SN74AVC16T245-Q1 - 具有可配置电压转换的汽车类 16 位双电源总线收发器

SN74AVC16T245-Q1是TI德州仪器公司的一款方向控制电压转换产品，SN74AVC16T245-Q1是具有可配置电压转换的汽车类 16 位双电源总线收发器，本站介绍了SN74AVC16T245-Q1的封装应用图解、特点和优点、功能等，并给出了与SN74AVC16T245-Q1相关的TI元器件型号供参考。

SN74AVC16T245-Q1 - 具有可配置电压转换的汽车类 16 位双电源总线收发器 - 方向控制电压转换 - 电压电平转换 - 德州仪器

产品描述

产品特性

Qualified for Automotive Applications
Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage
VCC Isolation Feature – 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
Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.2-V to 3.6-V Power-Supply Range
Ioff Supports Partial-Power-Down Mode Operation
I/Os Are 4.6-V Tolerant
Max Data Rates
- 380 Mbps (1.8-V to 3.3-V Translation)
- 200 Mbps (<1.8-V to 3.3-V Translation)
- 200 Mbps (Translate to 2.5 V or 1.8 V)
- 150 Mbps (Translate to 1.5 V)
- 100 Mbps (Translate to 1.2 V)
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 8000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This 16-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74AVC16T245 is optimized to operate with VCCA/VCCB set at 1.4 V to 3.6 V. It is operational with VCCA/VCCB as low as 1.2 V. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVC16T245 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 effectively are isolated.

The SN74AVC16T245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA.

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.

The VCC isolation feature ensures that if either VCC input is at GND, both ports are in the high-impedance state.

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

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