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Name: 74HC273D
Brand: Toshiba Semiconductor and Storage
SKU: 74HC273D
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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Toshiba Semiconductor and Storage 74HC273D

Part No.:: 74HC273D

Manufacturer:: Toshiba Semiconductor and Storage

Package:: 20-SOIC

Datasheet:: 74HC273D.pdf

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

In Stock:: 3300

Quantity:: Add To Cart

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74HC273D Typical application Circuitry

74HC273D

The 74HC273D is a crucial element within the high-speed CMOS technology family, renowned for its octal D-type flip-flop with clear functionality. This device is specifically designed to hold or store data in digital circuits, making it a vital component for applications requiring data latching, storage, and transfer operations. The octal nature of the 74HC273D means it contains eight D-type flip-flops, each with individual data inputs (D0 to D7) and outputs (Q0 to Q7), synchronized by a common clock (CLK) and a master reset (MR) input. Its utility spans across a wide range of digital systems, from basic data buffering to more complex state storage requirements in computational and control circuitries.

1. Voltage Supply and Grounding Practices: The 74HC273D operates within a voltage supply range of +2V to +6V, aligning with the standard logic levels used in modern digital systems. This flexible voltage range facilitates its integration into various circuits without necessitating special power supply conditions. Powering the device involves connecting pin 20 (VCC) to the positive supply voltage and pin 10 (GND) to the ground. This configuration ensures the 74HC273D receives the appropriate operational voltage for stable performance.

2. Data Inputs and Outputs Configuration: Each of the eight D-type flip-flops within the 74HC273D has a dedicated data input (D0 to D7, pins 3, 4, 5, 6, 13, 14, 15, and 16 respectively) and a corresponding output (Q0 to Q7, pins 2, 1, 20, 19, 18, 17, 12, and 11 respectively). These inputs and outputs facilitate the flow of data through the flip-flops, allowing for the storage and retrieval of data bits in synchronization with the clock signal.

3. Clock and Master Reset Inputs: The synchronization of data latching is controlled by a common clock input (CLK, pin 11) that triggers the storage of data from the D inputs to the Q outputs on the rising edge. Additionally, the master reset input (MR, pin 9) is provided to simultaneously clear all flip-flops, setting all outputs to a low state when a high logic level is applied. This feature is essential for initializing the system state during power-up or after a critical event requiring system reset.

4. Power Supply Noise Mitigation: To ensure the 74HC273D operates without interference from power supply fluctuations, a decoupling capacitor (typically 0.1 µF) is recommended between the VCC and GND pins, positioned as close to the device as possible. This capacitor acts to smooth out transient voltage spikes and dips, maintaining a stable voltage level for the device's operation.

5. Circuit Implementation and Layout Recommendations: When integrating the 74HC273D into a digital circuit, it is essential to consider the routing of clock and data signals to minimize signal integrity issues. Keeping signal paths short and using controlled impedance traces for the clock line can help reduce signal distortion and improve the reliability of data latching. Additionally, careful placement of the master reset line, ensuring it is shielded from accidental triggering, is crucial for maintaining the desired operational state.

In essence, the 74HC273D embodies the versatility and reliability of high-speed CMOS technology, offering precise data storage capabilities essential for digital logic systems. Its integration into a circuit demands attention to power supply integrity, signal routing, and system initialization procedures to fully leverage its potential in data latching and storage applications. Whether employed in simple buffering tasks or complex digital architectures, the 74HC273D stands as a testament to the sophistication and efficacy of modern digital components.

74HC273D information

74HC273D Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
74HC
ProductStatus:
Active
Function:
Master Reset
Type:
D-Type
OutputType:
Non-Inverted
NumberofElements:
1
NumberofBitsperElement:
8
ClockFrequency:
66 MHz
MaxPropagationDelay@VMaxCL:
25ns @ 6V, 50pF
TriggerType:
Positive Edge
Current-OutputHighLow:
5.2mA, 5.2mA
Voltage-Supply:
2V ~ 6V
Current-Quiescent(Iq):
4 µA
InputCapacitance:
3 pF
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

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6. What is the process for return or replacement of 74HC273D?

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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 74HC273D.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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