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SN74AS21D
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SN74AS21D Description
SN74AS21D Description
The SN74AS21D is a high-performance AND gate logic IC from Texas Instruments, designed for a wide range of digital applications. This device features two 4-input AND gates in a compact 14SOIC package, making it ideal for space-constrained designs. The SN74AS21D operates within a supply voltage range of 4.5V to 5.5V and can function effectively in an operating temperature range of 0°C to 70°C. It is manufactured with surface-mount technology, ensuring robustness and ease of integration into modern electronic systems.
SN74AS21D Features
- Logic Type: The SN74AS21D incorporates two 4-input AND gates, providing versatile logic functionality.
- Operating Temperature: With an operating temperature range of 0°C to 70°C, the SN74AS21D is suitable for applications in various environmental conditions.
- Max Propagation Delay: The device boasts a maximum propagation delay of 6ns at 5V and 50pF, ensuring high-speed signal processing.
- Input Logic Levels: The SN74AS21D has an input logic level of 0.8V for low and 2V for high, allowing for precise signal detection.
- Output Current: It supports an output current of 2mA for high and 20mA for low, making it capable of driving multiple loads.
- Compliance: The SN74AS21D is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
- Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is highly resistant to moisture, enhancing its reliability in humid environments.
SN74AS21D Applications
The SN74AS21D is well-suited for applications requiring high-speed digital signal processing and compact design. Its dual 4-input AND gates make it ideal for:
- Digital Signal Processing: Efficiently processing digital signals in communication systems.
- Control Systems: Implementing logic functions in industrial control systems.
- Consumer Electronics: Enhancing the functionality of consumer devices with minimal footprint.
- Automotive Electronics: Utilized in automotive systems where space and reliability are critical.
Conclusion of SN74AS21D
The SN74AS21D from Texas Instruments stands out as a reliable and high-performance AND gate logic IC. Its compact design, high-speed operation, and robust compliance make it a preferred choice for engineers and designers in various industries. Whether in digital signal processing, control systems, or consumer electronics, the SN74AS21D offers a versatile and efficient solution. Its compliance with environmental standards and high moisture sensitivity level further enhance its reliability and suitability for a wide range of applications.
FAQ
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.49040 | $2.49 |
| 10+ | $1.85856 | $18.59 |
| 50+ | $1.60600 | $80.30 |
| 100+ | $1.52777 | $152.78 |
| 168+ | $1.57520 | $264.63 |



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