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Product Overview
The CD74HC243E from Texas Instruments is a high-speed CMOS quad 2-input AND-OR gate integrated circuit. It features four independent AND-OR gates, each with two AND inputs and one OR output. The device operates over a wide supply voltage range of 2V to 6V, making it suitable for battery-powered and industrial applications. Housed in a 14-pin PDIP package, it offers robust performance with low power consumption and high noise immunity.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| 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 (max) at VCC=4.5V |
| Low-Level Output Current (IOL) |
4mA (max) at VCC=4.5V |
| Propagation Delay (tpd) |
13ns (typ) at VCC=4.5V, CL=50pF |
| Input Capacitance |
10pF (typ) |
| Operating Temperature |
-55°C to +125°C |
| Package |
14-PDIP |
Key Features
- Quad 2-input AND-OR gate configuration
- Wide operating voltage range: 2V to 6V
- High noise immunity: typically VNIH = VNIL = 28% of VCC
- Low power consumption: 80µA max ICC
- Balanced propagation delays
- Standard CMOS outputs
- Compatible with TTL levels
- ESD protection exceeds 2000V per MIL-STD-883
Target Applications
- 5G base station control logic
- Automotive dashboard display controllers
- Industrial PLC I/O modules
- Medical device signal conditioning
- Consumer electronics power management
- Telecommunications switching systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HC243E. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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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
CD74HC243E 是德州儀器 (TI) 生產的高速 CMOS 四路 2 輸入與或門集成電路。它包含四個獨立的與或門,每個具有兩個與輸入和一個或輸出。器件可在 2V 至 6V 的寬電源電壓範圍內工作,適用於電池供電和工業應用。採用 14 引腳 PDIP 封裝,具有低功耗和高抗噪聲性能。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 高電平輸入電壓 (VIH) |
3.15V (最小值) 在 VCC=4.5V 時 |
| 低電平輸入電壓 (VIL) |
1.35V (最大值) 在 VCC=4.5V 時 |
| 高電平輸出電流 (IOH) |
-4mA (最大值) 在 VCC=4.5V 時 |
| 低電平輸出電流 (IOL) |
4mA (最大值) 在 VCC=4.5V 時 |
| 傳播延遲 (tpd) |
13ns (典型值) 在 VCC=4.5V, CL=50pF 時 |
| 輸入電容 |
10pF (典型值) |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
14-PDIP |
核心特性
- 四路 2 輸入與或門配置
- 寬工作電壓範圍:2V 至 6V
- 高抗噪聲:典型 VNIH = VNIL = 28% VCC
- 低功耗:最大 ICC 80µA
- 平衡的傳播延遲
- 標準 CMOS 輸出
- 兼容 TTL 電平
- ESD 保護超過 2000V (MIL-STD-883)
典型應用場景
- 5G 基站控制邏輯
- 汽車儀表盤顯示控制器
- 工業 PLC I/O 模塊
- 醫療設備信號調理
- 消費電子電源管理
- 電信交換系統
環球供應鏈與批發合作夥伴方案
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