MM74HC541SJ

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: High-Speed, Octal Buffer/Line Driver with 3-State Outputs
• Package: 20-Pin Small Outline Integrated Circuit (SOIC)
• Essence: The MM74HC541SJ is a versatile logic level shifter that can be used to interface between different voltage levels in digital circuits.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.1V
• Low-Level Output Voltage: 0.1V
• Maximum Input Current: ±1µA
• Maximum Quiescent Supply Current: 4µA
• Maximum Output Current: ±25mA
• Maximum Propagation Delay: 13ns

Pin Configuration

The MM74HC541SJ has a total of 20 pins arranged as follows:

+---\/---+ A1 -|1 20|- VCC A2 -|2 19|- B1 A3 -|3 18|- B2 A4 -|4 17|- B3 A5 -|5 16|- B4 A6 -|6 15|- B5 A7 -|7 14|- B6 A8 -|8 13|- B7 GND -|9 12|- B8 OE -|10 11|- GND +--------+

Functional Features

• Octal Buffer/Line Driver: The MM74HC541SJ can drive up to eight lines with high-speed buffering capability.
• 3-State Outputs: The outputs of the MM74HC541SJ can be put into a high-impedance state, allowing multiple devices to share a common bus without interference.
• Logic Level Shifting: The MM74HC541SJ can shift logic levels between different voltage domains, enabling communication between circuits operating at different voltages.

Advantages and Disadvantages

Advantages: - High-Speed Operation: The MM74HC541SJ is capable of operating at high frequencies, making it suitable for use in fast digital systems. - Versatility: The MM74HC541SJ can be used in a wide range of applications due to its logic level shifting and buffering capabilities. - 3-State Outputs: The ability to put the outputs in a high-impedance state allows for efficient bus sharing.

Disadvantages: - Limited Voltage Range: The MM74HC541SJ is designed to operate within a supply voltage range of 2V to 6V, which may not be suitable for all applications. - Power Consumption: While the quiescent supply current is relatively low, the maximum output current can result in higher power consumption when driving heavy loads.

Working Principles

The MM74HC541SJ operates by receiving input signals on the A1-A8 pins and buffering them to the corresponding B1-B8 output pins. The OE pin controls the output enable/disable function, allowing the outputs to be put into a high-impedance state when necessary. The device uses CMOS technology, providing high-speed operation and low power consumption.

Detailed Application Field Plans

The MM74HC541SJ can be used in various applications, including but not limited to:

1. Microcontroller Interfacing: The MM74HC541SJ can be used to interface between a microcontroller and other peripheral devices operating at different voltage levels.
2. Level Shifting: It can be used to shift logic levels between different voltage domains, enabling communication between circuits with incompatible voltage requirements.
3. Bus Sharing: The 3-state outputs of the MM74HC541SJ make it suitable for bus sharing applications, where multiple devices need to access a common bus without interference.

Detailed and Complete Alternative Models

1. SN74HC541: This is a similar octal buffer/line driver IC from Texas Instruments that offers comparable features and performance.
2. CD74HC541: Another alternative from Texas Instruments, offering similar functionality and pin configuration as the MM74HC541SJ.
3. MC74HC541: This alternative model from ON Semiconductor provides equivalent functionality and compatibility with the MM74HC541SJ.

These alternative models can be considered based on specific requirements and availability in the market.

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