SN54LS244J

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SN54LS244J

MILITARY 8-CH, 4.5-V TO 5.5-V BI

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사양

Series 54LS
Part Status Active
Logic Type Buffer, Non-Inverting
Number of Elements 2
Number of Bits per Element 4
Input Type Schmitt Trigger
Output Type 3-State
Current - Output High, Low 12mA, 12mA
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -55°C ~ 125°C (TA)
Mounting Type Through Hole
Package / Case 20-CDIP (0.300", 7.62mm)
Supplier Device Package 20-CDIP

개요

Description

The SN54LS244J is an octal buffer/driver integrated circuit (IC) designed for use in digital applications. It belongs to the LS (Low Power Schottky) series, which offers faster switching speeds and lower power consumption compared to earlier TTL (Transistor-Transistor Logic) families.
This device features eight independent buffer/driver circuits that can be used to drive high capacitive loads, making it suitable for interconnecting different parts of a digital system, such as microcontrollers to peripherals. The output drivers are capable of sourcing and sinking significant current, ensuring reliable signal transmission.
The SN54LS244J is characterized by its active-high inputs and outputs and operates with a supply voltage range of 4.75V to 5.25V. It is available in various package types, including DIP (Dual In-line Package) and surface-mount options.
Applications include data bus buffering, signal isolation, and interfacing between different logic families. Its robust design and efficiency make it a popular choice in both consumer electronics and industrial systems.

Features

The SN54LS244J is an octal buffer/driver designed for high-speed data transmission. Key features include:
1. Octal Configuration: It contains eight independent buffers/drivers, suitable for data bus applications.
2. High-Speed Operation: It offers fast switching times, enhancing performance in high-frequency applications.
3. 3-State Outputs: Each output can be in a high, low, or high-impedance state, allowing for efficient bus organization.
4. Wide Supply Voltage Range: Operates with a supply voltage of 4.5V to 5.5V, making it versatile for various systems.
5. Low Power Consumption: Consumes low static and dynamic power, improving energy efficiency in digital circuits.
6. TTL Compatible: Designed to be compatible with TTL logic levels, facilitating integration with existing TTL circuits.
7. Temperature Range: Available for operation over a military temperature range (-55°C to +125°C) for robust applications.
These features make the SN54LS244J suitable for data buffering, driving loads, and enhancing digital signal integrity in various electronic applications.

Package

The SN54LS244J is offered in a dual in-line package (DIP) format. Specifically, it comes in a 16-pin DIP configuration, suitable for through-hole mounting on printed circuit boards.

Pinout

The SN54LS244J is an octal buffer/driver with three-state outputs, designed for high-speed data transmission in digital circuits. It has a total of 20 pins. The key functions and pin assignments are as follows:
- Inputs (A1-A8): Pins 2, 4, 6, 8, 10, 12, 14, 16
- Outputs (Y1-Y8): Pins 3, 5, 7, 9, 11, 13, 15, 17
- Output Enable (OE): Pin 1 (active low, controls the outputs)
- VCC: Pin 20 (power supply)
- GND: Pin 10 (ground)
The device can be used to isolate different sections of a circuit or drive loads without loading down the preceding stages. It is especially useful in bus systems for data flow management. The logic levels are compatible with TTL, making it suitable for various digital applications.

Manufacturer

The SN54LS244J is manufactured by Texas Instruments (TI), a well-known American technology company. Founded in 1930, Texas Instruments specializes in semiconductors and various integrated circuits, including digital signal processors and analog chips. The company also develops a wide range of products for applications in industrial, automotive, communications, and consumer electronics. TI is recognized for its innovation in the field of electronic components and has a significant global presence in the semiconductor industry.

Application

The SN54LS244J is an octal buffer/driver used in digital circuits for signal distribution and isolation. It is commonly applied in data bus systems, memory interfacing, and as a line driver for communication interfaces. Its ability to drive multiple loads makes it suitable for use in high-speed logic circuits, fan-out applications, and as part of microprocessor and microcontroller systems. Additionally, it can be used in control systems and industrial automation for signal amplification and buffering.

Equivalent

The SN54LS244J is a dual octal buffer/driver. Equivalent products include:
1. SN74LS244N
2. SN74ALS244N
3. SN74F244N
4. 74LS244 (general version)
These variants offer similar functionality but may differ in specifications such as speed, power consumption, and temperature ratings. Always check datasheets for compatibility in specific applications.

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