24 Bus Controllers 20

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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
USB3347-CP	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HQCCN	SQUARE	PLASTIC/EPOXY	YES	2 V		1.8,3.3	CHIP CARRIER, HEAT SINK/SLUG	LCC24,.16SQ,20	1.6 V	85 Cel		-40 Cel	MATTE TIN	QUAD	.9 mm	4 mm			26 MHz			4 mm	CMOS	52 mA	1.8 V	Bus Controllers	UART; USB	.5 mm	S-PQCC-N24		Not Qualified		e3
AT43301-SU	Atmel	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.25 V			SMALL OUTLINE		4.4 V	85 Cel		-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm	7.5 mm			6 MHz			15.4 mm	CMOS		5 V			1.27 mm	R-PDSO-G24		Not Qualified		e3
DS2490Y	Maxim Integrated	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	0		SMALL OUTLINE		4.4 V	70 Cel	1.5 MBps	0 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm		0	12 MHz		245	15.4 mm	CMOS		5 V			1.27 mm	R-PDSO-G24		Not Qualified		e0
PCA9549D,118	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	0	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2.65 mm	7.5 mm		0				15.4 mm	CMOS	.1 mA	3.3 V	Bus Controllers	I2C	1.27 mm	R-PDSO-G24	1	Not Qualified		e4
PCA9549PW,118	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	0	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.1 mm	4.4 mm		0				7.8 mm	CMOS	.1 mA	3.3 V	Bus Controllers	I2C	.65 mm	R-PDSO-G24	1	Not Qualified		e4
SC18IS600IBS,128	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	0	2.4/3.6	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	TSSOP16,.25	2.4 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	1 mm	4 mm		0	18 MHz	30	260	4 mm	CMOS	16 mA		Bus Controllers		.5 mm	S-PQCC-N24	1	Not Qualified		e4
SC18IS600IBS,151	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	0	2.4/3.6	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	TSSOP16,.25	2.4 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	1 mm	4 mm		0	18 MHz	30	260	4 mm	CMOS	16 mA		Bus Controllers		.5 mm	S-PQCC-N24	1	Not Qualified		e4
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
PCA9549D,112	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	0	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2.65 mm	7.5 mm		0				15.4 mm	CMOS	.1 mA	3.3 V	Bus Controllers	I2C	1.27 mm	R-PDSO-G24	1	Not Qualified		e4
SC18IS600IBS,157	NXP Semiconductors	BUS CONTROLLER, I2C	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	0	2.4/3.6	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	2.4 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	1 mm	4 mm		0	18 MHz	30	260	4 mm	CMOS	16 mA		Bus Controllers		.5 mm	S-PQCC-N24	1	Not Qualified		e4
AT43301-SC	Atmel	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.25 V			SMALL OUTLINE		4.4 V	70 Cel		0 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm			6 MHz			15.4 mm	CMOS		5 V			1.27 mm	R-PDSO-G24		Not Qualified		e0
SEC1210-I/PV-UR2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V			CHIP CARRIER, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	LCC24,.2SQ,25	3.6 V	85 Cel	1.5 MBps	-40 Cel	MATTE TIN	QUAD	1 mm	5 mm			48 MHz			5 mm	CMOS	7.5 mA	5 V		SPI; UART; USB	.65 mm	S-XQCC-N24				e3
SEC1210/PV-UR2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V			CHIP CARRIER, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	LCC24,.2SQ,25	3.6 V	70 Cel	1.5 MBps	0 Cel	MATTE TIN	QUAD	1 mm	5 mm			48 MHz			5 mm	CMOS	7.5 mA	5 V		SPI; UART; USB	.65 mm	S-XQCC-N24				e3
SEC1210T-I/PV-UR2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V			CHIP CARRIER, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	LCC24,.2SQ,25	3.6 V	85 Cel	1.5 MBps	-40 Cel	MATTE TIN	QUAD	1 mm	5 mm			48 MHz			5 mm	CMOS	7.5 mA	5 V		SPI; UART; USB	.65 mm	S-XQCC-N24				e3
SEC1210T/PV-UR2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V			CHIP CARRIER, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	LCC24,.2SQ,25	3.6 V	70 Cel	1.5 MBps	0 Cel	MATTE TIN	QUAD	1 mm	5 mm			48 MHz			5 mm	CMOS	7.5 mA	5 V		SPI; UART; USB	.65 mm	S-XQCC-N24				e3
CP2102N-A01-GQFN24R	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel		QUAD	.8 mm	4 mm						4 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32			RS232; RS485
CP2102N-A01-GQFN24	Silicon Labs	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	3 V	85 Cel	1.5 MBps	-40 Cel		QUAD	.8 mm	4 mm						4 mm	CMOS	100 mA	3.3 V		UART; VBUS	.5 mm	S-XQCC-N32			RS232; RS485
STUSB1600QTR	STMicroelectronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V	0		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		3 V	105 Cel	.05 MBps	-40 Cel		QUAD	1 mm	4 mm	IT ALSO REQUIRES 4.1V TO 22V POWER SUPPLY FROM USB POWER LINE	0	.4 MHz	NOT SPECIFIED	NOT SPECIFIED	4 mm	CMOS		3.3 V		I2C; USB	.5 mm	S-XQCC-N24
STUSB1602QTR	STMicroelectronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V	0		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		3 V	105 Cel	.05 MBps	-40 Cel		QUAD	1 mm	4 mm	IT ALSO REQUIRES 4.1V TO 22V POWER SUPPLY FROM USB POWER LINE	0	.4 MHz	NOT SPECIFIED	NOT SPECIFIED	4 mm	CMOS		3.3 V		I2C; SPI; USB	.5 mm	S-XQCC-N24
USB3346-CP	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS		NO LEAD	24	HVQCCN	SQUARE	UNSPECIFIED	YES		0		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20		85 Cel		-40 Cel		QUAD	1 mm	4 mm	IT ALSO REQUIRES 3.3V SUPPLY	8	19.2 MHz			4 mm	CMOS		1.8 V		USB, VBUS	.5 mm	S-XQCC-N24

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.