Overview
LC7958NC is a 64-bit constant current LED driver IC designed to directly drive LED head array.
The output terminals for LED drive are arranged in 2-row staggered position of 80-µm pitch at one side. It enables drive of LED Array of 300-dpi in one side disposition, 600dpi in both sides disposition.

FEATUREs and Functions
• Logic voltage (VDD): +5 V ± 10 %
• LED drive current (IOH): 5.0 mA (TYP)
• Clock frequency (fc): 10 MHz
• Output current control circuit built in
• Mode switching function by the SEL pin
• Chip size:  1.43 mm × 5.39 mm
• Number of pads: 86
• 64-bit shift register circuit
• 64-bit latch  circuit
• Output driver on/off switching function
• Constant current circuit
• 64-bit p-channel open drain LED driver