The TC74VHCT540AFT.EL is a high-speed CMOS octal buffer/line driver with 3-state outputs, fabricated with silicon gate CMOS technology. This device is designed for high-performance memory driving and data buffering applications. It features TTL-compatible inputs and outputs, making it easy to integrate into existing systems.

Applications

• Memory address driving
• Data buffering
• I/O port expansion
• Microprocessor systems
• Industrial control systems

Features

• High-speed operation: tpd = 6.5 ns (typ.) at VCC = 5V
• Low power dissipation: ICC = 4 μA (max.) at Ta = 25°C
• TTL-compatible inputs
• 3-state outputs
• Output drive capability: 12 mA
• Wide operating voltage range: VCC = 4.5 V to 5.5 V
• Pin and function compatible with 74HCT540

Benefits

• Provides robust driving capability for high-capacitance buses and transmission lines.
• High-speed performance ensures minimal impact on system timing.
• 3-state outputs allow multiple devices to share a common bus, maximizing system flexibility.
• TTL-compatible inputs simplify interfacing with other logic families.
• Low power consumption reduces heat generation and extends battery life in portable applications.

Additional Details

The TC74VHCT540AFT.EL is supplied in a TSSOP20 package. The ".EL" suffix likely indicates tape and reel packaging for automated assembly. The device is designed to operate over a temperature range of -40°C to +85°C. The 'A' in the part number suggests an improved version compared to the original TC74VHCT540.