The MC74F242N is an octal buffer/line driver with 3-state outputs manufactured by Freescale Semiconductor - NXP. This device is part of the Fast (F) family of advanced bipolar logic circuits and is designed for high-performance applications where speed and drive capability are essential.

Applications

• Memory address drivers
• Clock drivers
• Bus-oriented applications
• Data transmission

Features

• 3-State Outputs: Allows multiple devices to share a common bus.
• High-Speed Operation: Ensures fast switching speeds for time-critical applications.
• High Output Drive Capability: Can drive heavily loaded buses and transmission lines.
• Low Input Current: Minimizes the load on preceding devices.
• TTL Compatible: Interfaces directly with TTL logic levels.

Benefits

• Improved System Performance: The high-speed operation reduces propagation delays, leading to faster overall system performance.
• Increased System Reliability: The high output drive capability ensures reliable data transmission even with heavy loads.
• Simplified System Design: The 3-state outputs simplify bus-oriented designs and reduce the need for external components.
• Reduced Power Consumption: While part of the F family, it offers a balance between speed and power consumption suitable for various applications.

Additional Details

The MC74F242N operates from a single 5V power supply. It comes in a 20-pin DIP (Dual In-line Package). It is designed to meet or exceed JEDEC standards. The propagation delay is typically in the range of 4-6 ns. The 3-state outputs are controlled by an Output Enable (OE) input. When OE is low, the outputs are enabled, and when OE is high, the outputs are in the high-impedance state. This feature allows multiple devices to share a common bus without contention.

The operating temperature range is typically 0°C to +70°C. The device is suitable for both commercial and industrial applications. Proper decoupling capacitors should be used near the power supply pins to minimize noise and ensure stable operation.