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MSC1230

Features: • Power supply voltage : VDD=8 V to 18 V (built-in 5 V regulator for logic circuit)• Operating temperature range : Ta=40 °C to +85 °C• 37-segment driver outputs : IOH=6 mA at VOH = VDD 0.8 V• 3-grid driver outputs :IOH=30 mA at VOH = VDD 0.8 V• Built-in digi...

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SeekIC No. : 004427836 Detail

MSC1230: Features: • Power supply voltage : VDD=8 V to 18 V (built-in 5 V regulator for logic circuit)• Operating temperature range : Ta=40 °C to +85 °C• 37-segment driver outputs : IOH=6 m...

MSC1230 Data Sheet

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Part Number:
MSC1230
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:

• Power supply voltage :                          VDD=8 V to 18 V (built-in 5 V regulator for logic circuit)
• Operating temperature range :             Ta=40 °C to +85 °C
• 37-segment driver outputs :                  IOH=6 mA at VOH = VDD 0.8 V
• 3-grid driver outputs :                            IOH=30 mA at VOH = VDD 0.8 V
• Built-in digital dimming circuit (10-bit resolution)
• Switchable between 1/3-duty VF display tube and universal VF display tube*
         When SEL pin is left open       : Selects universal VF display tube (The grids GRID1, GRID2,
                                                          and GRID1+GRID2 are turned on repeatedly in this order)
          When SEL pin is used at 0 V : Selects 1/3-duty VF display tube (The grids GRID1, GRID2,
                                                          and GRID3 are turned on repeatedly in this order)
• Built-in oscillation circuit (external R and C)
• Built-in Power-On-Reset circuit
• Package:
            56-pin plastic QFP (QFP56-P-910-0.65-2K)(Product name: MSC1230GS-2K)


Pinout

Connection Diagram


Specifications

Parameter Symbol Condition Rating Unit
Supply Voltage VDD - 0.3 to +20 V
Input Voltage VIN All input 0.3 to +6.0 V
Storage Temperature TSTG - 65 to +150 °C
Power Dissipation PD Ta = +85°C 400 mW



Description

The MSC1230 is a Bi-CMOS display driver with digital dimming function. It enables switching between 1/3-duty vacuum fluorescent (VF) display tube and universal VF display tube by pin control.

The MSC1230 consists of a 112-bit shift register, a 111-bit latch, a 10-bit digital dimming circuit, 37 segment drivers, and 3 grid drivers.

The MSC1230 provides an interface with a microcomputer only by three signal lines: CS, DATA-IN, and CLOCK.

By using the chip MSC1230 select function, the DATA-IN and CLOCK signal lines can be shared by other peripheral circuits.




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