74LVC573ATTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, low-voltage, transparent latch
• Package: TSSOP-20
• Essence: Octal D-type transparent latch
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply voltage range: 1.2V to 3.6V
• Input/output voltage levels: CMOS level
• High-level input voltage: 0.7 x VCC
• Low-level input voltage: 0.3 x VCC
• High-level output voltage: 0.9 x VCC
• Low-level output voltage: 0.1 x VCC
• Maximum operating frequency: 200 MHz
• Propagation delay: 4.5 ns (typical)

Detailed Pin Configuration

The 74LVC573ATTR has a total of 20 pins, which are assigned specific functions as follows:

1. GND: Ground
2. D0: Data input 0
3. D1: Data input 1
4. D2: Data input 2
5. D3: Data input 3
6. D4: Data input 4
7. D5: Data input 5
8. D6: Data input 6
9. D7: Data input 7
10. OE: Output enable
11. LE: Latch enable
12. Q0: Output 0
13. Q1: Output 1
14. Q2: Output 2
15. Q3: Output 3
16. Q4: Output 4
17. Q5: Output 5
18. Q6: Output 6
19. Q7: Output 7
20. VCC: Supply voltage

Functional Features

• Transparent latch with eight data inputs and outputs
• High-speed operation suitable for applications requiring quick data transfer
• Low-voltage operation allows compatibility with various systems
• Output enable and latch enable pins provide control over data storage and output
• CMOS level input/output voltage levels ensure compatibility with other ICs

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-voltage operation reduces power consumption - Compact TSSOP-20 package saves board space - Compatibility with CMOS level signals simplifies integration with other components

Disadvantages: - Limited number of data inputs and outputs (8 in total) - Propagation delay may affect timing-sensitive applications

Working Principles

The 74LVC573ATTR is an octal D-type transparent latch that stores and transfers data. When the latch enable (LE) pin is high, the latch becomes transparent, allowing the data inputs (D0-D7) to pass through to the outputs (Q0-Q7). The output enable (OE) pin controls whether the outputs are active or in a high-impedance state.

When the LE pin is low, the latch holds the previously stored data, regardless of changes in the data inputs. This feature ensures data stability during specific operations. The OE pin can be used to disable the outputs when data transfer is not required.

Detailed Application Field Plans

The 74LVC573ATTR is commonly used in various digital systems where data storage and transfer are essential. Some application fields include:

1. Microcontrollers: Used to interface with external devices, such as sensors and actuators.
2. Communication systems: Facilitates data transmission between different modules or devices.
3. Memory modules: Enables temporary storage of data during read/write operations.
4. Industrial automation: Integrates with control systems to handle data processing and transfer.
5. Consumer electronics: Found in devices like gaming consoles, set-top boxes, and digital TVs.

Detailed and Complete Alternative Models

1. 74HC573: Similar octal D-type transparent latch with TTL level input/output voltage levels.
2. SN74LVCH573A: Octal transparent latch with 3-state outputs and a wider supply voltage range.
3. CD74HCT573: Octal D-type latch with TTL level input/output voltage levels and higher operating frequency.

These alternative models offer similar functionality but may differ in terms of voltage levels, speed, and package options.

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