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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

SN74LXC2T45

現行

具可配置電壓位準移位與三態輸出的 2 位元雙電源收發器

立即訂購
產品規格表

SN74LXC2T45

現行
產品規格表 立即訂購

產品詳細資料

Technology family LXC Applications GPIO, JTAG, UART Bits (#) 2 High input voltage (min) (V) 0.44 High input voltage (max) (V) 5.5 Vout (min) (V) 1.1 Vout (max) (V) 5.5 Data rate (max) (Mbps) 420 IOH (max) (mA) -32 IOL (max) (mA) 32 Supply current (max) (µA) 6 Features Integrated pulldown resistors, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc disconnect, Vcc isolation Input type Schmitt-Trigger Output type Push-Pull Rating Catalog Operating temperature range (°C) -40 to 125
Technology family LXC Applications GPIO, JTAG, UART Bits (#) 2 High input voltage (min) (V) 0.44 High input voltage (max) (V) 5.5 Vout (min) (V) 1.1 Vout (max) (V) 5.5 Data rate (max) (Mbps) 420 IOH (max) (mA) -32 IOL (max) (mA) 32 Supply current (max) (µA) 6 Features Integrated pulldown resistors, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc disconnect, Vcc isolation Input type Schmitt-Trigger Output type Push-Pull Rating Catalog Operating temperature range (°C) -40 to 125
VSSOP (DCU) 8 6.2 mm² 2 x 3.1 X1QFN (DTT) 8 1.95 mm² 1.95 x 1 X2SON (DTM) 8 1.08 mm² 0.8 x 1.35
  • Fully configurable dual-rail design allows each port to operate from 1.1 V to 5.5 V
  • Robust, glitch-free power supply sequencing
  • Up to 420-Mbps support for 3.3 V to 5.0 V
  • Schmitt-trigger inputs allow for slow or noisy inputs
  • I/O’s with integrated dynamic pull-down resistors help reduce external component count
  • Control inputs with integrated static pull-down resistors allow for floating control inputs
  • High drive strength (up to 32 mA at 5 V)
  • Low power consumption
    • 3-µA maximum (25°C)
    • 6-µA maximum (–40°C to 125°C)
  • VCC isolation and VCC disconnect (Ioff-float) feature
    • If either VCC supply is < 100 mV or disconnected, all I/O’s get pulled-down and then become high-impedance
  • Ioff supports partial-power-down mode operation
  • Compatible with LVC family level shifters
  • Control logic (DIR) are referenced to VCCA
  • Operating temperature from –40°C to +125°C
  • Latch-up performance exceeds 100 mA per JESD 78, class II
  • ESD protection exceeds JESD 22
    • 4000-V human-body model
    • 1000-V charged-device model
  • Fully configurable dual-rail design allows each port to operate from 1.1 V to 5.5 V
  • Robust, glitch-free power supply sequencing
  • Up to 420-Mbps support for 3.3 V to 5.0 V
  • Schmitt-trigger inputs allow for slow or noisy inputs
  • I/O’s with integrated dynamic pull-down resistors help reduce external component count
  • Control inputs with integrated static pull-down resistors allow for floating control inputs
  • High drive strength (up to 32 mA at 5 V)
  • Low power consumption
    • 3-µA maximum (25°C)
    • 6-µA maximum (–40°C to 125°C)
  • VCC isolation and VCC disconnect (Ioff-float) feature
    • If either VCC supply is < 100 mV or disconnected, all I/O’s get pulled-down and then become high-impedance
  • Ioff supports partial-power-down mode operation
  • Compatible with LVC family level shifters
  • Control logic (DIR) are referenced to VCCA
  • Operating temperature from –40°C to +125°C
  • Latch-up performance exceeds 100 mA per JESD 78, class II
  • ESD protection exceeds JESD 22
    • 4000-V human-body model
    • 1000-V charged-device model

The SN74LXC2T45 is a dual-bit, dual-supply noninverting bidirectional voltage level translation device. Ax pins and control pin (DIR) are referenced to VCCA logic levels, and Bx pins are referenced to VCCB logic levels. The A port is able to accept I/O voltages ranging from 1.1 V to 5.5 V, while the B port can accept I/O voltages from 1.1 V to 5.5 V. A high on DIR allows data transmission from A to B and a low on DIR allows data transmission from B to A. See Device Functional Modes for a summary of the operation of the control logic.

The SN74LXC2T45 is a dual-bit, dual-supply noninverting bidirectional voltage level translation device. Ax pins and control pin (DIR) are referenced to VCCA logic levels, and Bx pins are referenced to VCCB logic levels. The A port is able to accept I/O voltages ranging from 1.1 V to 5.5 V, while the B port can accept I/O voltages from 1.1 V to 5.5 V. A high on DIR allows data transmission from A to B and a low on DIR allows data transmission from B to A. See Device Functional Modes for a summary of the operation of the control logic.
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技術文件

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類型 標題 日期
* Data sheet SN74LXC2T45 Dual-Bit Dual-Supply Bus Transceiver with Configurable Level Shifting datasheet (Rev. B) PDF | HTML 2022年 3月 5日
Application note Understanding Transient Drive Strength vs. DC Drive Strength in CMOS Output Buffers PDF | HTML 2024年 5月 14日
Application brief Enabling Power-Efficient FPGA Designs With Level Translation PDF | HTML 2024年 4月 30日
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 2024年 4月 30日
Application brief Enabling Smart Battery Energy Storage Systems with Voltage Level Translation PDF | HTML 2023年 6月 4日
Product overview Enabling System on Module Industrial PC Connectivity With Level Translation PDF | HTML 2023年 4月 3日
Application brief Enabling Next Generation Processors, FPGA, and ASSP with Voltage Level Translat PDF | HTML 2023年 1月 17日
Application brief Enabling Smart Solar Inverter Designs with Level Translation PDF | HTML 2022年 10月 31日
Application brief Enabling LED and LCD Indicators in Modern System Designs PDF | HTML 2022年 8月 1日

設計與開發

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開發板

5-8-LOGIC-EVM — 適用於 5 針腳至 8 針腳 DCK、DCT、DCU、DRL 和 DBV 封裝的通用邏輯評估模組

靈活的 EVM 旨在支援任何針腳數為 5 至 8 支且採用 DCK、DCT、DCU、DRL 或 DBV 封裝的裝置。
使用指南: PDF
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開發板

5-8-NL-LOGIC-EVM — 支援 5 至 8 針腳 DPW、DQE、DRY、DSF、DTM、DTQ 和 DTT 封裝的通用邏輯和轉譯 EVM

支援任何具 DTT、DRY、DPW、DTM、DQE、DQM、DSF 或 DTQ 封裝的邏輯或轉換裝置之通用 EVM。可實現靈活評估的電路板設計。

使用指南: PDF | HTML
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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 (...)
使用指南: PDF
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模擬型號

SN74LXC2T45 IBIS Model

SCEM789.ZIP (56 KB) - IBIS Model
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
VSSOP (DCU) 8 Ultra Librarian
X1QFN (DTT) 8 Ultra Librarian
X2SON (DTM) 8 Ultra Librarian
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  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
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  • 組裝地點

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