68 Bus Controllers 22

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Part RoHS 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 No. of Bits DAC Channels Bit Size Power Supplies (V) Package Style (Meter) Package Equivalence Code Minimum Supply Voltage Maximum Operating Temperature CPU Family Maximum Data Transfer Rate Minimum Operating Temperature Terminal Finish ADC Channels Terminal Position DMA Channels Maximum Seated Height ROM Words Width Data EEPROM Size Additional Features Peripherals External Data Bus Width Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length RAM Bytes Technology Maximum Supply Current Nominal Supply Voltage PWM Channels Sub-Category Connectivity ROM Programmability Bus Compatibility Terminal Pitch JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Speed Drive Interface Standard JESD-609 Code On Chip Program ROM Width No. of I/O Lines

FT4232HPQ-TRAY

FTDI

BUS CONTROLLER, UNIVERSAL SERIAL BUS

NO LEAD

68

HVQCCN

SQUARE

YES

1.32 V

CHIP CARRIER, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

LCC68,.32SQ,16

1.08 V

85 Cel

60 MBps

-40 Cel

QUAD

.9 mm

8 mm

8 mm

CMOS

1.2 V

I2C; UART; USB

.4 mm

S-XQCC-N68

3

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

FT2232HPQ-TRAY

FTDI

BUS CONTROLLER, UNIVERSAL SERIAL BUS

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.32 V

16

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC68,.32SQ,16

1.08 V

85 Cel

1.5 MBps

-40 Cel

QUAD

.9 mm

8 mm

8

12 MHz

8 mm

CMOS

1.2 V

I2C, UART

.4 mm

S-XQCC-N68

RS232; RS422; RS485

UPD720201K8-711-BAC-A

Renesas Electronics

INDUSTRIAL

NO LEAD

68

QCCN

SQUARE

PLASTIC/EPOXY

YES

3.3

CHIP CARRIER

LCC68,.32SQ,16

85 Cel

-40 Cel

TIN BISMUTH

QUAD

3.3 V

Bus Controllers

.4 mm

S-PQCC-N68

Not Qualified

e6

AX88179QF

Asix Electronics

BUS CONTROLLER, UNIVERSAL SERIAL BUS

COMMERCIAL

NO LEAD

68

QCCN

SQUARE

UNSPECIFIED

YES

CHIP CARRIER

70 Cel

0 Cel

QUAD

SINGLE 25MHZ CLOCK AND IEEE 802.3AZ;802.3X AND IEEE 802.1Q;802.1P INTERFACE STANDARDS AVAILABLE

NOT SPECIFIED

NOT SPECIFIED

CMOS

USB

S-XQCC-N68

IEEE 802.3; IEEE 802.3U; IEEE

CYUSB3304-68LTXC

Infineon Technologies

BUS CONTROLLER, UNIVERSAL SERIAL BUS

COMMERCIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.26 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.14 V

70 Cel

0 Cel

PURE TIN

QUAD

1 mm

8 mm

26 MHz

8 mm

CMOS

1.2 V

I2C

.4 mm

S-XQCC-N68

3

FT2232HPQ-REEL

FTDI

BUS CONTROLLER, UNIVERSAL SERIAL BUS

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.32 V

16

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC68,.32SQ,16

1.08 V

85 Cel

1.5 MBps

-40 Cel

QUAD

.9 mm

8 mm

8

12 MHz

8 mm

CMOS

1.2 V

I2C, UART

.4 mm

S-XQCC-N68

RS232; RS422; RS485

CYUSB3610-68LTXC

Infineon Technologies

BUS CONTROLLER, UNIVERSAL SERIAL BUS

COMMERCIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.26 V

0

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.14 V

70 Cel

1000 MBps

0 Cel

QUAD

.9 mm

8 mm

IEEE 802.1P; IEEE 802.1Q; IEEE 802.3; IEEE 802.3AB; IEEE 802.3U

0

25 MHz

8 mm

CMOS

1.2 V

USB

.4 mm

S-XQCC-N68

IEEE 802.3AZ

AX99100QF

Asix Electronics

BUS CONTROLLER, PCI

COMMERCIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

3.63 V

16

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

2.97 V

70 Cel

0 Cel

QUAD

.9 mm

8 mm

16

NOT SPECIFIED

NOT SPECIFIED

8 mm

CMOS

3.3 V

I2C, ISA, PCI, SPI, UART

.4 mm

S-XQCC-N68

IEEE 1284

AX99100QI

Asix Electronics

BUS CONTROLLER, PCI

INDUSTRIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

3.63 V

16

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

2.97 V

85 Cel

-40 Cel

QUAD

.9 mm

8 mm

16

NOT SPECIFIED

NOT SPECIFIED

8 mm

CMOS

3.3 V

I2C, ISA, PCI, SPI, UART

.4 mm

S-XQCC-N68

IEEE 1284

CYUSB3304-68LTXI

Infineon Technologies

BUS CONTROLLER, UNIVERSAL SERIAL BUS

INDUSTRIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.26 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.14 V

