SQUARE Bus Controllers 2,289

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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	JESD-609 Code
M66291HP	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	52	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.45 V	6	3.3,3/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC52,.28SQ,16	3.15 V	85 Cel		-20 Cel		QUAD	1 mm	7 mm		16	48 MHz			7 mm	CMOS	30 mA	3.3 V	Bus Controllers		.4 mm	S-PQCC-N52		Not Qualified
89HT0816APZCBLG	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	196	BGA	SQUARE	PLASTIC/EPOXY	YES	1.05 V			GRID ARRAY	BGA196,14X14,40	.95 V	70 Cel	1000 MBps	0 Cel	TIN SILVER COPPER	BOTTOM	2.85 mm	15 mm			100 MHz		245	15 mm	CMOS	1734 mA	1 V		I2C; PCI; SMBUS	1 mm	S-PBGA-B196	4		e1
UPD720122GC-9EU	Renesas Electronics		COMMERCIAL	GULL WING	100	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	TQFP100,.63SQ		70 Cel		0 Cel		QUAD									CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G100		Not Qualified
UPD720160AGC-XXX-8EA	Renesas Electronics		COMMERCIAL	GULL WING	100	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	QFP100,.63SQ,20		70 Cel		0 Cel		QUAD									CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G100		Not Qualified
CA91L8260B-100CE	Renesas Electronics	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	420	BGA	SQUARE	PLASTIC/EPOXY	YES	2.63 V	32		GRID ARRAY		2.38 V	85 Cel		-40 Cel	TIN LEAD	BOTTOM	2.46 mm	35 mm	ALSO REQUIRES 3.3V SUPPLY	64	100 MHz		225	35 mm	CMOS		2.5 V		MPC825X; MPC826X; MPC827X; MPC8280; MPC74X; MPC75X; POWERPC 7400; POWERPC 740; POWERPC 750	1.27 mm	S-PBGA-B420	3	Not Qualified	e0
UPD720101F1-EA8-E2-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	BALL	144	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3	GRID ARRAY, LOW PROFILE, FINE PITCH	BGA144,14X14,32	3 V	70 Cel		0 Cel		BOTTOM	1.58 mm	12 mm		32	48 MHz	NOT SPECIFIED	NOT SPECIFIED	12 mm	MOS		3.3 V	Bus Controllers	PCI	.8 mm	S-PBGA-B144		Not Qualified
CA91C142X-33CE	Renesas Electronics	BUS CONTROLLER, VME	COMMERCIAL	BALL	313	BGA	SQUARE	PLASTIC/EPOXY	YES	5.5 V	64		GRID ARRAY		4.5 V	70 Cel	70 MBps	0 Cel	TIN LEAD	BOTTOM	2.46 mm	35 mm		64	33 MHz			35 mm	CMOS		5 V		PCI	1.27 mm	S-PBGA-B313		Not Qualified	e0
UPD720112GK-9EU-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	2.7 V		2.5,3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	2.3 V	70 Cel		0 Cel	TIN BISMUTH	QUAD	1.2 mm	12 mm	ALSO REQUIRES 3.3V SUPPLY		30 MHz			12 mm	MOS		2.5 V	Bus Controllers		.5 mm	S-PQFP-G80		Not Qualified	e6
UPD72871F1-FA2	Renesas Electronics		COMMERCIAL	BALL	192	FBGA	SQUARE		YES			3.3,3.3/5	GRID ARRAY, FINE PITCH	BGA192,16X16,32		70 Cel		0 Cel	Tin/Lead (Sn/Pb)	BOTTOM									CMOS			Bus Controllers		.8 mm	S-XBGA-B192		Not Qualified	e0
