What is the delay of input pads?

• A. 5‚Äö√†√ú‚àö√ú
• B. 10‚Äö√†√ú‚àö√ú
• C. 40‚Äö√†√ú‚àö√ú
• D. 30‚Äö√†√ú‚àö√ú