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Product Overview
The CD74HC273E from Texas Instruments is a high-speed CMOS 8-bit D-type flip-flop with a non-inverting output. It features a master reset (MR) input that clears all flip-flops asynchronously. The device operates from a 2V to 6V supply voltage, making it suitable for a wide range of digital applications. Packaged in a 20-pin PDIP, it is ideal for through-hole PCB designs.
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 Input Voltage (VIH) |
3.15V min (at VCC=4.5V) |
| Low-Level Input Voltage (VIL) |
1.35V max (at VCC=4.5V) |
| High-Level Output Current (IOH) |
-4mA (at VCC=4.5V) |
| Low-Level Output Current (IOL) |
4mA (at VCC=4.5V) |
| Propagation Delay (tpd) |
15ns typ (at VCC=4.5V, CL=50pF) |
| Input Capacitance (Ci) |
10pF typ |
| Operating Temperature |
-55°C to +125°C |
Key Features
- 8-bit D-type flip-flop with non-inverting outputs
- Asynchronous master reset (MR) clears all flip-flops
- Wide operating voltage range: 2V to 6V
- High noise immunity: typical 30% of VCC
- Low power consumption: 80µA max ICC
- Balanced propagation delays: tPLH and tPHL
- Standard 20-pin PDIP package for easy prototyping
Target Applications
- 5G base station control logic: used for temporary data storage in beamforming control modules
- Automotive dashboard display: stores configuration bits for segment drivers
- Industrial PLC I/O modules: registers for input/output data buffering
- Consumer electronics: remote control decoding and state machines
- Medical devices: patient monitoring system data registers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HC273E. 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
CD74HC273E 是德州儀器 (TI) 生產的高速 CMOS 8 位 D 型觸發器,具有同相輸出。它包含一個主復位 (MR) 輸入,可異步清除所有觸發器。器件工作電壓範圍為 2V 至 6V,適用於多種數字應用。採用 20 引腳 PDIP 封裝,適合通孔 PCB 設計。
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 |
| 高電平輸入電壓 (VIH) |
最小值 3.15V (VCC=4.5V 時) |
| 低電平輸入電壓 (VIL) |
最大值 1.35V (VCC=4.5V 時) |
| 高電平輸出電流 (IOH) |
-4mA (VCC=4.5V 時) |
| 低電平輸出電流 (IOL) |
4mA (VCC=4.5V 時) |
| 傳播延遲 (tpd) |
典型值 15ns (VCC=4.5V, CL=50pF) |
| 輸入電容 (Ci) |
典型值 10pF |
| 工作溫度 |
-55°C 至 +125°C |
核心特性
- 8 位 D 型觸發器,同相輸出
- 異步主復位 (MR) 可清除所有觸發器
- 寬工作電壓範圍:2V 至 6V
- 高抗噪能力:典型值為 VCC 的 30%
- 低功耗:最大 ICC 為 80µA
- 平衡的傳播延遲:tPLH 和 tPHL
- 標準 20 引腳 PDIP 封裝,便於原型設計
典型應用場景
- 5G 基站控制邏輯:用於波束成形控制模塊的臨時數據存儲
- 汽車儀表盤顯示:存儲段驅動器的配置位
- 工業 PLC I/O 模塊:輸入/輸出數據緩衝寄存器
- 消費電子:遙控解碼和狀態機
- 醫療設備:病人監護系統數據寄存器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD74HC273E 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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