SN74AVC4T234 - 具有可配置电压转换的 4 位双电源总线收发器

SN74AVC4T234是TI德州仪器公司的一款单向电压转换产品，SN74AVC4T234是具有可配置电压转换的 4 位双电源总线收发器，本站介绍了SN74AVC4T234的封装应用图解、特点和优点、功能等，并给出了与SN74AVC4T234相关的TI元器件型号供参考。

SN74AVC4T234 - 具有可配置电压转换的 4 位双电源总线收发器 - 单向电压转换 - 电压电平转换 - 德州仪器

产品描述

This 4-bit noninverting bus transceiver uses two separate configurable power-supply rails to enable asynchronous communication between B-port inputs and A-port outputs. The A port is designed to track VCCA while the B port is designed to track VCCB. Both VCCA and VCCB are configurable from 0.9 V to 3.6 V.

The SN74AVC4T234 solution offers the industry's low-power needs in battery-powered portable applications by ensuring both a very low static and dynamic power consumption across the entire VCC range of 0.9 V to 3.6 V, resulting in an increased battery life. This product also maintains excellent signal integrity.

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, then A-side ports are in the high-impedance state.

产品特性

Wide Operating VCC Range of 0.9 V to 3.6 V
3.6-V I/O Tolerant to Support Mixed-Mode Signal Operation
Max tpd of 3.7 ns at 3.3 V
Balanced propagation delays: tPLH = tPHL
Low Static-Power Consumption, 5-µA Max ICC
Input-Disable Feature Allows Floating Input Conditions
±3-mA Output Drive at 1.8 V
26Ω series resistor on A-side outputs
Ioff Supports Partial Power-Down-Mode Operation
Input Hysteresis Allows Slow Input Transition and Better Switching Noise Immunity at Input
Maximum 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
- 2000-V Human-Body Model (A114-A)
- 500-V Charged-Device Model (C101)

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