SN74HC273NSR

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SN74HC273NSR

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IC FF D-TYPE SINGLE 8-BIT 20-SO

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Attribut Wert
Series 74HC
Part Status Active
Base Product Number 74HC273
Function Master Reset
Type D-Type
Output Type Non-Inverted
Number of Elements 1
Number of Bits per Element 8
Clock Frequency 60 MHz
Max Propagation Delay @ V, Max CL 27ns @ 6V, 50pF
Trigger Type Positive Edge
Current - Output High, Low 5.2mA, 5.2mA
Voltage - Supply 2V ~ 6V
Current - Quiescent (Iq) 8 µA
Input Capacitance 3 pF
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 20-SO
Package 20-SOIC (0.209", 5.30mm Width)
Packaging Cut Tape (CT), Tape & Reel (TR)

Übersicht

Description

The SN74HC273NSR is a high-speed CMOS octal D-type flip-flop with a direct clear input, commonly used in digital circuits for data storage and transfer. It features eight edge-triggered D-type flip-flops with individual D inputs and Q outputs, making it ideal for applications requiring temporary data storage or the synchronization of data. The device operates over a wide voltage range, typically 2V to 6V, and is characterized by low power consumption and high noise immunity, thanks to its CMOS technology.
This IC is part of the 74HC series and complies with the JEDEC standard, ensuring compatibility with TTL logic levels. It supports a maximum input frequency of around 77 MHz, making it suitable for high-speed applications. The direct clear input allows for quick reset of all outputs to a low state, providing effective control in various logic operations. The SN74HC273NSR is typically housed in a small-outline integrated circuit (SOIC) package, facilitating compact circuit designs. Its versatility makes it useful in applications like digital data processing, memory control, and communication systems.

Equivalent

The SN74HC273NSR is a 3-state octal D-type flip-flop. Equivalent products include:
1. 74HC273: From various manufacturers like NXP, ON Semiconductor, and STMicroelectronics.
2. CD74HC273: From Texas Instruments.
3. MM74HC273: From Fairchild Semiconductor.
4. MC74HC273: From ON Semiconductor.
These parts share similar functionalities and performance characteristics, making them suitable replacements. Always check datasheets for compatibility regarding pin configuration, voltage ratings, and timing specifications.

Features

The SN74HC273NSR is an octal D-type flip-flop with clear, part of the 74HC logic family. It features:
1. High-speed CMOS Technology: Delivers fast switching times and low power consumption.
2. Eight D-type Flip-flops: Each flip-flop is edge-triggered and incorporates a direct clear (CLR) input.
3. Positive-edge Triggering: Data at the D inputs is transferred to the Q outputs on the positive edge of the clock pulse.
4. Asynchronous Clear: The CLR input can reset all the Q outputs to low independent of the clock.
5. Wide Operating Voltage: Functions over a range of 2V to 6V.
6. High Noise Immunity: Provides robust performance in noisy environments.
7. Tri-state Outputs: Allows for the connection of multiple outputs to a common bus line.
8. Standard Pin Configuration: Compatible with standard D-type flip-flop pinouts.
Ideal for applications requiring data storage, data transfer, and sequencing logic, the SN74HC273NSR offers reliable performance in digital circuits.

Pinout

The SN74HC273NSR is a high-speed CMOS logic device that operates as an octal D-type flip-flop with clear functionality. It is part of the 74HC series of integrated circuits. The IC is housed in a small-outline package and features 20 pins.
Here is a brief overview of the pin functions:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. Pins 1-8, 19-20: Data input pins (D0-D7).
4. Pins 9-16: Corresponding outputs (Q0-Q7) for each data input.
5. Pin 17: Clock input (CLK), triggers data transfer on the rising edge.
6. Pin 18: Asynchronous clear input (CLR), which resets all outputs to low when activated.
This device is used in applications requiring data storage or data transfer, such as registers and memory units, and operates over a wide voltage range, making it versatile for various digital applications.

Manufacturer

The SN74HC273NSR is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and integrated circuits. They are one of the largest producers of analog technology components, digital signal processors, and microcontrollers. Founded in 1930 and headquartered in Dallas, Texas, TI serves various industries including industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is known for its innovation and extensive product portfolio, which addresses a wide range of electronic design needs.

Application

The SN74HC273NSR is an octal D-type flip-flop used in various digital applications. Its primary application areas include data storage and transfer, state retention in digital systems, buffering and interfacing between different logic levels, and clocked data latching. It's commonly used in microcontrollers, microprocessors, and FPGA systems for tasks like temporary data storage, register implementation, and synchronization tasks. It's also suited for use in embedded systems, communication systems, and consumer electronics where reliable data retention and signal processing are essential. The device is valued for its low power consumption, high-speed operation, and ability to interface with TTL devices.

Package

The SN74HC273NSR is an 8-bit flip-flop with a direct clear function, and it comes in a surface-mount package type known as the SO (Small Outline) package, specifically the SOIC-20 (Small Outline Integrated Circuit) with 20 pins.

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