SN74AVCB164245-Q1 - 具有可配置电压转换和三态输出的汽车类 16 位双电源总线收发器

SN74AVCB164245-Q1是TI德州仪器公司的一款应用特定电压转换产品，SN74AVCB164245-Q1是具有可配置电压转换和三态输出的汽车类 16 位双电源总线收发器，本站介绍了SN74AVCB164245-Q1的封装应用图解、特点和优点、功能等，并给出了与SN74AVCB164245-Q1相关的TI元器件型号供参考。

SN74AVCB164245-Q1 - 具有可配置电压转换和三态输出的汽车类 16 位双电源总线收发器 - 应用特定电压转换 - 电压电平转换 - 德州仪器

产品描述

This 16-bit (dual-octal) noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.4 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.4 V to 3.6 V. This allows for universal low-voltage bidirectional translation between any of the 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVCB164245 is designed for asynchronous communication between data buses. 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 at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the outputs so the buses are effectively isolated.

The SN74AVCB164245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCB.

To ensure the high-impedance state during power up or power down, OE should be tied to VCCB through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. If either VCC input is at GND, both ports are in the high-impedance state.

产品特性

Qualified for Automotive Applications
Member of the Texas Instruments Widebus™ Family
DOC™ Circuitry Dynamically Changes Output Impedance, Resulting in Noise Reduction Without Speed Degradation
Dynamic Drive Capability Is Equivalent to Standard Outputs With IOH and IOL of ±24 mA at 2.5-V VCC
Control Inputs VIH/VIL Levels Are Referenced to VCCB Voltage
If Either VCC Input Is at GND, Both Ports Are in the High-Impedance State
Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications
Ioff Supports Partial-Power-Down Mode Operation
Fully Configurable Dual-Rail Design Allows Each Port to Operate Over Full 1.4-V to 3.6-V Power-Supply Range
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 750-V Charged-Device Model (C101)

Widebus is a trademark of Texas Instruments. DOC is a trademark of Texas Instruments

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