLASTIC/EPOXY	YES	6.5 V				CHIP CARRIER, VERY THIN PROFILE	LCC12,.063SQ,16	2.3 V	70 Cel	60 MBps	0 Cel	NICKEL PALLADIUM GOLD	QUAD	.4 mm	1.6 mm				30	260	1.6 mm	CMOS	.036 mA	5 V		I2C; VBUS	.4 mm	S-PQCC-N12	2		e4
TUSB217AIRWBT	Texas Instruments	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	12	VQCCN	SQUARE	PLASTIC/EPOXY	YES	6.5 V				CHIP CARRIER, VERY THIN PROFILE	LCC12,.063SQ,16	2.3 V	85 Cel	60 MBps	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	.4 mm	1.6 mm				30	260	1.6 mm	CMOS	.036 mA	5 V		I2C; VBUS	.4 mm	S-PQCC-N12	2		e4
TUSB217ARWBTQ1	Texas Instruments	BUS CONTROLLER, UNIVERSAL SERIAL BUS		NO LEAD	12	VQCCN	SQUARE	PLASTIC/EPOXY	YES	6.5 V	AEC-Q100			CHIP CARRIER, VERY THIN PROFILE	LCC12,.063SQ,16	2.3 V	105 Cel	60 MBps	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	.4 mm	1.6 mm					260	1.6 mm	CMOS	.036 mA	5 V		I2C; VBUS	.4 mm	S-PQCC-N12	2		e4

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.