SN74AHC573PWR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-1104-2-ND |
Manufacturer Part#: |
SN74AHC573PWR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC OCT TRNSP D-TYP LATCH 20TSSOP |
More Detail: | D-Type Transparent Latch 1 Channel 8:8 IC Tri-Stat... |
DataSheet: | SN74AHC573PWR Datasheet/PDF |
Quantity: | 36000 |
Series: | 74AHC |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Logic Type: | D-Type Transparent Latch |
Circuit: | 8:8 |
Output Type: | Tri-State |
Voltage - Supply: | 2 V ~ 5.5 V |
Independent Circuits: | 1 |
Delay Time - Propagation: | 1ns |
Current - Output High, Low: | 8mA, 8mA |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 20-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 20-TSSOP |
Base Part Number: | 74AHC573 |
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Logic-latches are useful circuits that can help retain logical states indefinitely. The SN74AHC573PWR is a type of latch used in digital electronic designs. This latch uses a timer to hold electrical states, allowing designers to create more intricate systems. In this article, we will discuss the application field, working principle, as well as related considerations when building circuits with the SN74AHC573PWR.
The SN74AHC573PWR is a dual-input latch for CMOS-based designs. It is an edge-triggered device that utilizes two inputs, a set (S) and a reset (R). Both S and R must be stable before the device will latch, ensuring that there is no unintended latch state. The device also uses an inverted input for each, enabling designers to further refine their systems. This latch is commonly used in applications such as processor-based systems, memory protection systems, and analog/digital converters. It is also useful in applications that require durable latch circuitry and provide a high level of noise immunity.
The SN74AHC573PWR operates using the concept of positive edge-triggered switching. To latch either the S or R input, the signal must transition from low to high. Once the signal has triggered, the device will remain latched until the values of S or R switch back to their initial states. This device features tight +-25 nS timing so that the device is capable of latching minimal cycle times. Data that enters the device is stored for a fixed duration, allowing for more complex systems.
One of the main advantages of the SN74AHC573PWR is its noise immunity. As mentioned previously, the transition from low to high must be clean for the device to latch. The device also filters out unwanted input through the use of hysteresis, where the R input must be lower than the S input for a clean latching transition. Additionally, the device is designed for +-4-kV ESD protection to prevent accidental triggering due to external electrical sources.
Another advantage of the SN74AHC573PWR is its adjustable latch duration. This device uses a programmable timing resistor that sets the duration of the latch. By turning the resistor, designers can set the latch duration as long or as short as they need. This allows for more control over their designs and ensures that the latch duration is suitable for their circuit.
When building circuits with the SN74AHC573PWR, designers must be careful to make sure that the logic circuit meets device specifications. The logic circuit should also be designed to provide the correct transition from low to high for both S and R inputs. In addition, it is important to verify that the system is able to function properly under various conditions, such as temperature and power supply fluctuations. Finally, designers should consider how the device will respond to noise in the system.
In conclusion, the SN74AHC573PWR is a reliable latch for digital circuit designs. It offers excellent noise immunity and adjustable latch duration, allowing designers to create more intricate systems. When constructing circuits with this device, designers must consider various factors, such as system specifications, condition, and noise immunity. Properly implemented, the SN74AHC573PWR can provide a robust and dependable latch for digital designs.
The specific data is subject to PDF, and the above content is for reference
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