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Product Overview
The SN74HCT623N is a high-performance octal bus transceiver from Texas Instruments, designed for asynchronous bidirectional communication between two data buses. It features non-inverting outputs and 3-state outputs for bus-oriented applications. The device operates with a wide supply voltage range of 4.5V to 5.5V, making it compatible with TTL logic levels. Housed in a 20-pin PDIP package, it is ideal for through-hole PCB designs requiring robust data flow control.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-6mA |
| Low-Level Output Current (IOL) |
6mA |
| Propagation Delay (tpd) |
23ns (max) at VCC=5V, CL=50pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-PDIP |
Key Features
- 8-bit bidirectional bus transceiver with non-inverting outputs
- 3-state outputs for bus isolation
- Wide operating voltage range (4.5V to 5.5V)
- TTL input compatible
- High noise immunity (typically VOH=4.9V, VOL=0.1V at VCC=5V)
- Low power consumption (ICC max 80µA)
- Standard 20-pin PDIP package for easy prototyping
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules for signal buffering
- Industrial PLC I/O modules for bidirectional data transfer
- Telecommunications equipment for backplane communication
- Medical imaging systems for data acquisition interfaces
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HCT623N. 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
SN74HCT623N 是德州儀器生產的高性能八路總線收發器,專為兩個數據總線之間的異步雙向通信而設計。它具有同相輸出和三態輸出,適用於總線應用。該器件的工作電源電壓範圍為 4.5V 至 5.5V,兼容 TTL 邏輯電平。採用 20 引腳 PDIP 封裝,適合需要穩健數據流控制的通孔 PCB 設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
2V (最小值) |
| 低電平輸入電壓 (VIL) |
0.8V (最大值) |
| 高電平輸出電流 (IOH) |
-6mA |
| 低電平輸出電流 (IOL) |
6mA |
| 傳播延遲 (tpd) |
23ns (最大值) 在 VCC=5V, CL=50pF 條件下 |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-PDIP |
核心特性
- 8 位雙向總線收發器,同相輸出
- 三態輸出,實現總線隔離
- 寬工作電壓範圍 (4.5V 至 5.5V)
- 兼容 TTL 輸入
- 高抗噪能力 (典型 VOH=4.9V, VOL=0.1V 在 VCC=5V 時)
- 低功耗 (ICC 最大值 80µA)
- 標準 20 引腳 PDIP 封裝,便於原型設計
典型應用場景
- 5G 基站控制板,用於數據總線隔離
- 汽車儀表盤顯示模塊,用於信號緩衝
- 工業 PLC I/O 模塊,用於雙向數據傳輸
- 電信設備,用於背板通信
- 醫療成像系統,用於數據採集接口
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HCT623N 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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