Datasheet > SN74AXC8T245-Q1_V02

SN74AXC8T245-Q1_V02

更新时间： 2024-11-06 02:51:31

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德州仪器 - TI		/
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SN74AXC8T245-Q1 Automotive 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and Tri-State Outputs

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SN74AXC8T245-Q1

SCES892B – NOVEMBER 2018 – REVISED MAY 2021

SN74AXC8T245-Q1 Automotive 8-Bit Dual-Supply Bus Transceiver With Configurable

Voltage Translation and Tri-State Outputs

The SN74AXC8T245-Q1 device is designed for

asynchronous communication between data buses.

1 Features

•

AEC-Q100 qualified for automotive applications

Qualified fully configurable dual-rail design allows

each port to operate with a power supply range

from 0.65 V to 3.6 V

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

Multiple direction-control pins to allow

simultaneous up and down translation

Up to 380 Mbps support when translating from 1.8

V to 3.3 V

V_CCisolation feature to effectively Isolate both

bses in a power-down scenario

Partial power-down mode to limit backflow current

in a power-down scenario

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 inputs (DIR1 and DIR2).

The output-enable (OE) input is used to disable the

outputs so the buses are effectively isolated.

•

The SN74AXC8T245-Q1 device is designed so the

control pins (DIR and OE) are referenced to V_CCA

•

This device is fully specified for partial-power-down

applications using I_off. The I_offcircuitry disables

the outputs when the device is powered down.

This inhibits current backflow into the device which

prevents damage to the device.

•

Compatible with SN74AVC8T245-Q1 level shifter

Latch-up performance exceeds 100 mA per JESD

78, class II

The V_CCisolation feature ensures that if either V_CC

input supply is below 100 mV, all level shifter outputs

are disabled and placed into a high-impedance state.

2 Applications

To ensure the high-impedance state of the level shifter

I/Os during power up or power down, OE should be

tied to V_CCAthrough a pullup resistor; the minimum

value of the resistor is determined by the current-

sinking capability of the driver.

•

Infotainment head unit

ADAS fusion

ADAS front camera

HEV battery management system

Device Information

3 Description

PART NUMBER⁽¹⁾

PACKAGE

BODY SIZE (NOM)

4.40 mm × 7.80 mm

3.50 mm × 5.50 mm

The SN74AXC8T245-Q1 AEC-Q100 qualified device

is an 8-bit non-inverting bus transceiver that resolves

voltage level mismatch between devices operating at

the latest voltage nodes (0.7 V, 0.8 V, and 0.9 V) and

devices operating at industry standard voltage nodes

(1.8 V, 2.5 V, and 3.3 V) and vice versa.

SN74AXC8T245QPWRQ1 TSSOP (24)

SN74AXC8T245QRHLQ1 VQFN (24)

SN74AXC8T245QRGYQ1 VQFN (24)

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

the end of the data sheet.

The device operates by using two independent power-

supply rails (V_CCAand V_CCB) that operate as low as

0.65 V. Data pins A1 through A8 are designed to track

V_CCA, which accepts any supply voltage from 0.65 V

to 3.6 V. Data pins B1 through B8 are designed to

track V_CCB, which accepts any supply voltage from

0.65 V to 3.6 V.

3.3 V

1.5 V

Processor

V_CCADIR1 DIR2

V_CCB

Power Management

Control Block

SN74AXC8T245-Q1

Data Block

Interrupts

Sensor Block

GND

Typical Application Schematic

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...37

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与SN74AXC8T245-Q1_V02相关器件

型号	品牌	获取价格	描述	数据表
SN74AXC8T245-Q1_V03	TI	获取价格	SN74AXC8T245-Q1 Automotive 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Tra
SN74AXC8T245QPWRQ1	TI	获取价格	具有可配置电压转换和三态输出的汽车类 8 位双电源总线收发器 \| PW \| 24 \| -4
SN74AXC8T245QRGYQ1	TI	获取价格	SN74AXC8T245-Q1 Automotive 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Tra
SN74AXC8T245RHL-Q1	TI	获取价格	SN74AXC8T245-Q1 Automotive 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Tra
SN74AXC8T245RHLR	TI	获取价格	8 位双电源总线收发器 \| RHL \| 24 \| -40 to 125
SN74AXC8T245RJWR	TI	获取价格	8 位双电源总线收发器 \| RJW \| 24 \| -40 to 125
SN74AXC8T245WRGY-Q1	TI	获取价格	SN74AXC8T245-Q1 Automotive 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Tra
SN74AXCH1T45	TI	获取价格	单位双电源总线收发器
SN74AXCH1T45DBVR	TI	获取价格	单位双电源总线收发器 \| DBV \| 6 \| -40 to 125
SN74AXCH1T45DCKR	TI	获取价格	单位双电源总线收发器 \| DCK \| 6 \| -40 to 125

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