OTHER Bus Controllers 101

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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	Drive Interface Standard	JESD-609 Code
USB2514B-AEZC	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	TS 16949			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz		260	6 mm	CMOS		3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2514B-AEZC-TR	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	TS 16949			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS		3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2514B-AEZG-TR	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	TS 16949			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz		260	6 mm	CMOS	80 mA	3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36	3			e3
USB2514BT/M2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS	80 mA	3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2512B-AEZG	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	TS 16949			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS		3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36		Not Qualified		e3
USB2512B-AEZG-TR	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	TS 16949			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS		3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2513B-AEZC-TR	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	TS 16949			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS		3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2512B/M2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS	65 mA	3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2513B-AEZC	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V	TS 16949			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS		3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2512BT/M2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS	65 mA	3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2513B/M2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS	70 mA	3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
USB2513BT/M2	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	36	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	1 mm	6 mm			24 MHz			6 mm	CMOS	70 mA	3.3 V		I2C; SMBUS; USB	.5 mm	S-PQCC-N36				e3
UPD720201K8-701-BAC-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	68	QCCN	SQUARE	PLASTIC/EPOXY	YES				3.3	CHIP CARRIER	LCC68,.32SQ,16		85 Cel		0 Cel	TIN BISMUTH	QUAD											3.3 V	Bus Controllers		.4 mm	S-PQCC-N68		Not Qualified		e6
GL850G-HHY22	Genesys Logic	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	28	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		0		SMALL OUTLINE, SHRINK PITCH		4.5 V	85 Cel	60 MBps	0 Cel		DUAL	2 mm	5.3 mm	ALSO AVAILABLE WITH 3.3V NOM	0	12 MHz	NOT SPECIFIED	NOT SPECIFIED	10.2 mm	CMOS		5 V		USB; VBUS	.65 mm	R-PDSO-G28
NET2272REV1A-LF	Broadcom	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	64	LFQFP	SQUARE	PLASTIC/EPOXY	YES	2.6 V		5	2.5,3.3	FLATPACK, LOW PROFILE, FINE PITCH	TQFP64,.47SQ	2.2 V	85 Cel		0 Cel		QUAD	1.27 mm	10 mm	ALSO REQUIRES 3.3V SUPPLY	16	30 MHz		260	10 mm	CMOS		2.5 V	Bus Controllers		.5 mm	S-PQFP-G64	4	Not Qualified
UPD720114GA-YEU-AT	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	48	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.46 V				FLATPACK, THIN PROFILE, FINE PITCH		3.14 V	85 Cel		0 Cel		QUAD	1.2 mm	7 mm			30 MHz			7 mm	CMOS		3.3 V			.5 mm	S-PQFP-G48
USB2640-HZH-02	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	48	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V			3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC48,.28SQ,20	3 V	85 Cel	35 MBps	0 Cel	MATTE TIN	QUAD	.9 mm	7 mm			24 MHz			7 mm	CMOS	300 mA	3.3 V	Bus Controllers	I2C; SMBUS; SPI; USB	.5 mm	S-PQCC-N48		Not Qualified		e3
UPD720202K8-701-BAA-A	Renesas Electronics		OTHER	NO LEAD	48	QCCN	SQUARE	PLASTIC/EPOXY	YES				3.3	CHIP CARRIER	LCC48,.28SQ,20		85 Cel		0 Cel	TIN BISMUTH	QUAD							260				3.3 V	Bus Controllers		.5 mm	S-PQCC-N48		Not Qualified		e6
88SE9182A1-NNX2C000	Marvell Technology	BUS CONTROLLER, PCI	OTHER	NO LEAD	56	HVQCCN	SQUARE	UNSPECIFIED	YES	1.1 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.27SQ,16	.95 V	85 Cel	750 MBps	0 Cel		QUAD	.9 mm	7 mm			100 MHz			7 mm	CMOS	900 mA	1 V		PCI; SPI; UART	.4 mm	S-XQCC-N56
