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Name: 74HC574DB,112
Brand: Nexperia USA Inc.
SKU: 74HC574DB,112
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Nexperia USA Inc. 74HC574DB,112

Part No.:: 74HC574DB,112

Manufacturer:: Nexperia USA Inc.

Package:: 20-SSOP

Datasheet:: 74HC574DB,112.pdf

Description:: IC FF D-TYPE SNGL 8BIT 20SSOP

In Stock:: 2855

Quantity:: Add To Cart

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74HC574DB,112 Specifications

Packaging:
Bulk,Tube
Series:
74HC
ProductStatus:
Obsolete
Function:
Standard
Type:
D-Type
OutputType:
Tri-State, Non-Inverted
NumberofElements:
1
NumberofBitsperElement:
8
ClockFrequency:
133 MHz
MaxPropagationDelay@VMaxCL:
26ns @ 6V, 50pF
TriggerType:
Positive Edge
Current-OutputHighLow:
7.8mA, 7.8mA
Voltage-Supply:
2V ~ 6V
Current-Quiescent(Iq):
8 µA
InputCapacitance:
3.5 pF
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

74HC574DB,112 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HC574DB,112 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for 74HC574DB,112 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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74HC574DB,112 information

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74HC574DB,112 Typical application Circuitry

74HC574DB,112

The 74HC574DB,112 is a high-speed Si-gate CMOS device and a part of the 74HC family, specifically an octal D-type flip-flop with 3-state outputs.

Application Scenarios

The 74HC574DB,112 is widely utilized in digital data processing, communication interfaces, and system expansions. It effectively serves as a buffer or storage register in these applications, facilitating the orderly transfer of data. An exemplary application is in the expansion of a microcontroller system, where it can be used to increase the number of output ports.

Microcontroller System Output Expansion

Designing an output expansion module for a microcontroller system with the 74HC574DB,112 requires a detailed plan for connecting and operating the device. Here's a structured approach:

Data Inputs Configuration

Connecting Data Lines: Pins D0 to D7 (Pins 2, 5, 6, 9, 12, 15, 16, 19 of the 74HC574DB,112) are connected to the microcontroller's output ports. This setup allows for the transmission of data from the microcontroller to the flip-flop.

Output to Peripheral Devices

Configuring Outputs: Pins Q0 to Q7 (Pins 18, 13, 14, 11, 8, 7, 4, 1 of the 74HC574DB,112) are connected to the inputs of peripheral devices or the next stage in the system. The 3-state nature of these outputs facilitates their direct connection to a common bus, ensuring minimal interference.

Clock Signal Application

Clock Integration: Pin 11 (CP), the clock input of the 74HC574DB,112, is connected to a clock source, typically derived from the microcontroller. This clock signal coordinates the data capturing with system operations, ensuring data is latched at the appropriate times.

Output Control Mechanism

Managing Outputs: The output enable (OE) pin, Pin 9, is crucial for controlling the state of the outputs. Activating OE allows data to be presented on the outputs; deactivating it (setting it high) places the outputs in a high-impedance state, disconnecting the 74HC574DB,112 from the bus or peripheral devices.

Circuit Design Considerations

When incorporating the 74HC574DB,112 into circuit designs, several key aspects should be considered:

- Timing Synchronization: Ensure the data presented to the D inputs is stable before the rising edge of the clock signal to guarantee accurate data storage.

- Power Supply Configuration: A stable power supply is vital. The 74HC574DB,112 typically operates at +5V (Vcc, Pin 20), with ground connected to Pin 10 (GND). Fluctuations in the power supply can adversely affect the device's operation.

- Avoiding Bus Contention: Given the device's 3-state outputs, it's crucial to design the control logic to prevent multiple devices from driving the bus simultaneously, which could lead to data corruption.

- Signal Integrity Maintenance: High-speed or noisy environments necessitate careful layout practices, including short trace lengths and proper decoupling, to preserve signal integrity and prevent interference.

Utilizing the 74HC574DB,112 for microcontroller system output expansion exemplifies the device's potential to enhance digital systems. Its ability to store and interface data, combined with the operational flexibility afforded by its 3-state outputs, underscores its value in complex circuit designs. Mastery of the 74HC574DB,112's specifications and operational requirements is crucial for the successful implementation of robust and efficient digital solutions.

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6. What is the process for return or replacement of 74HC574DB,112?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 74HC574DB,112.

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