Datasheet > SN74AXC2T45-Q1_V01

SN74AXC2T45-Q1_V01

更新时间： 2024-11-20 02:51:35

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
30页	1471K
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SN74AXC2T45-Q1 2-Bit Translating Transceiver with Configurable Level-Shifting

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SN74AXC2T45-Q1

SCES928A – APRIL 2021 – REVISED SEPTEMBER 2021

SN74AXC2T45-Q1 2-Bit Translating Transceiver with Configurable Level-Shifting

The SN74AXC2T45-Q1 device is designed for

asynchronous communication between data buses.

1 Features

•

AEC-Q100 automotive qualified

Fully configurable dual-rail design allows each port

to operate with a power supply range from 0.65 V

to 3.6 V

The device 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 input (DIR). The

SN74AXC2T45-Q1 device is designed so the control

•

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

Glitch-free power supply sequencing

Up to 380 Mbps support when translating from 1.8

V to 3.3 V

pin (DIR) is referenced to V_CCA.

This device is fully specified for partial-power-down

applications using the I_offcurrent. The I_offprotection

circuitry ensures that no excessive current is drawn

from or to an input, output, or combined I/O that

is biased to a specific voltage while the device is

powered down.

•

V_CCisolation feature

– If either V_CCinput is below 100 mV, all

I/Os outputs are disabled and become high-

impedance

The V_CCisolation feature ensures that if either V_CCA

or V_CCBis less than 100 mV, both I/O ports enter a

high-impedance state by disabling their outputs.

•

I_offsupports 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

Glitch-free power supply sequencing allows either

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

providing robust power sequencing performance.

•

– 1000-V charged-device model

Device Information⁽¹⁾

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

SN74AXC2T45DCU

VSSOP (8)

2.30 mm × 2.00 mm

•

Enterprise and communications

Industrial

Personal electronics

Wireless infrastructure

Building automation

Point-of-sale

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

V_CCA

V_CCB

DIR

3 Description

The SN74AXC2T45-Q1 is a two-bit noninverting bus

transceiver that uses two individually configurable

power-supply rails. The device is operational with both

V_CCAand V_CCBsupplies as low as 0.65 V. The A port

is designed to track V_CCA, which accepts any supply

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

to track V_CCB, which also accepts any supply voltage

from 0.65 V to 3.6 V. Additionally the SN74AXC2T45-

Q1 is compatible with a single-supply system.

Functional Block Diagram

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...30

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SN74AXC2T45QDCURQ1	TI	获取价格	SN74AXC2T45-Q1 2-Bit Translating Transceiver with Configurable Level-Shifting
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SN74AXC4T245BQBR	TI	获取价格	SN74AXC4T245 Four-Bit Bus Transceiver with Configurable Voltage Translation and Tri-State
SN74AXC4T245PW-Q1	TI	获取价格	SN74AXC4T245-Q1 Automotive 4-Bit Dual-Supply Bus Transceiver With Configurable Voltage Tra
SN74AXC4T245PWR	TI	获取价格	4 位双电源总线收发器 \| PW \| 16 \| -40 to 125
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