TC74ACT573P(F)

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Octal D-Type Transparent Latch with 3-State Outputs
• Package: PDIP-20, SOP-20, SSOP-20
• Essence: The TC74ACT573P(F) is a latch IC that can store and output digital data. It has eight individual latches with 3-state outputs.
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier.

Specifications

• Supply Voltage: 2.0V to 6.0V
• High-Level Input Voltage: 2.0V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 80MHz
• Propagation Delay Time: 7ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC74ACT573P(F) has a total of 20 pins. Here is the detailed pin configuration:

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 - Power Supply

Functional Features

• Octal D-Type Transparent Latch: The TC74ACT573P(F) can store and latch eight individual bits of digital data.
• 3-State Outputs: Each latch has a 3-state output, allowing for high impedance when not enabled.
• Output Enable (OE) Pin: The OE pin controls the output state of all eight latches simultaneously.
• Latch Enable (LE) Pin: The LE pin controls the latching operation, allowing data to be stored or updated.

Advantages and Disadvantages

Advantages: - High operating frequency allows for fast data transfer. - 3-state outputs provide flexibility in connecting multiple devices. - Wide supply voltage range enables compatibility with various systems.

Disadvantages: - Limited number of latches (8) may not be sufficient for certain applications requiring more storage capacity. - Propagation delay time may affect real-time applications that require immediate response.

Working Principles

The TC74ACT573P(F) operates by receiving digital data inputs (D0-D7) and storing them in the respective latches. The latch enable (LE) pin controls the latching operation, while the output enable (OE) pin determines the output state. When the LE pin is active, the data inputs are latched and stored. The OE pin enables or disables the output, allowing the stored data to be read or isolated from the output bus.

Detailed Application Field Plans

The TC74ACT573P(F) can be used in various applications, including but not limited to: 1. Microprocessor-based systems 2. Data storage and retrieval systems 3. Communication equipment 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74ACT573: Similar octal D-type transparent latch with 3-state outputs, offered by Texas Instruments.
2. MC74ACT573: Octal transparent latch with 3-state outputs, available from ON Semiconductor.
3. CD74ACT573: CMOS octal transparent latch with 3-state outputs, manufactured by Texas Instruments.

These alternative models offer similar functionality and can be considered as substitutes for the TC74ACT573P(F).

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