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Description
Octal D-type transparent latch
3-state
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
FEATURES
● Inputs and outputs on opposite sides of package allowing easy interface with microprocessors
● Useful as input or output port for microprocessors/microcomputers
● 3-state non-inverting outputs for bus oriented applications
● Common 3-state output enable input
● Functionally identical to the "563”and "373”
● Output capability: bus driver
● ICC category: MSI
GENERAL DESCRIPTION
The 74HC/HCT573 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL(LSTTL).They are specified in compliance with JEDEC standard no.7A.
The 74HC/HCT573 are octal D-type transparent latches featuring separate D-type inputs for each latch and 3-state outputs for bus oriented applications.
A latch enable (LE) input and an output enable (OE) input are common to all latches.
The "573”consists of eight D-type transparent latches with 3-state true outputs. When LE is HIGH, data at the Dn inputs enter the latches. In this condition the latches are transparent,i.e.a latch output will change state each time its corresponding D-input changes.
When LE is LOW the latches store the information that was present at the D-inputs a set-up time preceding the HIGH-to-LoW transition of LE.
When OE is Low, the contents of the 8 latches are available at the outputs. When OE is HIGH, the outputs go to the high impedance OFF-state.Operation of the OE input does not affect the state of the latches.
The "573" is functionally identical to the "563" and "373", but the "563" has inverted outputs and the "373" has a different pin arrangement.
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $1.09120 | US $0.98208 | US $0.98208 |
| ≥5: | US $0.81840 | US $0.73656 | US $3.68280 |
| ≥10: | US $0.49104 | US $0.44194 | US $4.41940 |
| ≥20: | US $0.47740 | US $0.42966 | US $8.59320 |
| ≥50: | US $0.46376 | US $0.41738 | US $20.86900 |
| ≥100: | US $0.45012 | US $0.40511 | US $40.51100 |
| ≥200: | US $0.43648 | US $0.39283 | US $78.56600 |
| ≥500: | US $0.43102 | US $0.38792 | US $193.96000 |
| ≥1000: | US $0.42284 | US $0.38056 | US $380.56000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| 74HC574 | Octal D-type transparent latch with 3-state outputs, similar to 74HC573 but with an additional output enable control. |
| 74HCT573 | Octal D-type transparent latch with 3-state outputs, designed for TTL logic levels, compatible with 74HC573. |
| 74LV573 | Octal D-type transparent latch with 3-state outputs, low-voltage version, suitable for lower power consumption applications. |
| 74LVC573 | Octal D-type transparent latch with 3-state outputs, very low voltage and low power consumption, compatible with 74HC573. |
| 74ACT573 | Octal D-type transparent latch with 3-state outputs, advanced CMOS technology, provides high-speed performance, compatible with 74HC573. |
Product Usage
The 74HC573D is a high-speed CMOS octal D-type transparent latch with 3-state outputs. This type of IC is commonly used in digital circuits for various purposes, including data buffering, signal conditioning, and temporary storage of data. Here are some specific applications and circuits where the 74HC573D might be used:
Data Bus Buffers:
Memory Interface:
Parallel Data Transfer:
LED Drivers:
Input/Output Expansion:
Signal Multiplexing:
Digital Logic Circuits:
Test Equipment:
Industrial Control Systems:
Audio and Video Systems:
These are just a few examples of the many applications where the 74HC573D can be found. Its versatility and reliability make it a popular choice in a wide range of digital circuit designs.
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74HC573D
74HC573D has several brands around the world that may have alternate names for 74HC573D due to regional differences or acquisition. 74HC573D may also be known as the following names:
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