SN74LS244N

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SN74LS244N

IC BUF NON-INVERT 5.25V 20DIP

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  • Fr. Teil #SN74LS244N
  • Paket PDIP (N)-20
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Spezifikationen

Package Bulk,Tube
Series 74LS
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 15mA, 24mA
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case 20-DIP (0.300, 7.62mm)

Übersicht

Description

The SN74LS244N is an octal buffer/driver with 3-state outputs, designed for high-speed and low-power operation in digital circuits. It belongs to the 74LS (Low Power Schottky) series, which offers improved performance over standard TTL devices. This component features eight independent buffers, each capable of driving up to 15 loads.
Key specifications include a wide supply voltage range of 4.75V to 5.25V, with a typical propagation delay of 10 nanoseconds. The outputs can be enabled or disabled using the output enable (OE) pins, allowing for multiple devices to share the same bus without interference.
Common applications include data routing in microprocessor systems, memory interfacing, and any scenario where signal isolation or buffering is necessary. The SN74LS244N is available in DIP, SOIC, and other package types, making it versatile for various circuit designs. It is essential for engineers and designers looking to enhance signal integrity and reduce loading on data lines in digital applications.

Features

The SN74LS244N is an octal buffer/driver with 3-state outputs, commonly used in digital circuits. Key features include:
1. High Speed: Operates at a maximum propagation delay of around 10 ns.
2. Wide Voltage Range: Designed for operation with a supply voltage of 4.75V to 5.25V.
3. Low Power Consumption: Typical power dissipation is low due to the low power Schottky TTL technology.
4. 3-State Outputs: Allows multiple devices to share the same bus, enhancing flexibility in design.
5. Logic Compatibility: Compatible with standard TTL logic levels.
6. Input/Output Isolation: Lowers the likelihood of loading effects in multi-device applications.
7. Pin Configuration: Available in a 20-pin DIP package, making it easy to integrate into circuits.
This IC is ideal for applications that require signal buffering or isolation in data transmission.

Package

The SN74LS244N is available in a 20-pin dual in-line package (DIP) format. It features a standard through-hole design, suitable for PCB mounting.

Pinout

The SN74LS244N is an octal buffer/driver with three-state outputs. It has a pin count of 20. The primary function of this device is to provide buffering for data signals, allowing for the driving of multiple loads without signal degradation.
Key pin functions include:
- Inputs (A1-A8): These are the data input pins for the buffer (pins 2-9).
- Outputs (Y1-Y8): Corresponding to the inputs, these are the output pins (pins 19, 18, 17, 16, 15, 14, 13, 12).
- Enable Pins (G1, G2A, G2B): These control the three-state output functionality. G1 (pin 1) is an active-high enable for outputs 1-4, while G2A (pin 10) and G2B (pin 11) are active-low enables for outputs 5-8.
- Ground (GND): Pin 8 connects to ground.
- Vcc: Pin 20 connects to the supply voltage.
This configuration makes the SN74LS244N suitable for bus-oriented systems.

Manufacturer

The SN74LS244N is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in the design and production of semiconductors and various integrated circuits. The company is well-known for its extensive range of products, including analog devices, embedded processors, and digital signal processors. TI serves multiple industries, including automotive, industrial, consumer electronics, and communications. With a strong emphasis on innovation, Texas Instruments plays a significant role in advancing technology and providing solutions that enhance electronic designs and systems globally.

Application

The SN74LS244N is a hex buffer/driver with 3-state outputs, commonly used in digital circuits for signal buffering, level shifting, and isolation. Its main applications include driving LEDs, interfacing between different logic families, data bus buffering in microprocessor systems, and enhancing signal integrity in high-speed communication lines. It is ideal for use in memory address decoding and as part of multiplexing/demultiplexing circuits.

Equivalent

Equivalent products to the SN74LS244N include the SN74HCT244N, 74HC244, and 74LS244. These chips are all octal buffer/driver devices with similar functionality but may differ in terms of supply voltage and logic levels. Always check the datasheets for specific electrical characteristics and compatibility in your application.

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