CA91C142D-33CE	Renesas Electronics	BUS CONTROLLER, VME	COMMERCIAL	BALL	313	IBGA	SQUARE	PLASTIC/EPOXY	YES	5.5 V	64	5	GRID ARRAY, INTERSTITIAL PITCH	BGA313,25X25,50	4.5 V	70 Cel	70 MBps	0 Cel	TIN LEAD	BOTTOM	3.5 mm	35 mm		64	33 MHz		225	35 mm	CMOS		5 V	Bus Controllers	PCI	2.54 mm	S-PBGA-B313	3	Not Qualified	e0
UPD720130GC-9EU	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	100		SQUARE	PLASTIC/EPOXY	YES	2.7 V				QFP100(UNSPEC)	2.3 V	70 Cel	60.03 MBps	0 Cel		QUAD			ALSO OPERATES AT 3.3 V TYP		30 MHz				CMOS		2.5 V		IDE		S-PQFP-G100		Not Qualified
UPD720133GB-YEU	Renesas Electronics		COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES			2.5,3.3	FLATPACK	TQFP64,.47SQ		70 Cel		0 Cel		QUAD									CMOS			Bus Controllers		.5 mm	S-PQFP-G64		Not Qualified
UPD72871GM-8ED	Renesas Electronics		COMMERCIAL	GULL WING	160	QFP	SQUARE		YES			3.3,3.3/5	FLATPACK	QFP160,1.0SQ,20		70 Cel		0 Cel	Tin/Lead (Sn/Pb)	QUAD									CMOS			Bus Controllers		.5 mm	S-XQFP-G160		Not Qualified	e0
89H22H16G2ZBBLI	Renesas Electronics	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	1156	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	1,2.5,2.5/3.3	GRID ARRAY	BGA1156,34X34,40	.9 V	85 Cel	22000 MBps	-40 Cel		BOTTOM	3.42 mm	35 mm		0	125 MHz	NOT SPECIFIED	NOT SPECIFIED	35 mm	CMOS	5455 mA	1 V	Bus Controllers	I2C; ISA; PCI; SMBUS; VGA	1 mm	S-PBGA-B1156		Not Qualified
UPD720150GK-9EU-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	8		FLATPACK, THIN PROFILE, FINE PITCH		2.7 V	85 Cel		-40 Cel	Tin/Bismuth (Sn/Bi)	QUAD	1.2 mm	12 mm		16	30 MHz	10	260	12 mm	CMOS		3.3 V			.5 mm	S-PQFP-G80			e6
UPD720100AGM-8EY-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	160	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	0	3.3,3.3/5	FLATPACK, LOW PROFILE, FINE PITCH	QFP160,1.0SQ,20	3 V	70 Cel		0 Cel	TIN BISMUTH	QUAD	1.7 mm	24 mm		0	48 MHz			24 mm	MOS		3.3 V	Bus Controllers	PCI	.5 mm	S-PQFP-G160		Not Qualified	e6
89H24NT6AG2ZCHLG	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	484	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V		1,3.3	GRID ARRAY	BGA484,22X22,40	.9 V	70 Cel	24000 MBps	0 Cel	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	2.92 mm	23 mm	ALSO OPERATES AT 100 MHZ		125 MHz	NOT SPECIFIED	250	23 mm	CMOS	3400 mA	1 V	Bus Controllers	I2C; ISA; SMBUS; VGA	1 mm	S-PBGA-B484	4	Not Qualified	e1
CA91C142X-33CB	Renesas Electronics	BUS CONTROLLER, VME	COMMERCIAL	BALL	361	BGA	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V	64		GRID ARRAY		4.5 V	70 Cel	70 MBps	0 Cel	TIN LEAD	BOTTOM	3.67 mm	25 mm		64	33 MHz			25 mm	CMOS		5 V		PCI	1.27 mm	S-CBGA-B361		Not Qualified	e0
UPD720231AK8-614-BAE-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	48	QCCN	SQUARE	UNSPECIFIED	YES				CHIP CARRIER			85 Cel	625 MBps	0 Cel		QUAD			ALSO REQUIRES 5V POWER SUPPLY			NOT SPECIFIED	NOT SPECIFIED		CMOS		3.3 V		ATA; ATAPI; SPI		S-XQCC-N48
