SN74LVCH244APWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-Voltage, High-Speed, Octal Bus Buffer
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in low-voltage applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Buffers/Drivers: 8
• Input/Output Type: Non-Inverting
• Output Current: ±24mA
• Propagation Delay: 2.5ns (Max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH244APWRE4 has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Low-voltage operation allows compatibility with a wide range of digital systems.
• High-speed performance enables efficient signal buffering and line driving.
• Octal bus buffer design provides multiple input/output channels for data transmission.
• Non-inverting input/output type ensures signal integrity.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows flexibility in various applications. - High-speed operation enhances overall system performance. - Octal bus buffer configuration enables efficient data transfer. - Non-inverting input/output type simplifies signal processing.

Disadvantages: - Limited output current may restrict usage in certain high-power applications. - Propagation delay may affect real-time data transmission in critical systems.

Working Principles

The SN74LVCH244APWRE4 operates by receiving digital signals at its input pins (A1 to A8) and providing buffered outputs (Y1 to Y8). The output enable pin (OE) controls the activation of the buffer. When OE is low, the outputs are enabled, allowing the input signals to pass through to the corresponding outputs. Conversely, when OE is high, the outputs are disabled, resulting in a high-impedance state.

Detailed Application Field Plans

The SN74LVCH244APWRE4 is commonly used in various applications, including:

1. Microcontrollers and microprocessors
2. Data communication systems
3. Memory interfaces
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

In microcontroller and microprocessor systems, this IC can be used to buffer and drive digital signals between the controller and peripheral devices. In data communication systems, it helps in signal conditioning and level shifting for reliable data transmission. Memory interfaces benefit from its buffering capabilities to ensure proper data transfer. Industrial automation and automotive electronics utilize this IC for signal amplification and noise immunity. Lastly, consumer electronics applications include smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVCH244A-Q1: Automotive-grade version with enhanced temperature range (-40°C to +125°C).
2. SN74LVC244A: Similar functionality but operates at a higher voltage range (1.65V to 5.5V).
3. SN74LVCH245A: Octal bus transceiver with bidirectional data flow capability.
4. SN74LVCH240A: Octal inverting buffer/line driver with similar characteristics.

These alternative models offer similar functionalities to the SN74LVCH244APWRE4 but may have variations in voltage range, temperature range, or additional features based