PI7C8150BMAE	Diodes Incorporated	BUS CONTROLLER, PCI	OTHER	GULL WING	208	FQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		32	3.3	FLATPACK, FINE PITCH	QFP208,1.2SQ,20	3 V	85 Cel		0 Cel	MATTE TIN	QUAD	3.8 mm	28 mm		32	66 MHz			28 mm	CMOS	510 mA	3.3 V	Bus Controllers		.5 mm	S-PQFP-G208	3	Not Qualified		e3
PI7C9X113SLFDE	Diodes Incorporated	BUS CONTROLLER, PCI	OTHER	GULL WING	128	HLFQFP	SQUARE	PLASTIC/EPOXY	YES	1.15 V		32		FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH		1.05 V	85 Cel	312.5 MBps	0 Cel	MATTE TIN	QUAD	1.6 mm	14 mm		32				14 mm	CMOS		1.1 V		I2C; PCI; SMBUS	.4 mm	S-PQFP-G128			IEEE 1149.1	e3
M66291GP	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	48	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.45 V		6	3.3,3/5	FLATPACK, LOW PROFILE, FINE PITCH	QFP48,.35SQ,20	3.15 V	85 Cel		-20 Cel		QUAD	1.7 mm	7 mm		16	48 MHz			7 mm	CMOS	30 mA	3.3 V	Bus Controllers		.5 mm	S-PQFP-G48		Not Qualified
M66291GP#RB0S	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	48	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.45 V		6		FLATPACK, LOW PROFILE, FINE PITCH		3.15 V	85 Cel		-20 Cel		QUAD	1.7 mm	7 mm		16	48 MHz			7 mm	CMOS		3.3 V			.5 mm	S-PQFP-G48
UPD720114GA-YEU-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	48	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.46 V		0	3.3	FLATPACK, LOW PROFILE, FINE PITCH	TQFP48,.35SQ	3.14 V	85 Cel		0 Cel	TIN BISMUTH	QUAD	1.27 mm	7 mm		0	30 MHz			7 mm	MOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G48		Not Qualified		e6
USB2641-HZH-02	Microchip Technology	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	48	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V			3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC48,.28SQ,20	3 V	85 Cel	35 MBps	0 Cel		QUAD	.9 mm	7 mm			24 MHz			7 mm	CMOS	300 mA	3.3 V	Bus Controllers	I2C; SMBUS; SPI; USB	.5 mm	S-PQCC-N48		Not Qualified
TS2PCIE2212ZAHRG1	Texas Instruments	BUS CONTROLLER, PCI	OTHER	BALL	48	TFBGA	SQUARE	PLASTIC/EPOXY	YES	1.9 V		0		GRID ARRAY, THIN PROFILE, FINE PITCH		1.7 V	85 Cel	2500 MBps	0 Cel	TIN SILVER COPPER	BOTTOM	1.2 mm	5 mm		0		30	260	5 mm	CMOS		1.8 V		PCI	.5 mm	S-PBGA-B48	3	Not Qualified		e1
UPD720114GA-9EU-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	48	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.46 V		0	3.3	FLATPACK, LOW PROFILE, FINE PITCH	TQFP48,.35SQ	3.14 V	85 Cel		0 Cel	TIN BISMUTH	QUAD	1.27 mm	7 mm		0	30 MHz			7 mm	MOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G48		Not Qualified		e6
UPD720115K8-611-BAK-A	Renesas Electronics	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	NO LEAD	40	QCCN	SQUARE	UNSPECIFIED	YES					CHIP CARRIER			85 Cel		0 Cel	TIN BISMUTH	QUAD									CMOS		5 V				S-XQCC-N40				e6
88SE9171A2-NNX2C000	Marvell Technology	BUS CONTROLLER, PCI	OTHER	NO LEAD	56	HVQCCN	SQUARE	UNSPECIFIED	YES	1.21 V		0		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.27SQ,16	.95 V	85 Cel	625 MBps	0 Cel		QUAD	.9 mm	7 mm		0	25 MHz			7 mm	CMOS	600 mA	1 V		ATA; SPI; UART	.4 mm	S-XQCC-N56
88SE9182A2-NNX2C000	Marvell Technology	BUS CONTROLLER, PCI	OTHER	NO LEAD	56	HVQCCN	SQUARE	UNSPECIFIED	YES	1.21 V		0		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.95 V	85 Cel	625 MBps	0 Cel		QUAD	.9 mm	7 mm		0	25 MHz			7 mm	CMOS		1 V		ATA; SPI; UART	.4 mm	S-XQCC-N56
TSB43EB43ZGU	Texas Instruments		OTHER	BALL	144	FBGA	SQUARE	PLASTIC/EPOXY	YES				1.5/3.3	GRID ARRAY, FINE PITCH	BGA144,13X13,32		85 Cel		-20 Cel		BOTTOM												Bus Controllers		.8 mm	S-PBGA-B144		Not Qualified
5962-8751901QA	Texas Instruments		OTHER	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO		38535Q/M;38534H;883B		5	IN-LINE	DIP40,.6		110 Cel		-55 Cel		DUAL									MOS	200 mA	5 V	Bus Controllers		2.54 mm	R-XDIP-T40		Not Qualified
TSB43EC43ZGU	Texas Instruments		OTHER	BALL	144	FBGA	SQUARE	PLASTIC/EPOXY	YES				1.5/3.3	GRID ARRAY, FINE PITCH	BGA144,13X13,32		85 Cel		-20 Cel		BOTTOM												Bus Controllers		.8 mm	S-PBGA-B144		Not Qualified
