74HC240PW

The 74HC240PW is a high-speed CMOS octal inverting buffer/line driver with 3-state outputs, housed in a TSSOP-20 package. It features eight inverting buffers with active-low output enable (OE) pins, allowing the outputs to be placed in a high-impedance state when disabled.
Key Features:
- Logic Type: Inverting buffer
- Voltage Range: 2V to 6V (HC family compatible)
- Output Current: ±7mA (at 5V)
- 3-State Outputs: Supports bus-oriented applications
- Package: TSSOP-20 (PW suffix)
Applications:
- Signal buffering
- Bus driving
- Level shifting
- Memory/address line control
The 74HC240PW is ideal for digital systems requiring bidirectional or isolated data flow, offering low power consumption and high noise immunity typical of CMOS technology.

The 74HC240PW is an octal buffer/line driver with 3-state outputs (inverting). Equivalent alternatives include:
- SN74HC240N (DIP package)
- 74HCT240 (TTL-compatible inputs)
- MC74HC240AN (similar specs, different manufacturer)
- CD74HC240E (compatible functionality)
These offer similar logic and pinouts but may vary in packaging, voltage tolerance, or speed. Check datasheets for exact substitutions.

The 74HC240PW is an octal inverting buffer/line driver with 3-state outputs, commonly used in:
1. Digital Signal Buffering – Isolates and strengthens signals in microcontrollers and logic circuits.
2. Bus Driving – Controls data flow in shared bus systems (e.g., memory, I/O).
3. Noise Immunity – Reduces signal distortion in high-speed digital systems.
4. Level Shifting – Interfaces between different voltage logic families (e.g., 5V to 3.3V).
5. Industrial & Automotive Electronics – Reliable signal transmission in harsh environments.
Its 3-state outputs allow efficient bus sharing, making it useful in multiplexed systems.

The 74HC240PW is packaged in a TSSOP-20 (Thin Shrink Small Outline Package) with 20 pins. This surface-mount package is compact, with a body width of 4.4mm, making it suitable for space-constrained applications. It features a lead pitch of 0.65mm and is RoHS-compliant. The "PW" suffix in the part number denotes the TSSOP package variant.