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Product Overview
The SN74AVCH20T245GR is a 20-bit (dual-supply) voltage-level translator from Texas Instruments, designed for bidirectional voltage translation between different voltage nodes in mixed-voltage systems. It operates with a VCCA range of 1.2V to 3.6V and VCCB range of 1.65V to 3.6V, making it suitable for interfacing low-voltage ASICs/FPGAs with higher-voltage peripherals. The device features automatic direction sensing, eliminating the need for direction control signals. Packaged in a 56-pin TSSOP, it offers high-speed operation with a typical propagation delay of 2.5 ns and low static power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage VCCA |
1.2 V to 3.6 V |
| Supply Voltage VCCB |
1.65 V to 3.6 V |
| Number of Bits |
20 |
| Propagation Delay (typ) |
2.5 ns |
| Output Drive (VCCB = 3.3 V) |
±12 mA |
| Operating Temperature |
-40°C to +85°C |
| Package |
56-TSSOP |
| ESD Protection (HBM) |
±2000 V |
Key Features
- Bidirectional voltage translation with automatic direction sensing
- Supports partial power-down mode (Ioff)
- Low static power consumption (max 40 µA)
- High drive capability: ±12 mA at 3.3 V
- ESD protection exceeds JESD 22
- Available in 56-pin TSSOP package
Target Applications
- 5G base station control boards (e.g., interfacing FPGA with RF transceivers)
- Automotive dashboard display modules (e.g., connecting MCU to TFT display)
- Industrial PLC I/O modules (e.g., level translation between 1.8V sensor and 3.3V controller)
- Consumer electronics (e.g., smartphone camera module interface)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AVCH20T245GR. 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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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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
SN74AVCH20T245GR 是德州儀器(TI)推出的一款20位(雙電源)電壓電平轉換器,專為混合電壓系統中不同電壓節點之間的雙向電壓轉換而設計。其 VCCA 工作範圍為 1.2V 至 3.6V,VCCB 工作範圍為 1.65V 至 3.6V,適用於低電壓 ASIC/FPGA 與較高電壓外設之間的接口。該器件具有自動方向檢測功能,無需方向控制信號。採用 56 引腳 TSSOP 封裝,典型傳播延遲為 2.5 ns,靜態功耗極低。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 VCCA |
1.2 V 至 3.6 V |
| 電源電壓 VCCB |
1.65 V 至 3.6 V |
| 位數 |
20 |
| 傳播延遲(典型值) |
2.5 ns |
| 輸出驅動(VCCB = 3.3 V) |
±12 mA |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
56-TSSOP |
| ESD 保護(HBM) |
±2000 V |
核心特性
- 雙向電壓轉換,自動方向檢測
- 支持部分斷電模式(Ioff)
- 低靜態功耗(最大 40 µA)
- 高驅動能力:3.3 V 時 ±12 mA
- ESD 保護超過 JESD 22 標準
- 採用 56 引腳 TSSOP 封裝
典型應用場景
- 5G 基站控制板(例如 FPGA 與射頻收發器接口)
- 汽車儀表盤顯示模塊(例如 MCU 連接 TFT 顯示屏)
- 工業 PLC I/O 模塊(例如 1.8V 傳感器與 3.3V 控制器之間的電平轉換)
- 消費電子(例如智能手機攝像頭模塊接口)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74AVCH20T245GR 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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