TC74LCX573FTEL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The TC74LCX573FTEL is a versatile IC that allows for bidirectional voltage level shifting between different logic levels.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: 1.65V to 3.6V
• Logic Family: LCX
• Number of Flip-Flops: 8
• Output Type: 3-state
• Propagation Delay: 2.5ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC74LCX573FTEL has a total of 20 pins arranged as follows:

+-----+ OE1 |1 20| VCC D0 |2 19| D7 D1 |3 18| GND D2 |4 17| Q7 D3 |5 16| Q6 D4 |6 15| Q5 D5 |7 14| Q4 D6 |8 13| Q3 LE |9 12| Q2 CP |10 11| Q1 +-----+

Functional Features

• Bidirectional voltage level shifting: Allows for seamless communication between devices operating at different logic levels.
• High-speed operation: The TC74LCX573FTEL offers fast propagation delay, enabling efficient data transfer.
• 3-state outputs: Provides flexibility by allowing the outputs to be in a high-impedance state when not actively driving the bus.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enhances overall system performance. - 3-state outputs provide flexibility in bus sharing scenarios.

Disadvantages: - Limited number of flip-flops (8) may restrict its use in applications requiring more storage elements. - TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The TC74LCX573FTEL operates by receiving input data on the D0-D7 pins. The LE (Latch Enable) pin is used to capture the input data and store it in the flip-flops. The CP (Clock Pulse) pin controls the timing of data capture. The outputs (Q1-Q7) reflect the stored data and can drive external circuitry. The OE1 (Output Enable) pin enables or disables the outputs, allowing for bus sharing.

Detailed Application Field Plans

The TC74LCX573FTEL finds applications in various fields, including:

1. Microcontrollers: Enables communication between microcontrollers operating at different logic levels.
2. Communication Systems: Facilitates level shifting in serial communication interfaces such as UART, SPI, and I2C.
3. Data Acquisition: Allows interfacing between analog sensors and digital processing units.
4. Industrial Automation: Used in control systems to interface between different logic level devices.
5. Embedded Systems: Enables integration of components with varying voltage requirements.

Detailed and Complete Alternative Models

1. SN74LVC573A: Similar octal D-type flip-flop with 3-state outputs, offered by Texas Instruments.
2. MC74LCX573: Octal D-type flip-flop with 3-state outputs, provided by ON Semiconductor.
3. CD74HC573: High-speed CMOS logic octal transparent latch with 3-state outputs, available from Texas Instruments.

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

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