SN74LS273NSR
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Texas Instruments SN74LS273NSR

Manufacturer No:
SN74LS273NSR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC FF D-TYPE SNGL 8BIT 20SO
Delivery:
Payment:
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Product Introduction

Overview

The SN74LS273NSR is a monolithic, positive-edge-triggered octal D-type flip-flop integrated circuit produced by Texas Instruments. This device utilizes TTL (Transistor-Transistor Logic) circuitry and features a direct clear input. It is designed to implement D-type flip-flop logic, where information at the D inputs is transferred to the Q outputs on the positive-going edge of the clock pulse. The SN74LS273NSR is part of the 74LS series, known for its low power consumption and high noise immunity.

Key Specifications

Parameter Unit Min Nom Max
Supply Voltage (VCC) V 4.5 5 5.5
High-Level Output Current (IOH) µA -400 -400 -400
Low-Level Output Current (IOL) mA 4 8 8
Clock Frequency (fclock) MHz 0 30 30
Propagation Delay Time (tPHL, tPLH) ns 17 27 27
Operating Free-Air Temperature Range °C 0 - 70
Storage Temperature Range °C -65 - 150

Key Features

  • Positive-Edge-Triggered D-Type Flip-Flops: Information at the D inputs is transferred to the Q outputs on the positive-going edge of the clock pulse.
  • Direct Clear Input: Each flip-flop has a direct clear input for resetting the outputs.
  • Buffered Clock and Clear Inputs: Ensures stable and reliable clock and clear signals.
  • Individual Data Inputs: Each flip-flop has an individual data input.
  • Low Power Consumption: Part of the 74LS series, known for low power dissipation (typically 10 milliwatts per flip-flop).
  • High Noise Immunity: Enhanced noise immunity compared to other TTL series.

Applications

  • Buffer/Storage Registers: Used for temporary data storage and buffering.
  • Shift Registers: Can be configured to form shift registers for serial data processing.
  • Pattern Generators: Useful in generating specific patterns or sequences of data.
  • General Logic Circuits: Can be used in various digital logic circuits requiring flip-flop functionality.

Q & A

  1. What is the SN74LS273NSR?

    The SN74LS273NSR is a monolithic, positive-edge-triggered octal D-type flip-flop integrated circuit produced by Texas Instruments.

  2. What is the typical power dissipation of the SN74LS273NSR?

    The typical power dissipation is 10 milliwatts per flip-flop.

  3. What is the maximum clock frequency for the SN74LS273NSR?

    The maximum clock frequency is typically 30 MHz, but can go up to 40 MHz under certain conditions.

  4. What is the operating free-air temperature range for the SN74LS273NSR?

    The operating free-air temperature range is from 0°C to 70°C.

  5. Does the SN74LS273NSR have a direct clear input?
  6. What are some common applications of the SN74LS273NSR?
  7. What is the propagation delay time for the SN74LS273NSR?
  8. What is the storage temperature range for the SN74LS273NSR?
  9. Does the SN74LS273NSR have individual data inputs for each flip-flop?
  10. What is the high-level output current (IOH) for the SN74LS273NSR?

Product Attributes

Function:Master Reset
Type:D-Type
Output Type:Non-Inverted
Number of Elements:1
Number of Bits per Element:8
Clock Frequency:40 MHz
Max Propagation Delay @ V, Max CL:27ns @ 5V, 15pF
Trigger Type:Positive Edge
Current - Output High, Low:400µA, 8mA
Voltage - Supply:4.75V ~ 5.25V
Current - Quiescent (Iq):27 mA
Input Capacitance:- 
Operating Temperature:0°C ~ 70°C (TA)
Mounting Type:Surface Mount
Supplier Device Package:20-SO
Package / Case:20-SOIC (0.209", 5.30mm Width)
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Similar Products

Part Number SN74LS273NSR SN74LS273NS
Manufacturer Texas Instruments Texas Instruments
Product Status Active Active
Function Master Reset -
Type D-Type -
Output Type Non-Inverted -
Number of Elements 1 -
Number of Bits per Element 8 -
Clock Frequency 40 MHz -
Max Propagation Delay @ V, Max CL 27ns @ 5V, 15pF -
Trigger Type Positive Edge -
Current - Output High, Low 400µA, 8mA -
Voltage - Supply 4.75V ~ 5.25V -
Current - Quiescent (Iq) 27 mA -
Input Capacitance - -
Operating Temperature 0°C ~ 70°C (TA) -
Mounting Type Surface Mount -
Supplier Device Package 20-SO -
Package / Case 20-SOIC (0.209", 5.30mm Width) -

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