40 Bus Controllers 3

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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

TUSB2140BN

Texas Instruments

BUS CONTROLLER, UNIVERSAL SERIAL BUS

COMMERCIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

3.6 V

3.3,5

IN-LINE

DIP40,.6

3 V

70 Cel

0 Cel

DUAL

5.08 mm

15.24 mm

IT ALSO REQUIRES 5V SUPPLY

48 MHz

NOT SPECIFIED

NOT SPECIFIED

52.455 mm

CMOS

100 mA

3.3 V

Bus Controllers

I2C

2.54 mm

R-PDIP-T40

Not Qualified

UPD720115K8-711-BAK-A

Renesas Electronics

BUS CONTROLLER, UNIVERSAL SERIAL BUS

INDUSTRIAL

NO LEAD

40

QCCN

SQUARE

UNSPECIFIED

YES

CHIP CARRIER

85 Cel

-40 Cel

TIN BISMUTH

QUAD

CMOS

5 V

S-XQCC-N40

e6

PI3USB31532ZLEX

Diodes Incorporated

BUS CONTROLLER, UNIVERSAL SERIAL BUS

INDUSTRIAL

NO LEAD

40

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

3 V

85 Cel

1250 MBps

-40 Cel

QUAD

CMOS

3.3 V

USB

R-PQCC-N40

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.