1/2, 1/3, 1/4 Duty LCD Driver

Manufacturer's part number :

NJU6543

Manufacturer New Japan Radio

New Japan Radio

Description :

NJU6543 is a 1/2 or 1/3,1/4 duty segment type LCD driver. It incorporates 4 common driver circuits and 128 segment driver circuits. NJU6543 can drive maximum 256 segments in 1/2 duty ratio and maximum 384 segments in 1/3 duty ratio and maximum 512 segments in 1/4 duty ratio.

In addition, the NJU6543's useful functions meet a wide range of applications.

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    Features

  • LCD driving circuit (Max. 128outputs (4 outputs as for general purpose ports))
  • Programmable Duty Ratio (1/2 Duty Ratio/Driving max. 256 segments :1/3 Duty Ratio /Driving max. 384 segments :1/4 Duty Ratio :Driving max. 512 segments)
  • Programmable Bias Ratio (1/2, 1/3 bias ratio)
  • Serial Data Transfer (Shift clock max. 2MHz)
  • Built-in Oscillator (CR oscillation with external resistor and capacitance, or external oscillation signal input)
  • Electrical Variable Resistance (8-steps)
  • Operating Voltage (3.0V/5.0V)
  • C-MOS Technology (P-Sub)
  • Package Outline (LQFP144-L1 20mmx20mm t=1.7mm(max) Pin-pitch=0.5mm)
Features Similar products
Drives Number of Segments 128  

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On-chip Oscillator Yes  
Control Lines Required Yes  
Operating Temperature (°C) -40 to 105  
Package LQFP-144