SN74HC138N (74HC138) logic chip

The SN74HC138N (74HC138) is a high-speed CMOS 3-to-8 line decoder/demultiplexer. It is designed for memory address decoding or data routing applications, featuring three binary select inputs (A, B, and C) and three enable inputs (G1, G2A, and G2B). This device offers high noise immunity and low power consumption, making it ideal for various digital systems requiring efficient signal decoding and demultiplexing.

Key Features:

• High-speed CMOS technology
• 3-to-8 line decoder/demultiplexer
• Low power consumption
• High noise immunity
• Wide operating voltage range: 2V to 6V
• Outputs can drive up to 10 low-power Schottky TTL loads
• Active-low outputs for easy integration
• Compatible with TTL logic levels

Technical Specifications:

• Package Type: 16-DIP
• Supply Voltage (Vcc): 2V to 6V
• Input Voltage (VI): 0V to Vcc
• Output Voltage (VO): 0V to Vcc
• Input Leakage Current: ±1µA
• Quiescent Supply Current (ICC): 1µA (max) at Vcc = 6V
• Propagation Delay Time: 22 ns (typical) at Vcc = 5V
• Operating Temperature Range: -40°C to +85°C
• Dimensions: 19.3 mm x 7.62 mm x 4.57 mm
• Weight: 1.4 g

Applications:

• Memory Address Decoding: Used for decoding memory addresses in microprocessor and microcontroller systems.
• Data Routing: Suitable for routing data signals in digital circuits.
• Signal Demultiplexing: Ideal for demultiplexing signals in communication and control systems.
• Digital Systems: Used in various digital applications requiring efficient signal decoding.
• Industrial Automation: Suitable for control systems in industrial automation.

Datasheet:

For detailed technical information, refer to the SN74HC138N (74HC138) Datasheet.