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電壓轉換器及電平移位器
方向控制電壓轉換器
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邏輯和電壓轉換
電壓轉換器及電平移位器
方向控制電壓轉換器

SN74AXC2T245-Q1

現行

具獨立 DIR 控制、3 態輸出的車用雙位元雙電源電壓位準轉換

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產品規格表

SN74AXC2T245-Q1

現行
產品規格表 立即訂購

產品詳細資料

Technology family AXC Applications JTAG, UART Bits (#) 2 High input voltage (min) (V) 0.45 High input voltage (max) (V) 3.6 Vout (min) (V) 0.65 Vout (max) (V) 3.6 Data rate (max) (Mbps) 380 IOH (max) (mA) -12 IOL (max) (mA) 12 Supply current (max) (µA) 23 Features Output enable, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc isolation Input type CMOS Output type 3-State Rating Automotive Operating temperature range (°C) -40 to 125
Technology family AXC Applications JTAG, UART Bits (#) 2 High input voltage (min) (V) 0.45 High input voltage (max) (V) 3.6 Vout (min) (V) 0.65 Vout (max) (V) 3.6 Data rate (max) (Mbps) 380 IOH (max) (mA) -12 IOL (max) (mA) 12 Supply current (max) (µA) 23 Features Output enable, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc isolation Input type CMOS Output type 3-State Rating Automotive Operating temperature range (°C) -40 to 125
UQFN (RSW) 10 2.52 mm² 1.8 x 1.4
  • AEC-Q100 automotive qualified
  • Fully configurable dual-rail design allows each port to operate with a power supply range rrom 0.65 V to 3.6 V
  • Operating temperature from –40°C to +125°C
  • DIR control input for each channel
  • Glitch-free power supply sequencing
  • Up to 380 Mbps support when translating from 1.8 V to 3.3 V
  • VCC isolation feature
    • If either VCC input is below 100 mV, all I/O outputs are disabled and become high-impedance
  • Ioff supports partial-power-down mode operation
  • Compatible with AVC-family level shifters
  • Latch-up performance exceeds 100 mA per JESD 78, class II
  • ESD protection exceeds JEDEC JS-001
    • 8000-V Human-body model
    • 1000-V Charged-device model
  • AEC-Q100 automotive qualified
  • Fully configurable dual-rail design allows each port to operate with a power supply range rrom 0.65 V to 3.6 V
  • Operating temperature from –40°C to +125°C
  • DIR control input for each channel
  • Glitch-free power supply sequencing
  • Up to 380 Mbps support when translating from 1.8 V to 3.3 V
  • VCC isolation feature
    • If either VCC input is below 100 mV, all I/O outputs are disabled and become high-impedance
  • Ioff supports partial-power-down mode operation
  • Compatible with AVC-family level shifters
  • Latch-up performance exceeds 100 mA per JESD 78, class II
  • ESD protection exceeds JEDEC JS-001
    • 8000-V Human-body model
    • 1000-V Charged-device model

The SN74AXC2T245-Q1 is a two-bit noninverting bus transceiver that uses two individually configurable power-supply rails. The device is operational with both VCCA and VCCB supplies as low as 0.65 V. The A port is designed to track VCCA, which accepts any supply voltage from 0.65 V to 3.6 V. The B port is designed to track VCCB, which also accepts any supply voltage from 0.65 V to 3.6 V. Additionally the SN74AXC2T245-Q1 is compatible with a single-supply system.

The SN74AXC2T245-Q1 device 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 of the direction-control inputs (DIRx). The SN74AXC2T245-Q1 device is designed so the control pin (DIR) is referenced to VCCA.

This device is fully specified for partial-power-down applications using the Ioff current. The Ioff protection circuitry ensures that no excessive current is drawn from or to an input, output, or combined I/O that is biased to a specific voltage while the device is powered down.

The VCC isolation feature ensures that if either VCCA or VCCB is less than 100 mV, both I/O ports enter a high-impedance state by disabling their outputs.

Glitch-free power supply sequencing allows either supply rail to be powered on or off in any order while providing robust power sequencing performance.

The SN74AXC2T245-Q1 is a two-bit noninverting bus transceiver that uses two individually configurable power-supply rails. The device is operational with both VCCA and VCCB supplies as low as 0.65 V. The A port is designed to track VCCA, which accepts any supply voltage from 0.65 V to 3.6 V. The B port is designed to track VCCB, which also accepts any supply voltage from 0.65 V to 3.6 V. Additionally the SN74AXC2T245-Q1 is compatible with a single-supply system.

The SN74AXC2T245-Q1 device 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 of the direction-control inputs (DIRx). The SN74AXC2T245-Q1 device is designed so the control pin (DIR) is referenced to VCCA.

This device is fully specified for partial-power-down applications using the Ioff current. The Ioff protection circuitry ensures that no excessive current is drawn from or to an input, output, or combined I/O that is biased to a specific voltage while the device is powered down.

The VCC isolation feature ensures that if either VCCA or VCCB is less than 100 mV, both I/O ports enter a high-impedance state by disabling their outputs.

Glitch-free power supply sequencing allows either supply rail to be powered on or off in any order while providing robust power sequencing performance.
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類型 標題 日期
* Data sheet SN74AXC2T245-Q1 Automotive 2-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and Tri-State Outputs datasheet (Rev. A) PDF | HTML 2020年 4月 21日
Application note Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators PDF | HTML 2024年 10月 2日
Application note Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 2024年 7月 12日
Application note Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 2024年 7月 3日
Application brief Translate Voltages for UART (Rev. B) PDF | HTML 2021年 8月 4日

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開發板

AXC2T-SMALLPKGEVM — 適用於 DTM 和 RSW 封裝產品的 AXC2T 小型封裝評估模組

This EVM is designed to support DTM and RSW packages for the AXC and LVC family of DIR controlled bidirectional devices. The AXC and AVC devices belong to the low voltage direction controlled translation family with operating voltage from 0.65V to 3.6V (AXC) and 1.2 to 3.6 (AVC) with 12mA of drive (...)
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SN74AXC2T245 IBIS Model

SCEM596.ZIP (30 KB) - IBIS Model
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