Datasheet > SN74LXC1T45DBVR

SN74LXC1T45DBVR

更新时间： 2024-11-03 02:50:19

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德州仪器 - TI		/
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描述
SN74LXC1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Level Shifting

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SN74LXC1T45DBVR 数据手册

SN74LXC1T45

SCES934A – SEPTEMBER 2021 – REVISED DECEMBER 2021

SN74LXC1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Level

Shifting

1 Features

3 Description

•

Fully configurable dual-rail design allows each port

to operate from 1.1 V to 5.5 V

The SN74LXC1T45 is

1-bit, dual-supply

noninverting bidirectional voltage level translation

device. The I/O pin A and control pin (DIR) are

referenced to V_CCAlogic levels, and the I/O pin B are

referenced to V_CCBlogic levels. The A pin is able to

accept I/O voltages ranging from 1.1 V to 5.5 V, while

the B pin 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.

•

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

•

– 3-µA maximum (25°C)

Device Information ⁽¹⁾

– 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 and OE) are referenced to V_CCA

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

Latch-up performance exceeds 100 mA per JESD

78, class II

PART NUMBER

SN74LXC1T45DRL

SN74LXC1T45DRY

SN74LXC1T45DBV

SN74LXC1T45DCK

SN74LXC1T45DTQ

PACKAGE

BODY SIZE (NOM)

1.60 mm × 1.20 mm

1.45 mm × 1.00 mm

2.90 mm × 1.60 mm

2.00 mm × 1.25 mm

1.00 mm × 0.80 mm

•

SOT (6)

SON (6)

SOT-23 (6)

SC70 (6)

X2SON (6)

•

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

the end of the data sheet.

V_CCA

V_CCB

•

ESD protection exceeds JESD 22

– 4000-V human-body model

– 1000-V charged-device model

DIR

2 Applications

•

Eliminate slow or noisy input signals

Driving indicator LEDs or buzzers

Debouncing a mechanical switch

General purpose I/O level shifting

SN74LXC1T45 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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与SN74LXC1T45DBVR相关器件

型号	品牌	获取价格	描述	数据表
SN74LXC1T45DCK	TI	获取价格	SN74LXC1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Level Shifting
SN74LXC1T45DCKR	TI	获取价格	具有可配置电压电平转换和三态输出的 single-bit 双电源总线收发器 \| DCK \|
SN74LXC1T45DRL	TI	获取价格	SN74LXC1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Level Shifting
SN74LXC1T45DRY	TI	获取价格	SN74LXC1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Level Shifting
SN74LXC1T45DRYR	TI	获取价格	具有可配置电压电平转换和三态输出的 single-bit 双电源总线收发器 \| DRY \|
SN74LXC1T45DTQ	TI	获取价格	SN74LXC1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Level Shifting
SN74LXC1T45DTQR	TI	获取价格	具有可配置电压电平转换和三态输出的 single-bit 双电源总线收发器 \| DTQ \|
SN74LXC1T45-Q1	TI	获取价格	具有可配置电压电平转换的汽车类 single-bit 双电源总线收发器
SN74LXC1T45QDCKRQ1	TI	获取价格	具有可配置电压电平转换的汽车类 single-bit 双电源总线收发器 \| DCK \| 6
SN74LXC1T45QDRYRQ1	TI	获取价格	具有可配置电压电平转换的汽车类 single-bit 双电源总线收发器 \| DRY \| 6

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