74HC541N (Octal Buffer/Line Driver 3-State)

Overview

The 74HC541N is a high-speed, octal non-inverting buffer/line driver designed for interfacing between buses and driving capacitive or low-impedance loads. Featuring 3-state outputs, this IC allows multiple devices to share a common data bus without contention, making it an essential component in digital systems. With its active-low output enable inputs (OE1 and OE2), the 74HC541N provides flexible control over data flow, ensuring reliable signal integrity in your projects.

Key Features

• Octal Non-Inverting Buffer/Line Driver: Eight independent buffers that do not invert the input signal.
• 3-State Outputs: Outputs can be disabled (high-impedance) to allow bus sharing.
• Dual Output Enable Inputs (OE1, OE2): Active-low enables for flexible control.
• High-Speed Operation: Compatible with high-frequency digital systems.
• Wide Operating Voltage Range: 2.0V to 6.0V, suitable for 3.3V and 5V logic levels.
• Low Power Consumption: CMOS technology ensures minimal quiescent current.
• Standard Pinout: Easy to use in breadboards and PCBs.

Technical Specifications

• Function: Octal Non-inverting Buffer/Line Driver
• Output Type: 3-State
• Number of Bits: 8
• Enable Inputs: 2 (OE1, OE2), active-low
• Supply Voltage (VCC): 2.0V to 6.0V
• Input Voltage (VI): 0V to VCC
• High-Level Output Current (IOH): -7.8mA (at VCC = 4.5V)
• Low-Level Output Current (IOL): 7.8mA (at VCC = 4.5V)
• Propagation Delay (tpd): 12ns (typical) at VCC = 5V, CL = 50pF
• Operating Temperature Range: -40°C to +125°C
• Package: DIP-20 (N suffix)

Applications & Use Cases

• Bus Interface: Buffering data lines between microcontrollers, memory, and peripherals.
• Signal Conditioning: Driving long cables or high-capacitance loads.
• Level Shifting: Interfacing 3.3V logic with 5V systems (when VCC is set appropriately).
• Data Multiplexing: Controlling multiple data sources on a shared bus.
• LED and Relay Driving: Increasing current drive capability for outputs.
• Educational Projects: Ideal for learning about tri-state logic and bus systems.

What's Included

• 1x 74HC541N DIP-20 IC

Compatibility

• Logic Families: Compatible with HC, HCT, and standard CMOS logic levels.
• Microcontrollers: Works with Arduino, Raspberry Pi, STM32, ESP32, and other 3.3V/5V logic devices.
• Breadboards: Perfect for prototyping on standard breadboards.

MOKWN Recommendation

The 74HC541N is a reliable choice for any project requiring clean signal buffering and bus isolation. Its robust design and wide voltage range make it a staple for both hobbyists and professionals. For enhanced performance, consider pairing with 74HCT541 for TTL-compatible inputs. At MOKWN, we recommend this IC for its versatility and proven track record in embedded systems.

Order your 74HC541N today from MOKWN Egypt and ensure your digital circuits operate at their best!