UPD720110AGC-8EA-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	100	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.46 V	0	3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP100,.63SQ,20	3.14 V	70 Cel		0 Cel	TIN BISMUTH	QUAD	1.6 mm	14 mm		0	48 MHz			14 mm	MOS		3.3 V	Bus Controllers	PCI	.5 mm	S-PQFP-G100		Not Qualified	e6
89H22H16G2ZBBLGI	Renesas Electronics	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	1156	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	1,2.5,2.5/3.3	GRID ARRAY	BGA1156,34X34,40	.9 V	85 Cel	22000 MBps	-40 Cel		BOTTOM	3.42 mm	35 mm		0	125 MHz	NOT SPECIFIED	NOT SPECIFIED	35 mm	CMOS	5455 mA	1 V	Bus Controllers	I2C; ISA; PCI; SMBUS; VGA	1 mm	S-PBGA-B1156		Not Qualified
UPD720231AK8-612-BAE-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	48	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.25 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		4 V	85 Cel		0 Cel		QUAD	.9 mm	6 mm						6 mm	CMOS		5 V		ATA; ATA-8	.4 mm	S-PQCC-N48
UPD720100AGM-8EY	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	160	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	0	3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP160,1.0SQ,20	3 V	70 Cel		0 Cel		QUAD	1.7 mm	24 mm		0	48 MHz			24 mm	MOS		3.3 V	Bus Controllers	PCI	.5 mm	S-PQFP-G160		Not Qualified
89H24NT6AG2ZCHLG8	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	484	BGA	SQUARE	PLASTIC/EPOXY	YES			1,3.3	GRID ARRAY	BGA484,22X22,40		70 Cel		0 Cel	TIN SILVER COPPER	BOTTOM							250		CMOS			Bus Controllers		1 mm	S-PBGA-B484	4	Not Qualified	e1
UPD720101F1-EA8	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	BALL	144	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3	GRID ARRAY, LOW PROFILE, FINE PITCH	BGA144,14X14,32	3 V	70 Cel		0 Cel		BOTTOM	1.58 mm	12 mm		32	48 MHz			12 mm	MOS		3.3 V	Bus Controllers	PCI	.8 mm	S-PBGA-B144		Not Qualified
UPD720101GJ-UEN	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	144	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	32	3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP144,.87SQ,20	3 V	70 Cel		0 Cel		QUAD	1.6 mm	20 mm		32	48 MHz			20 mm	MOS		3.3 V	Bus Controllers	PCI	.5 mm	S-PQFP-G144		Not Qualified
89H24NT24G2ZCHLG	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	324	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	1,2.5,3.3	GRID ARRAY	BGA324,18X18,40	.9 V	70 Cel	24000 MBps	0 Cel	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	2.88 mm	19 mm	ALSO OPERATES AT 100 MHZ	0	125 MHz	NOT SPECIFIED	260	19 mm	CMOS	3400 mA	1 V	Bus Controllers	I2C; ISA; VGA	1 mm	S-PBGA-B324	4	Not Qualified	e1
UPD720113GK-9EU-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	2.7 V	0	2.5,3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	2.3 V	70 Cel	480 MBps	0 Cel	TIN BISMUTH	QUAD	1.2 mm	12 mm	ALSO REQUIRES 3.3V SUPPLY	0	30 MHz			12 mm	MOS		2.5 V	Bus Controllers		.5 mm	S-PQFP-G80		Not Qualified	e6
