🔹 74LS238 DIP IC – 3-to-8 Line Decoder/Demultiplexer (SN74LS238N)
The 74LS238 is a 3-to-8 line decoder/demultiplexer IC designed for address decoding, data routing, and signal selection applications. It converts 3 binary inputs into one of eight active-high outputs, making it ideal for memory address decoding and I/O expansion in digital systems .
✅ Specifications:
Logic Family: 74LS (Low-Power Schottky TTL)
Package: 16-pin DIP (PDIP)
Supply Voltage: 4.75V – 5.25V
Propagation Delay: 14ns typical
Inputs: 3 Binary (A0, A1, A2)
Outputs: 8 Active-High (Y0–Y7)
Enable Inputs: 3 (for cascading and flexible control)
Output Current (IOH/IOL): 5.2mA
Operating Temperature: 0°C to 70°C
Static Current (IQ): 80µA
📦 Features:
✔️ 3-to-8 line decoding in a single IC
✔️ Active-high outputs for TTL compatible logic systems
✔️ Three enable inputs for easy expansion (cascading)
✔️ High-speed operation with low power consumption
✔️ Standard 16-pin DIP for breadboard and PCB mounting
📦 Applications:
✔️ Memory address decoding in microprocessor systems
✔️ Data routing and demultiplexing
✔️ I/O port selection and expansion
✔️ 7-segment and LED matrix display control
✔️ Robotics and automation control systems
✔️ Industrial control and digital logic circuits


















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