CD74HCT573DBR

Product Overview

Category: Integrated Circuit (IC)
Use: Octal Transparent D-Type Latches with 3-State Outputs
Characteristics:
- High-speed CMOS technology
- 3-state outputs for bus-oriented applications
- Schmitt-trigger action on all inputs
- Buffered inputs and outputs
- Balanced propagation delays
- Wide operating voltage range: 2V to 6V
Package: SSOP (Shrink Small Outline Package)
Essence: The CD74HCT573DBR is an integrated circuit that provides octal transparent D-type latches with 3-state outputs. It is commonly used in bus-oriented applications where multiple devices need to share data on a common bus.

Specifications

Supply Voltage Range: 2V to 6V
Input Voltage Range: 0V to VCC
Output Voltage Range: 0V to VCC
Operating Temperature Range: -40°C to +85°C
Input Capacitance: 3.5pF
Output Capacitance: 6pF
Propagation Delay Time: 15ns (max)
Output Current: ±6mA

Detailed Pin Configuration

The CD74HCT573DBR has a total of 20 pins, which are arranged as follows:

GND (Ground)
D0 (Data Input 0)
D1 (Data Input 1)
D2 (Data Input 2)
D3 (Data Input 3)
D4 (Data Input 4)
D5 (Data Input 5)
D6 (Data Input 6)
D7 (Data Input 7)
OE (Output Enable)
LE (Latch Enable)
Q0 (Output 0)
Q1 (Output 1)
Q2 (Output 2)
Q3 (Output 3)
Q4 (Output 4)
Q5 (Output 5)
Q6 (Output 6)
Q7 (Output 7)
VCC (Supply Voltage)

Functional Features

Octal transparent D-type latches with 3-state outputs
Schmitt-trigger action on all inputs for noise immunity
Buffered inputs and outputs for improved signal integrity
Balanced propagation delays ensure synchronized data transfer
Output enable (OE) pin allows for tri-state operation, enabling multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed CMOS technology enables fast data transfer - Schmitt-trigger action on inputs provides noise immunity - Buffered inputs and outputs improve signal integrity - Wide operating voltage range allows for flexibility in different applications

Disadvantages: - Limited output current capacity of ±6mA may not be suitable for high-power applications - SSOP package may require specialized equipment for soldering and handling

Working Principles

The CD74HCT573DBR operates as an octal transparent latch with 3-state outputs. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the corresponding outputs (Q0-Q7). The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The CD74HCT573DBR can be used in various applications, including but not limited to: - Data buses in microprocessors and microcontrollers - Address decoding circuits - Memory interfacing - Input/output (I/O) expansion - Parallel-to-serial/serial-to-parallel conversion

Detailed and Complete Alternative Models

Some alternative models to the CD74HCT573DBR include: - SN74HCT573N - MC74HCT573AN - 74HCT573D - CD54HCT573F3A

These alternatives offer similar functionality and can be used as replacements depending on specific requirements and availability.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням CD74HCT573DBR у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of CD74HCT573DBR in technical solutions:

Q: What is CD74HCT573DBR? A: CD74HCT573DBR is a type of octal transparent latch with 3-state outputs, commonly used in digital circuits.
Q: What is the purpose of CD74HCT573DBR? A: CD74HCT573DBR is used to store and control the flow of data in digital systems, allowing for efficient data transfer between different components.
Q: How many bits can CD74HCT573DBR handle? A: CD74HCT573DBR can handle 8 bits of data, as it is an octal latch.
Q: What is the voltage range supported by CD74HCT573DBR? A: CD74HCT573DBR supports a voltage range of 2V to 6V, making it compatible with various digital systems.
Q: Can CD74HCT573DBR be used in both synchronous and asynchronous applications? A: Yes, CD74HCT573DBR can be used in both synchronous and asynchronous applications, depending on the requirements of the system.
Q: What is the maximum operating frequency of CD74HCT573DBR? A: The maximum operating frequency of CD74HCT573DBR is typically around 25 MHz.
Q: Does CD74HCT573DBR have any built-in protection features? A: Yes, CD74HCT573DBR has built-in protection against electrostatic discharge (ESD) and excessive power dissipation.
Q: Can CD74HCT573DBR drive LEDs or other low-power devices directly? A: Yes, CD74HCT573DBR can drive LEDs or other low-power devices directly, as it has 3-state outputs that can sink/source current.
Q: Can CD74HCT573DBR be cascaded to handle more than 8 bits of data? A: Yes, multiple CD74HCT573DBR chips can be cascaded together to handle larger data widths.
Q: What are some typical applications of CD74HCT573DBR? A: CD74HCT573DBR is commonly used in microprocessors, memory systems, and general-purpose digital systems for data storage and control.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.