Overview
The SN74LV139APWR is a dual 2-line to 4-line decoder/demultiplexer produced by Texas Instruments. This integrated circuit is designed for low-voltage applications, making it suitable for modern electronic systems that require efficient power consumption. The device is part of the LV (Low-Voltage) family, which is known for its robust performance and reliability. The SN74LV139APWR is widely used in applications such as signal routing, data distribution, and address decoding. Its compact TSSOP (Thin Shrink Small Outline Package) form factor makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.0 to 5.5 | V | Wide operating range |
| Input Voltage | 0 to VCC | V | Compatible with TTL levels |
| Output Current | ±12 | mA | High drive capability |
| Propagation Delay | 7.5 | ns | Typical at 5V |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Package | TSSOP-16 | - | Compact and space-saving |
| Logic Family | LV | - | Low-voltage CMOS |
| Number of Channels | 2 | - | Dual decoder/demultiplexer |
| Power Dissipation | 500 | mW | Maximum |
| Input Capacitance | 3.5 | pF | Typical |
Key Features
- Low Power Consumption: Designed for low-voltage operation, reducing power usage in portable and battery-powered devices.
- High-Speed Operation: Features a low propagation delay, ensuring fast signal processing.
- Wide Operating Voltage Range: Supports voltages from 2.0V to 5.5V, making it versatile for various applications.
- Compact Package: Available in a TSSOP-16 package, ideal for space-constrained designs.
- TTL-Compatible Inputs: Ensures seamless integration with TTL logic levels.
Applications
The SN74LV139APWR is widely used in various applications, including:
- Signal Routing: Efficiently routes signals in complex electronic systems.
- Data Distribution: Distributes data across multiple channels in communication systems.
- Address Decoding: Decodes addresses in memory and I/O systems.
- Industrial Automation: Used in control systems for machinery and equipment.
- Consumer Electronics: Found in devices such as smartphones, tablets, and gaming consoles.
Q & A
1. What is the operating voltage range of the SN74LV139APWR?
The SN74LV139APWR operates within a voltage range of 2.0V to 5.5V.
2. Is the SN74LV139APWR compatible with TTL logic levels?
Yes, the SN74LV139APWR is compatible with TTL logic levels.
3. What is the typical propagation delay of the SN74LV139APWR?
The typical propagation delay is 7.5 ns at 5V.
4. What package does the SN74LV139APWR come in?
The SN74LV139APWR is available in a TSSOP-16 package.
5. What is the maximum power dissipation of the SN74LV139APWR?
The maximum power dissipation is 500 mW.
6. Can the SN74LV139APWR be used in industrial applications?
Yes, the SN74LV139APWR is suitable for industrial applications, with an operating temperature range of -40°C to 85°C.
7. How many channels does the SN74LV139APWR have?
The SN74LV139APWR has 2 channels, making it a dual decoder/demultiplexer.
8. What is the output current capability of the SN74LV139APWR?
The output current capability is ±12 mA.
9. Is the SN74LV139APWR suitable for battery-powered devices?
Yes, the low power consumption of the SN74LV139APWR makes it ideal for battery-powered devices.
10. What is the typical input capacitance of the SN74LV139APWR?
The typical input capacitance is 3.5 pF.
