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MSM9223

Features: • Supply voltage (VDD) : 8 to 18.5V (Built-in 5V regulator for logic)• Duplex/Triplex selectable• Applicable VFD tube : 2 Grids*27 Anodes VFD tube : 3 Grids*27 Anodes VFD tube• 27-segment driver outputs : IOH=5mA at VOH=VDD0.8V (SEG1 to 19)IOH=10mA at VOH=VDD0.8V ...

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SeekIC No. : 004429213 Detail

MSM9223: Features: • Supply voltage (VDD) : 8 to 18.5V (Built-in 5V regulator for logic)• Duplex/Triplex selectable• Applicable VFD tube : 2 Grids*27 Anodes VFD tube : 3 Grids*27 Anodes VFD...

MSM9223 Data Sheet

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Part Number:
MSM9223
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Supply voltage (VDD)          : 8 to 18.5V (Built-in 5V regulator for logic)
• Duplex/Triplex selectable
• Applicable VFD tube            : 2 Grids*27 Anodes VFD tube
                                              : 3 Grids*27 Anodes VFD tube
• 27-segment driver outputs : IOH=5mA at VOH=VDD0.8V (SEG1 to 19)
                                                IOH=10mA at VOH=VDD0.8V (SEG20 to 27)
• 3-grid pre-driver outputs     : IOL=10mA at VOL=2V
• Built-in digital dimming circuit (10-bit resolution)
• Built-in 6-ch A/D converter
• Built-in 5*5 keyscan circuit
• Interface circuit for an encoder type rotary switch
• Built-in oscillation circuit (external R and C)
• Built-in Power-On-Reset circuit
• Package:
      64-pin plastic QFP  (QFP64-P-1420-1.00-BK)     Product name: MSM9223GS-BK


Pinout

Connection Diagram


Specifications

Parameter Symbol

Condition

 Ratings Unit
Supply Voltage VDD

-

 0.3 to +20 V
Input Voltage VIN

-

 0.3 to +6.0 V
Power Dissipation PD

Ta = 85°C

 590 mW
Storage Temperature TSTG

-

 55 to +150 °C
Output Current IO1

SEG1 to 19

10.0 to +2.0 mA
IO2

SEG20 to 27

20.0 to +2.0 mA
IO3

GRID1 to 3

 7.0 to +20.0 mA
IO4 DIM OUT, SYNC OUT1, SYNC OUT2 2.0 to +2.0 mA



Description

The MSM9223 is a full CMOS controller/driver for Duplex or Triplex vacuum fluorescent display tube. It conststs of 27 segment driver outputs and 3-grid pre-driver outputs, so that it can drive directly up to 81-segment VFD.

MSM9223 features a digital dimming function, a 6-ch ADC, a 5 ×5 keyscan circuit and an encoder type switch interface.

MSM9223 provides an interface with a microcontroller only by three signal lines: DATA I/O, CLOCK and CS.




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