85 Cel

-40 Cel

PURE TIN

QUAD

1 mm

8 mm

26 MHz

30

260

8 mm

CMOS

1.2 V

I2C

.4 mm

S-XQCC-N68

3

CYUSB2304-68LTXI

Infineon Technologies

BUS CONTROLLER, UNIVERSAL SERIAL BUS

INDUSTRIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.26 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.14 V

85 Cel

-40 Cel

PURE TIN

QUAD

1 mm

8 mm

8 mm

CMOS

1.2 V

I2C

.4 mm

S-XQCC-N68

3

SN75C091AFNR

Texas Instruments

BUS CONTROLLER, SCSI

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.25 V

5

CHIP CARRIER

4.75 V

70 Cel

5 MBps

0 Cel

QUAD

4.57 mm

24.2316 mm

8

20 MHz

24.2316 mm

CMOS

5 V

1.27 mm

S-PQCC-J68

Not Qualified

X3.131

SN75C091AFN

Texas Instruments

BUS CONTROLLER, SCSI

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.25 V

5

5

CHIP CARRIER

LDCC68,1.0SQ

4.75 V

70 Cel

5 MBps

0 Cel

QUAD

4.57 mm

24.2316 mm

8

20 MHz

NOT SPECIFIED

NOT SPECIFIED

24.2316 mm

CMOS

30 mA

5 V

Bus Controllers

1.27 mm

S-PQCC-J68

Not Qualified

X3.131

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

SAB82220N

Infineon Technologies

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5

CHIP CARRIER

LDCC68,1.0SQ

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

QUAD

CMOS

130 mA

5 V

Bus Controllers

1.27 mm

S-PQCC-J68

Not Qualified

e0

CYUSB3302-68LTXC

Infineon Technologies

BUS CONTROLLER, UNIVERSAL SERIAL BUS

COMMERCIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.26 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.14 V

70 Cel

0 Cel

PURE TIN

QUAD

1 mm

8 mm

26 MHz

8 mm

CMOS

1.2 V

I2C

.4 mm

S-XQCC-N68

3

CYUSB3302-68LTXI

Infineon Technologies

BUS CONTROLLER, UNIVERSAL SERIAL BUS

INDUSTRIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.26 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.14 V

85 Cel

-40 Cel

PURE TIN

QUAD

1 mm

8 mm

26 MHz

8 mm

CMOS

1.2 V

I2C

.4 mm

S-XQCC-N68

3

CYUSB2302-68LTXI

Infineon Technologies

BUS CONTROLLER, UNIVERSAL SERIAL BUS

INDUSTRIAL

NO LEAD

68

HVQCCN

SQUARE

UNSPECIFIED

YES

1.26 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.14 V

85 Cel

-40 Cel

QUAD

1 mm

8 mm

NOT SPECIFIED

NOT SPECIFIED

8 mm

CMOS

1.2 V

I2C

.4 mm

S-XQCC-N68

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

L-ET1301FER1B2-M-DT

Broadcom

BUS CONTROLLER, PCI

COMMERCIAL

NO LEAD

68

HQCCN

SQUARE

PLASTIC/EPOXY

YES

2.62 V

0

CHIP CARRIER, HEAT SINK/SLUG

2.38 V

70 Cel

100 MBps

0 Cel

MATTE TIN OVER NICKEL

QUAD

10 mm

0

25 MHz

40

260

10 mm

CMOS

2.5 V

.5 mm

S-PQCC-N68

Not Qualified

e3

L-ET1301FER1B2-M-D

Broadcom

BUS CONTROLLER, PCI

COMMERCIAL

NO LEAD

68

HQCCN

SQUARE

PLASTIC/EPOXY

YES

2.62 V

0

CHIP CARRIER, HEAT SINK/SLUG

2.38 V

70 Cel

100 MBps

0 Cel

MATTE TIN

QUAD

10 mm

0

25 MHz

40

260

10 mm

CMOS

2.5 V

.5 mm

S-PQCC-N68

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.