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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

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

現在提供此產品的更新版本

open-in-new 比較替代產品
可直接投入的替代產品，相較於所比較的裝置，具備升級功能
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

Technology family AVC Applications JTAG, SPI, UART Bits (#) 4 High input voltage (min) (V) 0.78 High input voltage (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 3.6 Data rate (max) (Mbps) 380 IOH (max) (mA) -12 IOL (max) (mA) 12 Supply current (max) (µA) 16 Features Output enable, Overvoltage tolerant inputs, Partial power down (Ioff) Input type Standard CMOS Output type 3-State, Balanced CMOS, Push-Pull Rating Automotive Operating temperature range (°C) -40 to 125
Technology family AVC Applications JTAG, SPI, UART Bits (#) 4 High input voltage (min) (V) 0.78 High input voltage (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 3.6 Data rate (max) (Mbps) 380 IOH (max) (mA) -12 IOL (max) (mA) 12 Supply current (max) (µA) 16 Features Output enable, Overvoltage tolerant inputs, Partial power down (Ioff) Input type Standard CMOS Output type 3-State, Balanced CMOS, Push-Pull Rating Automotive Operating temperature range (°C) -40 to 125
SOT-23-THN (DYY) 16 8.4 mm² 4.2 x 2 TSSOP (PW) 16 32 mm² 5 x 6.4 VQFN (RGY) 16 14 mm² 4 x 3.5 WQFN (BQB) 16 8.75 mm² 3.5 x 2.5
  • 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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類型 標題 日期
* Data sheet SN74AVC4T245-Q1 Automotive 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs datasheet (Rev. C) PDF | HTML 2024年 2月 29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
Functional safety information SN74AVC4T245-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2024年 4月 18日
EVM User's guide AXC Small-Package Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 7月 12日
Selection guide Voltage Translation Buying Guide (Rev. A) 2021年 4月 15日
Functional safety information SN74AVC4T245-Q1 Functional Safety FIT Rate and Failure Mode Distribution 2019年 12月 30日
Selection guide Logic Guide (Rev. AB) 2017年 6月 12日
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 2015年 12月 2日
Application note Voltage Translation Between 3.3-V, 2.5-V, 1.8-V, and 1.5-V Logic Standards (Rev. B) 2015年 4月 30日
More literature Automotive Logic Devices Brochure 2014年 8月 27日
User guide LOGIC Pocket Data Book (Rev. B) 2007年 1月 16日
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 2004年 7月 8日
Application note Selecting the Right Level Translation Solution (Rev. A) 2004年 6月 22日
More literature LCD Module Interface Application Clip 2003年 5月 9日
User guide AVC Advanced Very-Low-Voltage CMOS Logic Data Book, March 2000 (Rev. C) 2002年 8月 20日
More literature Standard Linear & Logic for PCs, Servers & Motherboards 2002年 6月 13日
Application note 16-Bit Widebus Logic Families in 56-Ball, 0.65-mm Pitch Very Thin Fine-Pitch BGA (Rev. B) 2002年 5月 22日
Application note Dynamic Output Control (DOC) Circuitry Technology And Applications (Rev. B) 1999年 7月 7日
Application note AVC Logic Family Technology and Applications (Rev. A) 1998年 8月 26日

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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。

使用指南: PDF | HTML
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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)，設計用途可支援任何具有 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

The generic EVM is designed to support one, two, four and eight channel LVC and AVC direction-controlled translation devices. It also supports the bus hold and automotive -Q1 devices in the same number of channels. The AVC are low voltage translation devices with lower drive strength of 12mA. LVC (...)

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模擬型號

SN74AVC4T245 IBIS Model (Rev. B)

SCEM503B.ZIP (68 KB) - IBIS Model
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23-THN (DYY) 16 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian
VQFN (RGY) 16 Ultra Librarian
WQFN (BQB) 16 Ultra Librarian
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