42800RM6585-1/11

Preliminary

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

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft's

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

LC7958NC

64-Bit LED Driver for 300 dpi Printers

CMOS IC

Ordering number: ENN*6585