PAL16L8CN Programmable Array Logic DIP-20 (PAL16L8CN DIP IC)
The PAL16L8CN is a high-performance Programmable Array Logic (PAL) device utilizing advanced bipolar Schottky TTL process technology. It is designed to replace standard logic gates and flip-flops, allowing designers to implement complex logic functions in a single chip. This device features a programmable AND array followed by a fixed OR array, providing 10 dedicated inputs, 2 dedicated outputs, and 6 bidirectional I/O pins. It is an industry-standard component for reducing chip count and board space in digital systems while offering high-speed performance.
This IC is primarily used in glue logic for microprocessor systems, memory address decoding, and custom state machines. It is a specialized component for advanced electronics projects in India involving legacy computer hardware repair, custom digital logic design, and educational studies of programmable logic devices (PLD).
Key Features
- High-speed bipolar Schottky construction
- Replaces up to 10 standard TTL logic packages
- Programmable replacement for conventional gates
- 10 dedicated inputs and 8 outputs (6 are bidirectional)
- Active-low outputs
- Security fuse feature to prevent unauthorized copying
- High reliability and stable performance
- Standard 20-pin DIP package
Specifications
- IC Type = Programmable Array Logic (PAL)
- Propagation Delay = 25ns to 35ns (Typical for CN series)
- Supply Voltage (VCC) = 4.75V to 5.25V (5V Typical)
- Supply Current (ICC) = 100mA (Maximum)
- Output Type = Combinatorial (Active-Low)
- Logic Family = TTL Compatible
- Package Type = Plastic DIP
- Number of Pins = 20
- Mounting Type = Through-Hole
- Operating Temperature = 0 to 75 degrees Celsius
Interfaces
- PIN 1 to 9 (I) = Dedicated Inputs
- PIN 10 (GND) = Ground (0V)
- PIN 11 (I) = Dedicated Input
- PIN 12, 19 (O) = Dedicated Outputs
- PIN 13 to 18 (IO) = Bidirectional I/O Pins
- PIN 20 (VCC) = Positive Supply Voltage (5V)
