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Product Overview
The SN74LVCH8T245DBR is a high-performance 8-bit bus transceiver from Texas Instruments, designed for bidirectional voltage-level translation in mixed-voltage systems. It operates with dual supply voltages (VCCA and VCCB) ranging from 1.65V to 5.5V, making it ideal for interfacing between low-voltage and high-voltage domains. Housed in a compact 24-SSOP package, this device features 3-state outputs and supports partial power-down (Ioff) to prevent backflow current. It is part of the LVC family, offering low static power consumption and high drive capability.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCCA) |
1.65V to 5.5V |
| Supply Voltage (VCCB) |
1.65V to 5.5V |
| Number of Bits |
8 |
| Direction Control |
DIR pin |
| Output Enable |
Active-low OE |
| Output Type |
3-State |
| Data Rate |
Up to 200 Mbps |
| Propagation Delay |
Typ. 3.5 ns at 3.3V |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-SSOP (DBR) |
Key Features
- Dual-supply voltage translation: 1.65V to 5.5V on both ports
- 8-bit bidirectional bus transceiver with 3-state outputs
- Supports partial power-down (Ioff) to prevent backflow current
- Low static power consumption (max 10 µA)
- High drive capability: ±24 mA at 3.3V
- ESD protection: 2 kV HBM, 1 kV CDM
- Compatible with JEDEC standards
Target Applications
- 5G base stations: Level translation between baseband processor (1.8V) and RF front-end (3.3V)
- Automotive dashboard: Interface between MCU (3.3V) and display driver (5V)
- Industrial PLC: Connect sensor modules (1.8V) to controller (3.3V)
- Consumer electronics: Smartphone camera module interface
- Networking equipment: Router/switch logic level conversion
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LVCH8T245DBR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
SN74LVCH8T245DBR 是德州儀器(TI)的一款高性能8位總線收發器,專為混合電壓系統中的雙向電平轉換而設計。它支持雙電源(VCCA 和 VCCB),電壓範圍均為 1.65V 至 5.5V,非常適合低電壓與高電壓域之間的接口。該器件採用緊湊的 24-SSOP 封裝,具有三態輸出,並支持部分斷電(Ioff)以防止反向電流。作為 LVC 系列的一員,它具備低靜態功耗和高驅動能力。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCCA) |
1.65V 至 5.5V |
| 電源電壓 (VCCB) |
1.65V 至 5.5V |
| 位數 |
8 |
| 方向控制 |
DIR 引腳 |
| 輸出使能 |
低電平有效 OE |
| 輸出類型 |
三態 |
| 數據速率 |
最高 200 Mbps |
| 傳播延遲 |
典型值 3.5 ns (3.3V) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24-SSOP (DBR) |
核心特性
- 雙電源電壓轉換:兩個端口均支持 1.65V 至 5.5V
- 8位雙向總線收發器,帶三態輸出
- 支持部分斷電(Ioff),防止反向電流
- 低靜態功耗(最大 10 µA)
- 高驅動能力:3.3V 時 ±24 mA
- ESD 保護:2 kV HBM,1 kV CDM
- 符合 JEDEC 標準
典型應用場景
- 5G 基站:基帶處理器(1.8V)與射頻前端(3.3V)之間的電平轉換
- 汽車儀表盤:MCU(3.3V)與顯示驅動器(5V)之間的接口
- 工業 PLC:傳感器模塊(1.8V)與控制器(3.3V)的連接
- 消費電子:智能手機攝像頭模塊接口
- 網絡設備:路由器/交換機邏輯電平轉換
環球供應鏈與批發合作夥伴方案
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