Overview
The SN74LVC138AD, manufactured by Texas Instruments, is a high-performance 3-to-8 line decoder/demultiplexer designed for applications requiring minimal propagation delay. This device is particularly suited for high-performance memory systems, where it minimizes the impact of system decoding. Its compatibility with fast-enable circuits in high-speed memory systems ensures that the delay introduced by the decoder is negligible compared to the typical memory access time.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Logic - Signal Switch, Multiplexers, Decoders | - | - |
| Description | IC 3-TO-8 DECOD/DEMUX 16-SOIC | - | - |
| Series | 74LVC | - | - |
| Manufacturer | Texas Instruments | - | - |
| Type | Decoder/Demultiplexer | - | - |
| Circuit | 1 x 3:8 | - | - |
| Independent Circuits | 1 | - | - |
| Current - Output High, Low | 24mA, 24mA | mA | - |
| Voltage - Supply | 1.65 V ~ 3.6 V | V | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | - | - |
| Supplier Device Package | 16-SOIC | - | - |
| Packaging | Tube | - | - |
Key Features
- High-speed performance with minimal propagation delay.
- Compatible with fast-enable circuits in high-speed memory systems.
- Low power consumption with a supply voltage range of 1.65 V to 3.6 V.
- Robust design with an operating temperature range of -40°C to 85°C.
- Surface mount packaging for easy integration into various applications.
Applications
The SN74LVC138AD is widely used in applications requiring efficient data routing and memory decoding. Its primary applications include high-performance memory systems, where it ensures minimal delay in data access. Additionally, it is utilized in systems that require fast and reliable signal switching and decoding, such as in industrial automation, telecommunications, and consumer electronics.
Q & A
1. What is the primary function of the SN74LVC138AD?
The SN74LVC138AD is a 3-to-8 line decoder/demultiplexer designed for high-performance memory decoding and data routing applications.
2. What is the supply voltage range for this device?
The supply voltage range is from 1.65 V to 3.6 V.
3. What is the operating temperature range?
The operating temperature range is from -40°C to 85°C.
4. What type of packaging does the SN74LVC138AD use?
It uses a 16-SOIC (0.154", 3.90mm Width) surface mount package.
5. What is the output current capability of this device?
The output current capability is 24mA for both high and low outputs.
6. Can this device be used in high-speed memory systems?
Yes, it is designed for high-performance memory systems to minimize decoding delay.
7. What is the propagation delay of the SN74LVC138AD?
The propagation delay is minimal, ensuring that the decoder's impact on system performance is negligible.
8. Is the SN74LVC138AD suitable for industrial applications?
Yes, it is suitable for industrial applications due to its robust design and wide operating temperature range.
9. How many independent circuits does this device have?
It has one independent circuit.
10. What is the typical application of the SN74LVC138AD?
Typical applications include high-performance memory systems, data routing, and signal switching in various electronic systems.
