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SN74AXCH4T245PWR TI Chips SN74AXCH4T245 Four bit bus transceiver with configurable voltage translation

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SN74AXCH4T245PWR TI Chips SN74AXCH4T245 Four bit bus transceiver with configurable voltage translation

Brand Name:	TI Chips
Model Number:	SN74AXCH4T245PWR
MOQ:	2000
Packaging Details:	2000PCS/reel
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

China

Document:

Model:

SN74AXCH4T245PWR

Product Name:

TI Chips

Type:

SMD/SMT

Propagation Delay Time:

181 Ns

Encapsulation:

Operating Power Supply Current:

40 UA

Supply Ability:

1000000

Highlight:

SN74AXCH4T245PWR

SN74AXCH4T245 TI Chips

Four Bit Bus Transceiver

Product Description

TI Chips SN74AXCH4T245PWR SN74AXCH4T245 Four-bit bus transceiver with configurable voltage translation

Features

• Fully configurable dual-rail design allows each

port to operate with a power supply range from

0.65 V to 3.6 V

• Bus-hold on data inputs eliminates the need for

external pullup or pulldown resistors

• Operating temperature from –40°C to +125°C

• Multiple direction control pins to allow

simultaneous up and down translation

• Glitch-free power supply sequencing

• Up to 380 Mbps support when translating from 1.8

V to 3.3 V

• VCC isolation feature

• Ioff supports partial-power-down mode operation

• Compatible with AVC family level shifters

• Latch-up performance exceeds 100 mA per JESD

78, Class II

• ESD protection exceeds JESD 22

– 8000-V Human-body model

– 1000-V Charged-device model

Applications

• Enterprise and communications

• Industrial

• Personal electronics

• Wireless infrastructure

• Building automation

Description

The SN74AXCH4T245 is a four-bit noninverting bus

transceiver that uses two individually configurable

power-supply rails. The device is operational with

both VCCA and VCCB supplies as low as 0.65 V. The A

port is designed to track VCCA, which accepts any

supply voltage from 0.65 V to 3.6 V. The B port is

designed to track VCCB, which accepts any supply

voltage from 0.65 V to 3.6 V. The SN74AXCH4T245

device is compatible with a single-supply system.

The SN74AXCH4T245 device is designed for

asynchronous communication between data buses

and transmits data from the A bus to the B bus or

from the B bus to the A bus, depending on the logic

level of the direction-control inputs (1DIR and 2DIR).

The output-enable inputs (1OE and 2OE) are used to

disable the outputs so the buses are effectively

isolated. All control pins (xDIR and xOE) are

referenced to VCCA.

Active bus-hold circuitry holds unused or undriven

inputs at a valid logic state. Use of pullup or pulldown

resistors with the bus-hold circuitry is not

recommended. If a supply is present for VCCA or

VCCB, the bus-hold circuitry always remains active on

the A or B inputs respectively, independent of the

state of the direction control or output enable pins.

To ensure the high-impedance state of the level

shifter I/Os during power up or power down, the xOE

pins should be tied to VCCA through a pullup resistor.

This device is fully specified for partial-power-down

applications using the Ioff current. The Ioff protection

circuitry ensures that no excessive current is drawn

from or sourced into an input, output, or combined I/O

that is biased to a specific voltage while the device is

powered down.

The VCC isolation feature ensures that if either VCCA

or VCCB is less than 100 mV, all I/O ports enter a

high-impedance state by disabling the outputs.

Glitch-free power supply sequencing allows either

supply rail to be powered on or off in any order while

providing robust power sequencing performance.

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products details

SN74AXCH4T245PWR TI Chips SN74AXCH4T245 Four bit bus transceiver with configurable voltage translation

OSRAM LED Chip

CREE LED Chip

ST IC Chips

TI Chips

Bridgelux LED Chip

Infineon Chip

LUMINUS LED Chip

LED Lamp Beads

SAMSUNG IC Chips

Micron Chips

SK Hynix Chips

Lumileds LED Chip

SAMSUNG LED Chip

SEOUL LED Chip

NICHIA LED Chip

NeXperia Chips

ONsemi Chips

ADI Chips

TSLC Semileds LED Lamp Beads

High Power LED Chip

OSRAM LED Chip

CREE LED Chip

ST IC Chips

TI Chips

Bridgelux LED Chip

Infineon Chip

LUMINUS LED Chip

LED Lamp Beads

SAMSUNG IC Chips

Micron Chips

SK Hynix Chips

Lumileds LED Chip

SAMSUNG LED Chip

SEOUL LED Chip

NICHIA LED Chip

NeXperia Chips

ONsemi Chips

ADI Chips