Datasheet > SN74LXC2T45DTT

SN74LXC2T45DTT

更新时间： 2024-09-16 02:50:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
32页	1699K
描述
SN74LXC2T45 Dual-Bit Dual-Supply Bus Transceiver with Configurable Level Shifting

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SN74LXC2T45DTT 数据手册

SN74LXC2T45

SCES938A – OCTOBER 2021 – REVISED OCTOBER 2021

SN74LXC2T45 Dual-Bit Dual-Supply Bus Transceiver with Configurable Level Shifting

1 Features

2 Applications

•

Fully configurable dual-rail design allows each port

to operate from 1.1 V to 5.5 V

•

Eliminate slow or noisy input signals

Driving indicator LEDs or Buzzers

Debouncing a mechanical switch

Infotainment head unit

•

Robust, glitch-free power supply sequencing

Up to 420-Mbps support for 3.3 V to 5.0 V

Schmitt-trigger inputs allow for slow or noisy inputs

I/O's with integrated dynamic pull-down resistors

help reduce external component count

Control inputs with integrated static pull-down

resistors allow for floating control inputs

High drive strength (up to 32 mA at 5 V)

Low power consumption

ADAS fusion

3 Description

•

The SN74LXC2T45 is

dual-bit, dual-supply

noninverting bidirectional voltage level translation

device. Ax pins and control pin (DIR) are referenced

to V_CCAlogic levels, and Bx pins are referenced to

V_CCBlogic levels. The A port is able to accept I/O

voltages ranging from 1.1 V to 5.5 V, while the B port

can accept I/O voltages from 1.1 V to 5.5 V. A high

on DIR allows data transmission from A to B and a

low on DIR allows data transmission from B to A.

See Device Functional Modes for a summary of the

operation of the control logic.

•

– 3-µA maximum (25°C)

– 6-µA maximum (–40°C to 125°C)

V_CCisolation and V_CCdisconnect (I_off-float) feature

– If either V_CCsupply is < 100 mV or

disconnected, all I/O's get pulled-down and

then become high-impedance

I_offsupports partial-power-down mode operation

Compatible with LVC family level shifters

Control logic (DIR) are referenced to V_CCA

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

Latch-up performance exceeds 100 mA per JESD

78, class II

•

Device Information

PART NUMBER

SN74LXC2T45DCT

SN74LXC2T45DCU

SN74LXC2T45DTT⁽²⁾

SN74LXC2T45DTM⁽²⁾

PACKAGE⁽¹⁾

BODY SIZE (NOM)

2.95 mm × 2.80 mm

2.30 mm × 2.00 mm

1.95 mm × 1.00 mm

1.35 mm × 0.80 mm

SM8 (8)

VSSOP (8)

SON (8)

•

ESD protection exceeds JESD 22

– 4000-V human-body model

X2SON (8)

– 1000-V charged-device model

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

the end of the data sheet.

(2) Package preview

V_CCA

V_CCB

DIR

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...32

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与SN74LXC2T45DTT相关器件

型号	品牌	获取价格	描述	数据表
SN74LXC2T45DTTR	TI	获取价格	2-bit dual supply transceiver with configurable voltage-level shifting and 3-state outputs
SN74LXC2T45-Q1	TI	获取价格	具有可配置电压电平且符合汽车标准的 2 位双电源收发器
SN74LXC2T45QDCURQ1	TI	获取价格	具有可配置电压电平且符合汽车标准的 2 位双电源收发器 \| DCU \| 8 \| -40 t
SN74LXC2T45QDTTRQ1	TI	获取价格	具有可配置电压电平且符合汽车标准的 2 位双电源收发器 \| DTT \| 8 \| -40 t
SN74LXC8T245	TI	获取价格	SN74LXC8T245 8-bit Dual-Supply Bus Transceiver with Configurable Level Shifting and 3-Stat
SN74LXC8T245DGSR	TI	获取价格	具有可配置电压电平转换和三态输出的 8 位双电源总线收发器 \| DGS \| 24 \| -4
SN74LXC8T245PW	TI	获取价格	SN74LXC8T245 8-bit Dual-Supply Bus Transceiver with Configurable Level Shifting and 3-Stat
SN74LXC8T245PW-Q1	TI	获取价格	SN74LXC8T245-Q1 Automotive 8-bit Dual-Supply Bus Transceiver with Configurable Level Shift
SN74LXC8T245PWR	TI	获取价格	SN74LXC8T245 8-bit Dual-Supply Bus Transceiver with Configurable Level Shifting and 3-Stat
SN74LXC8T245-Q1	TI	获取价格	SN74LXC8T245 8-bit Dual-Supply Bus Transceiver with Configurable Level Shifting and 3-Stat

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