Encyclopedia Entry: 74AHC573D-Q100J

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics: High-speed, Octal D-type Transparent Latch with 3-state Outputs
• Package: SOIC-20
• Essence: The 74AHC573D-Q100J is a versatile IC that provides level shifting capabilities for digital signals. It can be used in various applications where interfacing between different logic levels is required.
• Packaging/Quantity: The 74AHC573D-Q100J is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 6 ns (max) at 5V supply voltage
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The 74AHC573D-Q100J has a total of 20 pins arranged as follows:

+-----+--+-----+ OE --|1 20|-- VCC D0~7 --|2 19|-- Q0 GND --|3 18|-- Q1 D8~15--|4 17|-- Q2 D16~23--|5 16|-- Q3 D24~31--|6 15|-- Q4 LE --|7 14|-- Q5 CLK --|8 13|-- Q6 A0~2 --|9 12|-- Q7 A3~5 --|10 11|-- GND +-----+--+

Functional Features

• Octal Latch: The 74AHC573D-Q100J consists of eight D-type transparent latches with 3-state outputs. It allows data to be latched and held in each latch independently.
• Level Shifting: This IC provides level shifting capabilities, allowing interfacing between different logic levels. It can convert signals from one voltage level to another, ensuring compatibility between different parts of a digital system.
• High-Speed Operation: With a propagation delay of only 6 ns (maximum) at a 5V supply voltage, the 74AHC573D-Q100J enables fast data transfer and processing.
• 3-State Outputs: The 74AHC573D-Q100J features 3-state outputs, which allow multiple devices to share a common bus without interfering with each other.

Advantages and Disadvantages

Advantages: - Versatile level shifter for digital signals - High-speed operation - 3-state outputs for bus sharing

Disadvantages: - Limited output drive capability (±24 mA)

Working Principles

The 74AHC573D-Q100J operates by latching the input data on the rising edge of the clock signal when the latch enable (LE) input is high. The latched data is then available at the corresponding output pins. The 3-state outputs allow the device to be effectively disconnected from the bus when the output enable (OE) input is low.

Detailed Application Field Plans

The 74AHC573D-Q100J finds applications in various fields where level shifting and data latching are required. Some potential application areas include: 1. Microcontroller interfacing 2. Data communication systems 3. Memory address decoding 4. Bus drivers and receivers 5. Industrial automation

Detailed and Complete Alternative Models

• 74HC573: Similar octal D-type transparent latch, but without automotive qualification.
• 74ACT573: Octal D-type transparent latch with faster speed and higher output drive capability.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheets for a complete list of alternatives.

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