UPD72873GC-YEB-Y	Renesas Electronics		COMMERCIAL	GULL WING	120	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	TQFP120,.64SQ,16		70 Cel		0 Cel		QUAD									CMOS		3.3 V	Bus Controllers		.4 mm	S-PQFP-G120		Not Qualified
UPD72111GJ-5BJ	Renesas Electronics		COMMERCIAL	GULL WING	74	QFP	SQUARE	PLASTIC/EPOXY	YES			5	FLATPACK	QFP74,.9SQ,40		70 Cel		0 Cel	Tin/Lead (Sn/Pb)	QUAD									CMOS	100 mA	5 V	Bus Controllers		1 mm	S-PQFP-G74		Not Qualified	e0
89H24NT24G2ZCHLGI	Renesas Electronics	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	324	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	1,2.5,3.3	GRID ARRAY	BGA324,18X18,40	.9 V	85 Cel	24000 MBps	-40 Cel	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	2.88 mm	19 mm	ALSO OPERATES AT 100 MHZ	0	125 MHz	NOT SPECIFIED	260	19 mm	CMOS	3400 mA	1 V	Bus Controllers	I2C; ISA; VGA	1 mm	S-PBGA-B324	4	Not Qualified	e1
UPD720102GC-YEB-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	120	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.465 V	32	3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP120,.64SQ,16	3.135 V	70 Cel	480 MBps	-20 Cel	TIN BISMUTH	QUAD	1.2 mm	14 mm		32	48 MHz	60	260	14 mm	CMOS		3.3 V	Bus Controllers	PCI	.4 mm	S-PQFP-G120		Not Qualified	e6
UPD720100AS1-2C	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	BALL	176	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	0	3.3	GRID ARRAY, LOW PROFILE, FINE PITCH	BGA176,17X17,32	3 V	70 Cel		0 Cel		BOTTOM	1.66 mm	15 mm		0	48 MHz			15 mm	MOS		3.3 V	Bus Controllers	PCI	.8 mm	S-PBGA-B176		Not Qualified
89H22H16G2ZBBLG	Renesas Electronics	BUS CONTROLLER, PCI	COMMERCIAL	BALL	1156	BGA	SQUARE	PLASTIC/EPOXY	YES	1.1 V	0	1,2.5,2.5/3.3	GRID ARRAY	BGA1156,34X34,40	.9 V	70 Cel	22000 MBps	0 Cel		BOTTOM	3.42 mm	35 mm		0	125 MHz	NOT SPECIFIED	NOT SPECIFIED	35 mm	CMOS	5455 mA	1 V	Bus Controllers	I2C; ISA; PCI; SMBUS; VGA	1 mm	S-PBGA-B1156		Not Qualified
UPD72012GB-XXX-3B4	Renesas Electronics		COMMERCIAL	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	QFP44,.5SQ,32		70 Cel		0 Cel	Tin/Lead (Sn/Pb)	QUAD									CMOS	40 mA	3.3 V	Bus Controllers		.8 mm	S-PQFP-G44		Not Qualified	e0
UPD720122F1-DN2	Renesas Electronics		COMMERCIAL	BALL	109	FBGA	SQUARE	PLASTIC/EPOXY	YES			3.3	GRID ARRAY, FINE PITCH	BGA109,12X12,32		70 Cel		0 Cel		BOTTOM									CMOS		3.3 V	Bus Controllers		.8 mm	S-PBGA-B109		Not Qualified
UPD720112GK-9EA	Renesas Electronics		COMMERCIAL	GULL WING	80	QFP	SQUARE	PLASTIC/EPOXY	YES			2.5,3.3	FLATPACK	TQFP80,.55SQ		70 Cel		0 Cel		QUAD									CMOS			Bus Controllers		.5 mm	S-PQFP-G80		Not Qualified
