SN74AC244PWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed, Low-Power, Octal Bus Buffer with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74AC244PWRG4 is a high-performance octal buffer and line driver designed for use in various digital applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage Levels: CMOS/TTL Compatible
• Output Voltage Levels: CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5.8 ns (typical)
• Output Drive Capability: ±24 mA
• Number of Channels: 8

Detailed Pin Configuration

The SN74AC244PWRG4 has a total of 20 pins, which are assigned as follows:

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. A3 (Input A3)
7. Y3 (Output Y3)
8. A4 (Input A4)
9. Y4 (Output Y4)
10. A5 (Input A5)
11. Y5 (Output Y5)
12. A6 (Input A6)
13. Y6 (Output Y6)
14. A7 (Input A7)
15. Y7 (Output Y7)
16. A8 (Input A8)
17. Y8 (Output Y8)
18. OE (Output Enable)
19. VCC (Supply Voltage)
20. GND (Ground)

Functional Features

• Octal buffer and line driver with 3-state outputs
• High-speed operation, suitable for various digital applications
• Low-power consumption, ideal for battery-powered devices
• CMOS/TTL compatible input voltage levels
• CMOS output voltage levels
• Output enable (OE) pin for controlling the 3-state outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption extends battery life in portable devices - Compatibility with both CMOS and TTL input voltage levels provides versatility - 3-state outputs allow for bus sharing and easy interfacing with other devices

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - The TSSOP package may require careful handling during assembly to avoid damage

Working Principles

The SN74AC244PWRG4 operates as an octal buffer and line driver. It takes input signals from the A1 to A8 pins and amplifies them to provide corresponding output signals on the Y1 to Y8 pins. The output enable (OE) pin controls the 3-state outputs, allowing the device to be effectively disconnected from the bus when not in use.

Detailed Application Field Plans

The SN74AC244PWRG4 is commonly used in various digital systems and applications, including:

1. Microprocessor/Controller Interfacing: The device acts as a buffer between the microprocessor/controller and other peripheral devices, ensuring reliable signal transmission.
2. Memory Systems: It facilitates data transfer between memory modules and the memory controller, enhancing system performance.
3. Bus Driving: The SN74AC244PWRG4 can drive buses in complex digital systems, enabling efficient communication between different components.
4. Level Shifting: It can be used to shift voltage levels between different logic families, allowing compatibility between devices with varying voltage requirements.

Detailed and Complete Alternative Models

1. SN74AC244NSR: Similar to SN74AC244PWRG4 but available in a smaller SOIC (Small Outline Integrated Circuit) package.
2. SN74LVC244APW: Low-voltage version of the buffer with similar functionality but designed for operation at 1.65V to 3.6V supply voltage range.
3. SN74HC244N: High-speed CMOS logic level shifter with 3-state outputs, compatible with 2V to 6V supply voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the SN74AC244PWRG4 based on specific application requirements.

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