MC74LCX573DTR2

Product Overview

• Category: Integrated Circuit
• Use: Digital Logic Level Shifter
• Characteristics: High-speed, low-voltage, octal transparent latch
• Package: TSSOP-20
• Essence: The MC74LCX573DTR2 is a high-performance octal transparent latch designed for low-voltage applications. It operates at a voltage range of 1.65V to 3.6V and provides fast switching speeds with minimal power consumption.
• Packaging/Quantity: The MC74LCX573DTR2 is available in tape and reel packaging with 2500 units per reel.

Specifications

• Logic Family: LCX
• Number of Bits: 8
• Latch Type: Transparent
• Input Voltage Range: 1.65V to 3.6V
• Output Voltage Range: 0V to VCC
• Propagation Delay: 4.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LCX573DTR2 has a TSSOP-20 package with the following pin configuration:

+---+--+---+ OE -|1 +--+ 20|- VCC D0~7-|2 19|- Q0~7 GND -|3 18|- LE D8~15|4 17|- CP D16~23|5 16|- D0~7 D24~31|6 15|- GND NC -|7 14|- D8~15 NC -|8 13|- D16~23 NC -|9 12|- D24~31 NC -|10 11|- NC +----------+

Functional Features

• Octal transparent latch with 3-state outputs
• Low-voltage operation suitable for battery-powered devices
• High-speed switching for efficient data transfer
• Wide operating temperature range for versatile applications
• ESD protection on all inputs and outputs for enhanced reliability

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with various systems - Fast propagation delay ensures quick data transfer - ESD protection enhances the reliability of the device - Compact TSSOP package saves board space

Disadvantages: - Limited number of bits (8) may not be sufficient for certain applications requiring higher bit counts - Not suitable for high-voltage applications

Working Principles

The MC74LCX573DTR2 is an octal transparent latch that can store and output 8 bits of digital data. It operates by latching the input data when the latch enable (LE) signal is active. The stored data remains unchanged as long as the LE signal is active. When the LE signal is inactive, the latch becomes transparent, allowing the input data to pass through to the output pins.

The device also features 3-state outputs, which means the outputs can be disabled by asserting the output enable (OE) signal. This feature allows multiple devices to share a common bus without interfering with each other's outputs.

Detailed Application Field Plans

The MC74LCX573DTR2 is commonly used in various digital systems where level shifting and data storage are required. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data acquisition systems
4. Industrial automation
5. Consumer electronics

Detailed and Complete Alternative Models

1. SN74LVC573A: Octal transparent latch with 3-state outputs, operates at a voltage range of 1.65V to 5.5V.
2. CD74HC573: High-speed CMOS octal latch with 3-state outputs, operates at a voltage range of 2V to 6V.
3. 74HCT573: Octal D-type transparent latch with 3-state outputs, operates at a voltage range of 4.5V to 5.5V.

These alternative models offer similar functionality and can be considered as substitutes for the MC74LCX573DTR2 depending on specific requirements and compatibility with the system.

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