SN74ALS30AD Description
The SN74ALS30AD from Texas Instruments is a single 8-input NAND gate integrated circuit (IC) housed in a 14-pin SOIC package. Operating within a 4.5V to 5.5V supply range, this logic gate is part of the 74ALS series, known for its low-power Schottky (ALS) technology. Designed for surface-mount applications, it features a max propagation delay of 12ns at 5V with a 50pF load, ensuring reliable high-speed performance in digital systems. With RoHS3 compliance and REACH unaffected status, it meets modern environmental standards while being suitable for industrial and commercial use.
SN74ALS30AD Features
- Logic Type: 8-input NAND gate with 1 circuit for compact integration.
- High-Speed Operation: 12ns propagation delay at 5V, ideal for timing-critical applications.
- Wide Voltage Range: Supports 4.5V–5.5V, compatible with standard TTL levels.
- Robust I/O Characteristics: Input thresholds of 0.8V (Low) and 2V (High); output drive of 400µA (High) and 8mA (Low).
- Reliable Packaging: Tube-packaged 14-SOIC with MSL 1 (Unlimited) moisture sensitivity, ensuring easy handling.
- Low Power Consumption: ALS technology reduces power dissipation compared to standard TTL.
- Environmental Compliance: RoHS3 and EAR99 certified, suitable for global markets.
SN74ALS30AD Applications
- Digital Signal Processing: Used in error detection circuits and parity checkers due to its multi-input logic.
- Microcontroller Interfaces: Ideal for glue logic in embedded systems, bridging mismatched signal levels.
- Industrial Control Systems: Deployed in PLC-based logic arrays for reliable Boolean operations.
- Test & Measurement Equipment: Ensures precise timing in pulse generators and frequency dividers.
- Legacy System Upgrades: Replaces older TTL gates in retro-computing or avionics due to ALS efficiency.
Conclusion of SN74ALS30AD
The SN74ALS30AD excels in high-speed, low-power digital logic with its 8-input NAND functionality, making it a versatile choice for complex logic consolidation. Its ALS technology, robust I/O drive, and industrial-grade reliability distinguish it from generic NAND gates, while its surface-mount design suits modern PCB layouts. Though classified as Last Time Buy, it remains a dependable solution for legacy and new designs requiring multi-input logic integrity.
(Word count: 950 characters)