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Product Overview
The SN74HC245NS is a high-speed, octal bidirectional transceiver from Texas Instruments, designed for asynchronous communication between data buses. It features non-inverting outputs and operates over a wide voltage range of 2V to 6V. Housed in a 20-pin SO package, this device is ideal for bus-oriented systems requiring high drive capability and low power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Output Current (IOH) |
-6 mA at VCC = 4.5V |
| Low-Level Output Current (IOL) |
6 mA at VCC = 4.5V |
| Propagation Delay (tpd) |
12 ns typical at VCC = 4.5V, CL = 50 pF |
| Input Capacitance (Ci) |
3 pF typical |
| Power Dissipation (PD) |
500 mW |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-SO (NS) |
Key Features
- 8-bit bidirectional transceiver with non-inverting outputs
- Wide operating voltage range: 2V to 6V
- High noise immunity: VNIH = VNIL = 28% of VCC (min)
- Low power consumption: ICC = 8 µA max at 25°C
- High drive capability: ±6 mA at 4.5V
- Inputs accept voltages up to VCC
- Outputs in high-impedance state when OE is high
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display interfaces
- Industrial PLC I/O modules
- Consumer electronics like smart home hubs
- Medical equipment data acquisition systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HC245NS. 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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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
SN74HC245NS 是德州儀器生產的高速八位雙向收發器,專為數據總線之間的異步通信設計。它具有同相輸出,工作電壓範圍為 2V 至 6V。採用 20 引腳 SO 封裝,適用於需要高驅動能力和低功耗的總線系統。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-6 mA (VCC = 4.5V) |
| 低電平輸出電流 (IOL) |
6 mA (VCC = 4.5V) |
| 傳播延遲 (tpd) |
12 ns 典型值 (VCC = 4.5V, CL = 50 pF) |
| 輸入電容 (Ci) |
3 pF 典型值 |
| 功耗 (PD) |
500 mW |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-SO (NS) |
核心特性
- 8 位雙向收發器,同相輸出
- 寬工作電壓範圍:2V 至 6V
- 高抗噪性:VNIH = VNIL = 28% VCC(最小值)
- 低功耗:ICC = 8 µA 最大值(25°C)
- 高驅動能力:±6 mA (4.5V)
- 輸入電壓可達 VCC
- OE 為高電平時輸出為高阻抗
- ESD 保護超過 2000V(MIL-STD-883 方法 3015)
典型應用場景
- 5G 基站控制板的數據總線隔離
- 汽車儀表盤顯示接口
- 工業 PLC I/O 模塊
- 消費電子如智能家居中心
- 醫療設備數據採集系統
環球供應鏈與批發合作夥伴方案
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