Overview

The LC89915 and LC89915M are delay lines that produce a 1 H delayed signal for NTSC format with an external low-pass filter. It can also provide 1 H delayed signal for PAL format by changing the number of its CCD Shift register.

Functions

• 453.5 bits (switchable to 456.5 bits) CCD shift register

• Auto-bias circuit

• Sync tip clamping circuit

• Sample-and-hold circuit

• Delay time switching circuit