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電壓轉換器及電平移位器
電壓轉換器

SN74AVC4T245-Q1

現行

具有可配置電壓電平移位變化的車用四位元雙電源匯流排收發器

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產品規格表

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SN74AXC4T245-Q1 現行 具有可配置電壓轉換和三態輸出的車用 4 位元雙電源匯流排收發器 A newer version available with wider operating voltage range

SN74AVC4T245-Q1

現行
產品規格表 立即訂購

產品詳細資料

Bits (#) 4 Data rate (max) (Mbps) 500 Topology Push-Pull Direction control (typ) Direction-controlled Vin (min) (V) 1.2 Vin (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 3.6 Applications GPIO, I2S, JTAG, PCM, SPI, UART Features Output enable, Partial power down (Ioff) Prop delay (ns) 2 Technology family AVC Supply current (max) (mA) 0.016 Rating Automotive Operating temperature range (°C) -40 to 125
Bits (#) 4 Data rate (max) (Mbps) 500 Topology Push-Pull Direction control (typ) Direction-controlled Vin (min) (V) 1.2 Vin (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 3.6 Applications GPIO, I2S, JTAG, PCM, SPI, UART Features Output enable, Partial power down (Ioff) Prop delay (ns) 2 Technology family AVC Supply current (max) (mA) 0.016 Rating Automotive Operating temperature range (°C) -40 to 125
VQFN (RGY) 16 14 mm² (4 mm × 3.5 mm) TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm) WQFN (BQB) 16 8.75 mm² (3.5 mm × 2.5 mm) SOT-23-THN (DYY) 16 8.4 mm² (4.2 mm × 2 mm)
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD classification level H3B (JESD 22 A114-A)
    • Device CDM ESD classification level C5 (JESD 22 C101)
  • Function safety capable
  • Control input VIH and VIL levels are referenced to VCCA voltage
  • Fully configurable dual-rail design allows each port to operate over the full 1.2V to 3.6V power-supply range
  • I/Os are 4.6V tolerant
  • Ioff supports partial power-down-mode operation
  • Maximum data rates:
    • 380Mbps (1.8V to 3.3V translation)
    • 200Mbps (<1.8V to 3.3V translation)
    • 200Mbps (translate to 2.5V or 1.8V)
    • 150Mbps (translate to 1.5V)
    • 100Mbps (translate to 1.2V)
  • Latch-up performance exceeds 100mA per JESD 78, Class II
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD classification level H3B (JESD 22 A114-A)
    • Device CDM ESD classification level C5 (JESD 22 C101)
  • Function safety capable
  • Control input VIH and VIL levels are referenced to VCCA voltage
  • Fully configurable dual-rail design allows each port to operate over the full 1.2V to 3.6V power-supply range
  • I/Os are 4.6V tolerant
  • Ioff supports partial power-down-mode operation
  • Maximum data rates:
    • 380Mbps (1.8V to 3.3V translation)
    • 200Mbps (<1.8V to 3.3V translation)
    • 200Mbps (translate to 2.5V or 1.8V)
    • 150Mbps (translate to 1.5V)
    • 100Mbps (translate to 1.2V)
  • Latch-up performance exceeds 100mA per JESD 78, Class II

This 4-bit non-inverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2V to 3.6V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.2V to 3.6V. The SN74AVC4T245-Q1 is optimized to operate with VCCA/VCCB set at 1.4V to 3.6V. It is operational with VCCA/VCCB as low as 1.2V. This allows for universal low-voltage bidirectional translation between any of the 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V voltage nodes.

The SN74AVC4T245-Q1 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable ( OE) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. The device transmits data from the A bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

The SN74AVC4T245-Q1 is designed so that the control pins (1DIR, 2DIR, 1 OE, and 2 OE) 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 design of the VCC isolation feature places both ports in the high-impedance state if either VCC input is at GND.

To place the device in the high-impedance state during power up or power down, tie OE to VCC through a pullup resistor; the current-sinking capability of the driver determines the minimum value of the resistor.

This 4-bit non-inverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2V to 3.6V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.2V to 3.6V. The SN74AVC4T245-Q1 is optimized to operate with VCCA/VCCB set at 1.4V to 3.6V. It is operational with VCCA/VCCB as low as 1.2V. This allows for universal low-voltage bidirectional translation between any of the 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V voltage nodes.

The SN74AVC4T245-Q1 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable ( OE) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. The device transmits data from the A bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

The SN74AVC4T245-Q1 is designed so that the control pins (1DIR, 2DIR, 1 OE, and 2 OE) 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 design of the VCC isolation feature places both ports in the high-impedance state if either VCC input is at GND.

To place the device in the high-impedance state during power up or power down, tie OE to VCC through a pullup resistor; the current-sinking capability of the driver determines the minimum value of the resistor.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 SN74AVC4T245-Q1 Automotive 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs datasheet (Rev. D) PDF | HTML 2026/5/12
應用說明 Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators PDF | HTML 2024/10/2
應用說明 Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 2024/7/12
應用說明 Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 2024/7/3
功能安全資訊 SN74AVC4T245-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2024/4/18
選擇指南 Voltage Translation Buying Guide (Rev. A) 2021/4/15
功能安全資訊 SN74AVC4T245-Q1 Functional Safety FIT Rate and Failure Mode Distribution 2019/12/30
更多文件說明 Automotive Logic Devices Brochure 2014/8/27

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14-24-LOGIC-EVM — 適用於 14 針腳至 24 針腳 D、DB、DGV、DW、DYY、NS 和 PW 封裝的邏輯產品通用評估模組

14-24-LOGIC-EVM 評估模組 (EVM) 設計用於支援任何 14 針腳至 24 針腳 D、DW、DB、NS、PW、DYY 或 DGV 封裝的任何邏輯裝置。

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14-24-NL-LOGIC-EVM — 適用於 14 針腳至 24 針腳無引線封裝的邏輯產品通用評估模組

14-24-NL-LOGIC-EVM 是一款靈活的評估模組 (EVM)，設計用於支援任何具有 14 針腳至 24 針腳 BQA、BQB、RGY、RSV、RJW 或 RHL 封裝的邏輯或轉換裝置。

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AVCLVCDIRCNTRL-EVM — 適用於方向控制雙向轉換裝置、支援 AVC 和 LVC 的通用 EVM

通用 EVM 的設計可支援一、二、四、八通道 LVC 及 AVC 方向控制的轉換裝置。此外也支援相同通道數量的匯流排保留與汽車 -Q1 裝置。AVC 是低電壓轉換裝置，具較低驅動強度 12mA。LVC 是較高的電壓轉換裝置，範圍從 1.65 到 5.5V 且具較高驅動強度 32mA。

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模擬型號

SN74AVC4T245 IBIS Model (Rev. B)

SCEM503B.ZIP (68 KB) - IBIS 模型
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VQFN (RGY) 16 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian
WQFN (BQB) 16 Ultra Librarian
SOT-23-THN (DYY) 16 Ultra Librarian
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