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The NEC C277C is a low-power Schottky TTL (LSTTL) integrated circuit designed for high-speed digital logic applications.

Manufacturer:

• NEC (Nippon Electric Company, now part of Renesas Electronics Corporation)

Specifications:

• Logic Family: Low-Power Schottky TTL (LSTTL)
• Function: Quad 2-Input NAND Gate
• Supply Voltage (VCC): 4.75V to 5.25V (Standard TTL Levels)
• Power Consumption: Low power compared to standard TTL
• Propagation Delay: Typically 10ns (varies with conditions)
• Operating Temperature Range: 0°C to 70°C (Commercial grade)
• Package Type: DIP (Dual In-line Package), 14-pin

Descriptions:

• The C277C is a quad 2-input NAND gate, meaning it contains four independent NAND gates in a single IC.
• It uses Schottky diode clamping to improve switching speed while maintaining low power consumption.
• Compatible with standard TTL logic levels (input/output voltage thresholds).

Features:

• High-speed operation due to Schottky barrier diodes.
• Low power dissipation compared to standard TTL.
• Wide operating voltage range (compatible with 5V systems).
• Standard pinout for easy integration in TTL-based circuits.
• Robust noise immunity typical of LSTTL logic.

This IC is commonly used in digital logic circuits, computing systems, and control applications where fast switching and low power consumption are required.