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NJU3426

Features: · Directly Drives 16-segment x 15-digit· High VFD Driving Voltage :|VDD-VFDP|=45V· Display Shift Function· Programmable Duty Ratio for Timing Signal :2/16, 4/16, 6/16, 8/16, 10/16, 12/16, 14/16, 15/16 duty· Display ON/OFF Control Function· Display Data RAM: 30 x 8-bit· Built-in Oscillato...

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SeekIC No. : 004434371 Detail

NJU3426: Features: · Directly Drives 16-segment x 15-digit· High VFD Driving Voltage :|VDD-VFDP|=45V· Display Shift Function· Programmable Duty Ratio for Timing Signal :2/16, 4/16, 6/16, 8/16, 10/16, 12/16, ...

NJU3426 Data Sheet

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Part Number:
NJU3426
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:

· Directly Drives 16-segment x 15-digit
· High VFD Driving Voltage                     : |VDD-VFDP|=45V
· Display Shift Function
· Programmable Duty Ratio for Timing Signal
    :2/16, 4/16, 6/16, 8/16, 10/16, 12/16, 14/16, 15/16 duty
· Display ON/OFF Control Function
· Display Data RAM                                 : 30 x 8-bit
· Built-in Oscillator (Formed by Connecting an External Ceramic Resonator)
· 8-bit Serial Interface
· Power-ON Reset Function
· Operating Voltage                               :3.0 to 5.5V
· C-MOS Technology
· Package Outline                                  :QFP48-P1


Specifications

PARAMETER SYMBOL RATINGS UNIT CONDITIONS
Operation voltage VDD -0.3 to +7.0 V  
Input voltage VIN -0.3 to VDD+0.3 V  
VFD driving voltage VFDP VDD-45 to VDD+0.3 V Relative to VDD.
"H" level output current IOH1 -15 mA 1 pin out of S0 to S15 pins
IOH2 -35 mA 1 pin out of T0 to T13 pins
"H" level
Total output current		 IOH -100 mA All output pins
"L" level output current IOL 20 mA  
"L" level
Total output current		 IOL 100 mA All output pins
Operating temperature Topr -40 to 85 °C  
Storage temperature Tstg -55 to 125 °C  
Power dissipation PD T.B.D. mW QFP

Note 1): The LSI must be used inside of the "Absolute maximum ratings". Otherwise, an electrical or physical stress may cause permanent damage to the LSI.
Note 2): De-coupling capacitors for VDD and VSS and VFDP and VSS must be connected for stabble operation.
Note 3): The following voltage relation must be maintained; VDD> VSS VFDP, VSS=0.




Description

The NJU3426 is a VFD (Vacuum Fluorescent Display) controller/driver to dynamically drive up to 16 segments x 15 digits. It consists of display data RAM, an address counter,command registers, a serial interface and high voltage drivers.

The direct control from the MPU and high voltage drivers of 45V make the NJU3426 well suited for various VFD displays.




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