Overview
The FD650 is a dedicated LED drive control circuit with a keyboard scanning circuit interface. Integrated MCU input Output control digital interface, data latch, LED driver, keyboard scan, brightness adjustment and other circuits. Chip nature It can be stable, reliable in quality and strong in anti-interference ability, and can be adapted to applications with long-term continuous operation for 24 hours.

FEATURE description
• Display mode: 8 segments × 4 bits
• Segment drive current is not less than 25mA, word drive current is not less than 150mA
• Provides 8-level brightness control
• Keyboard scan: 7×4bit
• High speed two-wire serial interface
• Built-in clock oscillation circuit
• Built-in power-on reset circuit
• Support 3V-5.5V power supply voltage
• Available in DIP16 (FD650K) and SOP16 (FD650S) packages