SN54LS373J

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SN54LS373J

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IC D-TYPE TRANSP 8:8 20-CDIP

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Thông số kỹ thuật

thuộc tính Giá trị
Series 54LS
Part Status Active
Logic Type D-Type Transparent Latch
Circuit 8:8
Output Type Tri-State, Non-Inverted
Voltage - Supply 4.5V ~ 5V
Independent Circuits 1
Delay Time - Propagation 20ns
Current - Output High, Low 1mA, 12mA
Operating Temperature -55°C ~ 125°C
Mounting Type Through Hole
Package / Case 20-CDIP (0.300", 7.62mm)
Supplier Device Package 20-CDIP

Tổng quan

Description

The SN54LS373J is a high-speed, octal transparent latch designed for use in digital circuits. It features eight data inputs, eight data outputs, and control inputs for enabling or disabling the latching function. When the latch enable (LE) input is high, data present at the inputs is passed to the outputs. When LE is low, the outputs retain the last input data, making it useful for data storage and transfer applications.
The SN54LS373J operates from a single 5V power supply and is part of Texas Instruments' LS (Low Power Schottky) series, which provides improved speed and power consumption compared to earlier TTL devices. It has a typical propagation delay of around 15 ns, allowing for fast operation in high-speed applications.
This device is commonly used in memory storage, data routing, and temporary data holding applications in various digital logic circuits, including microprocessors and microcontrollers. Its specific J suffix indicates a ceramic package for enhanced thermal performance and reliability.

Equivalent

The SN54LS373J chip, a octal transparent latch, has several equivalent products, including the SN74LS373N, 74HC373, and 74HCT373. These alternatives may vary in power supply voltage, speed, and logic family, but they serve similar functions in digital circuits. Always check the specific datasheets for compatibility in your application.

Features

The SN54LS373J is an octal transparent latch designed for use in digital circuits. Key features include:
1. Octal Latch: It can store eight bits of data, making it suitable for parallel data storage.
2. Transparent Mode: Data present at the inputs (D) is passed to the outputs (Q) when the latch is enabled (LE high).
3. Control Inputs: It includes a latch enable (LE) and an output enable (OE) pin for controlling data flow.
4. TTL Compatible: The device is compatible with TTL (Transistor-Transistor Logic) levels.
5. High Speed: Operating at speeds up to 25 ns for fast data processing.
6. Power Supply: Typically operates on a 5V power supply.
7. Temperature Range: Military-grade version (SN54) supports extended temperature ranges.
8. Package Type: Available in a 20-pin dual in-line package (DIP).
This device is ideal for applications requiring temporary data storage and controlling data flow in digital systems.

Pinout

The SN54LS373J is an octal transparent latch designed for use in digital circuits. It features a total of 20 pins.
Pin Count: 20 pins
Functions:
- Data Inputs (D0-D7): Pins 2-9 receive the input data.
- Latch Enable (LE): Pin 1 enables the latch; when high, data is transferred from the inputs to the outputs.
- Output Enable (OE): Pin 10 controls the output; when low, the outputs are enabled; when high, the outputs are in a high-impedance state.
- Outputs (Q0-Q7): Pins 11-18 provide the latched output data.
- Ground (GND): Pin 19 connects to ground.
- VCC: Pin 20 connects to the positive supply voltage (typically +5V).
The device is useful for temporary storage and data manipulation in various digital applications.

Manufacturer

The SN54LS373J is manufactured by Texas Instruments (TI), a major American technology company. Founded in 1930, Texas Instruments is well-known for its semiconductor products and integrated circuits, particularly in analog, digital signal processing, and embedded processing. The company plays a significant role in the design and manufacturing of various electronic components, including microcontrollers, processors, and a range of logic devices.
The SN54LS373J specifically is a line of octal transparent latches, which are used in various digital applications to store and manage data. Texas Instruments is recognized for its innovation in the semiconductor industry and serves a wide array of markets, including telecommunications, automotive, industrial, and consumer electronics. TI is also known for its commitment to research and development, continuously advancing technology solutions for its clients worldwide.

Application

The SN54LS373J is a quad tri-state octal latch designed for data storage and transfer in digital circuits. Its primary application areas include:
1. Data Buffers and Latches: Used for temporarily storing data in systems like microprocessors and data buses.
2. Memory Management: Acts as a buffer for memory interface, facilitating data flow between memory and processors.
3. Control Systems: Serves in control applications where multiple signal lines need to be managed efficiently.
4. Bus Interface: Utilized in parallel data transfer applications in communication buses.
5. Logic Circuits: Functions within larger logic systems for controlling signal pathways in complex circuits.
These applications leverage its ability to maintain state while being able to tri-state outputs for efficient bus management.

Package

The SN54LS373J is a dual in-line package (DIP) type, specifically in a 20-pin configuration.

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