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NJU6535

Features: 􀁺· 42-segment Drivers􀁺· Programmable Duty Ratio􀁺· 1/3 Duty : 126-segment (Maximum)􀁺· 1/4 Duty : 164-segment (Maximum)􀁺· 30-key Scan Function (6X5 matrix) Needless for anti-reverse current diodes in key scan􀁺· Programmable Bias Ratio 1...

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SeekIC No. : 004434455 Detail

NJU6535: Features: 􀁺· 42-segment Drivers􀁺· Programmable Duty Ratio􀁺· 1/3 Duty : 126-segment (Maximum)􀁺· 1/4 Duty : 164-segment (Maximum)􀁺· 30-key Scan Function (6...

NJU6535 Data Sheet

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Part Number:
NJU6535
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

􀁺· 42-segment Drivers
􀁺· Programmable Duty Ratio
􀁺· 1/3 Duty : 126-segment (Maximum)
􀁺· 1/4 Duty : 164-segment (Maximum)
􀁺· 30-key Scan Function (6X5 matrix)
        Needless for anti-reverse current diodes in key scan
􀁺· Programmable Bias Ratio 1/2, 1/3 bias
􀁺· Output Port for LED (maximum 4 LED)
􀁺· Serial Interface (SI, SO, SCL, CS)
􀁺· Useful Instruction set
􀁺· Incorporated LCD Driving Voltage Generator Circuits
􀁺 Electrical Variable Resistance (8-step)
􀁺 Logic Operating Voltage 4.5 ~ 5.5V
􀁺 LCD Driving Voltage ~5.5V
􀁺 Package Outline QFP64-G1 QFP64-H1
􀁺 C-MOS Technology (Substrate :P)


Pinout

Connection Diagram


Specifications

PARAMETERS SYMBOL CONDITIONS RATINGS UNIT
Supply Voltage VDDmax VDD terminal, Ta=25°C -0.3 to +6.0 V
Input Voltage VI OSC, K0 to K4, V0 to V2 ,
CE, SCL, SI terminal, Ta=25°C		 -0.3 to VDD+0.3 V
Output Voltage VO SO, OSC, SEG1 to SEG42,,
COM1 to COM4, S0 to S5,
P0 to P3 ,Ta=25°C		 -0.3 to VDD+0.3 V
Power Dissipation Pdmax Ta=85°C 300 mW
Operating Temperature Topr - -40 to +85
Storage Temperature Tstg - -55 to +125

Note1) All voltage values are specified as Vss = 0V.
Note2) If the LSI are used on condition beyond the absolute maximum rating, the LSI may be destroyed. Using LSI within electrical characteristics is strongly recommended for normal operation. Use beyond the electric characteristics conditions will cause malfunction and poor reliability.
Note3) Decoupling capacitor should be connected between VDD and Vss due to the stabilized operation for the voltage converter.




Description

The NJU6535 is a 1/3 or 1/4 duty LCD driver for segment type LCD panel with key scan function transmitting the 30 keys maximum scanned data (6 x 5 = 30) to CPU.

The NJU6535 chooses numbers of common, key scan,and general purpose ports by instructions. Therefore, It drives 126 segments at 1/3 duty in use of 3 commons and 42 segments or 164 segments at 1/4 duty in use of 4 and 41. Also it provides 4 general purpose output ports maximum to drive LEDs or others directly.

Furthermore, the NJU6535 can select a LCD driving voltage out of 8 steps voltage by the instruction to adjust the display contrast of LCD panel.




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