UPD720133GB-YEU-Y	Renesas Electronics		COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES			2.5,3.3	FLATPACK	TQFP64,.47SQ		70 Cel		0 Cel		QUAD									CMOS			Bus Controllers		.5 mm	S-PQFP-G64		Not Qualified
UPD72873GC-YEB-A	Renesas Electronics		COMMERCIAL	GULL WING	120	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	TQFP120,.64SQ,16		70 Cel		0 Cel	TIN BISMUTH	QUAD						10	260		CMOS		3.3 V	Bus Controllers		.4 mm	S-PQFP-G120	3	Not Qualified	e6
UPD72111L	Renesas Electronics		COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES			5	CHIP CARRIER	LDCC68,1.0SQ		70 Cel		-10 Cel	Tin/Lead (Sn/Pb)	QUAD									CMOS	100 mA	5 V	Bus Controllers		1.27 mm	S-PQCC-J68		Not Qualified	e0
89HT0816APZCBLGI	Renesas Electronics	BUS CONTROLLER, PCI	INDUSTRIAL	BALL	196	BGA	SQUARE	PLASTIC/EPOXY	YES	1.05 V			GRID ARRAY	BGA196,14X14,40	.95 V	85 Cel	1000 MBps	-40 Cel	TIN SILVER COPPER	BOTTOM	2.85 mm	15 mm			100 MHz		245	15 mm	CMOS	1734 mA	1 V		I2C; PCI; SMBUS	1 mm	S-PBGA-B196	4		e1
CA91C142X-25EB	Renesas Electronics	BUS CONTROLLER, VME	MILITARY	BALL	361	BGA	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V	64		GRID ARRAY		4.5 V	125 Cel	70 MBps	-55 Cel	TIN LEAD	BOTTOM	3.67 mm	25 mm		64	25 MHz			25 mm	CMOS		5 V		PCI	1.27 mm	S-CBGA-B361		Not Qualified	e0
UPD720120GC-9EU	Renesas Electronics		COMMERCIAL	GULL WING	100	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	TQFP100,.63SQ		70 Cel		0 Cel	Tin/Lead (Sn/Pb)	QUAD									CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G100		Not Qualified	e0
UPD720160GC-XXX-8EA	Renesas Electronics		COMMERCIAL	GULL WING	100	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3	FLATPACK	QFP100,.63SQ,20		70 Cel		0 Cel		QUAD											3.3 V	Bus Controllers		.5 mm	S-PQFP-G100		Not Qualified
CA91C142X-33IE	Renesas Electronics	BUS CONTROLLER, VME	INDUSTRIAL	BALL	313	BGA	SQUARE	PLASTIC/EPOXY	YES	5.5 V	64		GRID ARRAY		4.5 V	85 Cel	70 MBps	-40 Cel	TIN LEAD	BOTTOM	2.46 mm	35 mm		64	33 MHz			35 mm	CMOS		5 V		PCI	1.27 mm	S-PBGA-B313		Not Qualified	e0
UPD720122F1-DN2-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	BALL	109	LFBGA	SQUARE	PLASTIC/EPOXY	YES	3.6 V	8	3.3	GRID ARRAY, LOW PROFILE, FINE PITCH	BGA109,12X12,32	3 V	70 Cel	480 MBps	0 Cel	TIN SILVER COPPER	BOTTOM	1.38 mm	11 mm		16	30 MHz			11 mm	MOS		3.3 V	Bus Controllers		.8 mm	S-PBGA-B109		Not Qualified	e1
UPD720130GC-9EU-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	COMMERCIAL	GULL WING	100		SQUARE	PLASTIC/EPOXY	YES	2.7 V				QFP100(UNSPEC)	2.3 V	70 Cel	60.03 MBps	0 Cel	Tin/Bismuth (Sn98Bi2)	QUAD			ALSO OPERATES AT 3.3 V TYP		30 MHz				CMOS		2.5 V		IDE		S-PQFP-G100		Not Qualified	e6
UPD72874GC-9EV	Renesas Electronics		COMMERCIAL	GULL WING	120	QFP	SQUARE	PLASTIC/EPOXY	YES			3.3/5	FLATPACK	TQFP120,.64SQ,16		70 Cel		0 Cel		QUAD									CMOS			Bus Controllers		.4 mm	S-PQFP-G120		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.