The 74LS138 is a high-speed 1-to-8 decoder/demultiplexer IC that translates binary input data into active-low outputs. This versatile IC can be used in a wide range of applications, such as data demultiplexing, memory address decoding, and more. The 74LS138 is designed for use in TTL-compatible circuits and features active-low enable inputs to facilitate input control. It is available in a compact SOP-16 SMD package, making it suitable for modern PCB designs.

Specifications:

• IC Type: 1-to-8 Decoder/Demultiplexer
• Package Type: SOP-16 SMD
• Package Size: 16 Pins
• Operating Voltage: 4.75 V to 5.25 V
• Propagation Delay: 21 ns (typical)
• Power Consumption: 32 mW (typical)
• Operating Temperature Range: 0°C to +70°C

Pin Configuration:

1. E1: Enable input (active low)
2. E2: Enable input (active low)
3. E3: Enable input (active high)
4. A0: Address input 0
5. A1: Address input 1
6. A2: Address input 2
7. Y7: Output 7 (active low)
8. GND: Ground
9. Y6: Output 6 (active low)
10. Y5: Output 5 (active low)
11. Y4: Output 4 (active low)
12. Y3: Output 3 (active low)
13. Y2: Output 2 (active low)
14. Y1: Output 1 (active low)
15. Y0: Output 0 (active low)
16. VCC: Positive supply voltage

Features:

• Decodes 3 binary inputs into 8 mutually exclusive outputs
• Active-low outputs
• Three enable inputs for versatile control
• High noise immunity
• Low power consumption
• TTL-compatible inputs and outputs

Applications:

• Data demultiplexing
• Memory address decoding
• Logic circuit expansion
• Signal routing in digital systems
• Microprocessor systems

Package Includes:

• 1 x 74LS138 - 1-to-8 Decoder/Demultiplexer IC (SOP-16 SMD Package)

Note: Product images are for illustrative purposes only and may differ from the actual product.