SMJ9914AFDS	Texas Instruments	BUS CONTROLLER, IEEE 488 (GPIB)	OTHER	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.25 V	38535Q/M;38534H;883B	3	5	CHIP CARRIER	LCC44,.65SQ	4.75 V	110 Cel	.3515625 MBps	-55 Cel		QUAD	3.05 mm	16.51 mm		8		NOT SPECIFIED	NOT SPECIFIED	16.51 mm	CMOS		5 V	Bus Controllers		1.27 mm	S-CQCC-N44		Not Qualified	IEEE 488
TS2PCIE2212ZAHR	Texas Instruments	BUS CONTROLLER, PCI	OTHER	BALL	48	TFBGA	SQUARE	PLASTIC/EPOXY	YES	1.9 V		0		GRID ARRAY, THIN PROFILE, FINE PITCH		1.7 V	85 Cel	2500 MBps	0 Cel	TIN SILVER COPPER	BOTTOM	1.2 mm	5 mm		0		30	260	5 mm	CMOS		1.8 V		PCI	.5 mm	S-PBGA-B48	3	Not Qualified		e1
LC8945(PLCC68)	Onsemi		OTHER	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES				5	CHIP CARRIER	LDCC68,1.0SQ		70 Cel		-30 Cel		QUAD									CMOS		5 V	Bus Controllers		1.27 mm	S-PQCC-J68		Not Qualified
LC8945(QFP48)	Onsemi		OTHER	GULL WING	48	QFP	SQUARE	PLASTIC/EPOXY	YES				5	FLATPACK	QFP48,.79SQ,40		70 Cel		-30 Cel		QUAD									CMOS		5 V	Bus Controllers		1 mm	S-PQFP-G48		Not Qualified
MC141556P	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		0	5	IN-LINE	DIP28,.6	4.5 V	85 Cel	1.5 MBps	0 Cel		DUAL				0	24 MHz				CMOS	100 mA	5 V	Bus Controllers		2.54 mm	R-PDIP-T28		Not Qualified
CBTU0808EE/G	NXP Semiconductors	BUS CONTROLLER, PCI	OTHER	BALL	48	TFBGA	SQUARE	PLASTIC/EPOXY	YES	1.9 V		0		GRID ARRAY, THIN PROFILE, FINE PITCH		1.7 V	85 Cel		0 Cel		BOTTOM	1.15 mm	5 mm		0				5 mm	CMOS		1.8 V			.5 mm	S-PBGA-B48	2	Not Qualified
MC141555P1	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		0		IN-LINE		4.5 V	85 Cel	1.5 MBps	0 Cel	Tin/Lead (Sn/Pb)	DUAL				0	24 MHz				CMOS		5 V				R-PDIP-T28		Not Qualified		e0
CBTU0808EE/G,518	NXP Semiconductors	BUS CONTROLLER, PCI	OTHER	BALL	48	TFBGA	SQUARE	PLASTIC/EPOXY	YES	1.9 V		0		GRID ARRAY, THIN PROFILE, FINE PITCH		1.7 V	85 Cel		0 Cel		BOTTOM	1.15 mm	5 mm		0				5 mm	CMOS		1.8 V			.5 mm	S-PBGA-B48	2	Not Qualified
ISP1520BD,518	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	64	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V				FLATPACK, LOW PROFILE, FINE PITCH		3 V	70 Cel		-40 Cel	MATTE TIN	QUAD	1.6 mm	10 mm			12 MHz			10 mm	CMOS		3.3 V			.5 mm	S-PQFP-G64		Not Qualified		e3
ISP1520BD,551	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	64	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V			3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP64,.47SQ,20	3 V	70 Cel		-40 Cel	Matte Tin (Sn)	QUAD	1.6 mm	10 mm			12 MHz			10 mm	CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G64		Not Qualified		e3
ISP1521BE	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	80	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V			3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP80,.55SQ,20	3 V	70 Cel		-40 Cel	TIN	QUAD	1.6 mm	12 mm	ALSO REQUIRES 5V SUPPLY		12 MHz		260	12 mm	CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G80	2	Not Qualified		e3
ISP1521BE,518	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	80	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V				FLATPACK, LOW PROFILE, FINE PITCH		3 V	70 Cel		-40 Cel	MATTE TIN	QUAD	1.6 mm	12 mm	ALSO REQUIRES 5V SUPPLY		12 MHz			12 mm	CMOS		3.3 V			.5 mm	S-PQFP-G80		Not Qualified		e3
ISP1520BD	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	64	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V			3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP64,.47SQ,20	3 V	70 Cel		-40 Cel	Tin (Sn)	QUAD	1.6 mm	10 mm			12 MHz	40	260	10 mm	CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G64		Not Qualified		e3
ISP1521BE,557	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	80	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V			3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP80,.55SQ,20	3 V	70 Cel		-40 Cel	MATTE TIN	QUAD	1.6 mm	12 mm	ALSO REQUIRES 5V SUPPLY		12 MHz		260	12 mm	CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G80	2	Not Qualified		e3
ISP1520BD,557	NXP Semiconductors	BUS CONTROLLER, UNIVERSAL SERIAL BUS	OTHER	GULL WING	64	LFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V			3.3	FLATPACK, LOW PROFILE, FINE PITCH	QFP64,.47SQ,20	3 V	70 Cel		-40 Cel	Tin (Sn)	QUAD	1.6 mm	10 mm			12 MHz		260	10 mm	CMOS		3.3 V	Bus Controllers		.5 mm	S-PQFP-G64	1	Not Qualified		e3

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.