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MSC1215-xx

Features: • Power supply voltage : VDD=8 to 18 V• Operating temperature range : Ta=40 to +85°C)• 17-segment driver outputs (IOH=5mA at VOH=VDD0.8 V)• Built-in analog dimming circuit (6-bit resolution, user-programmable)• Built-in PWM conversion circuit (Lamp PWM signa...

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SeekIC No. : 004427834 Detail

MSC1215-xx: Features: • Power supply voltage : VDD=8 to 18 V• Operating temperature range : Ta=40 to +85°C)• 17-segment driver outputs (IOH=5mA at VOH=VDD0.8 V)• Built-in analog dimming ...

MSC1215-xx Data Sheet

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Part Number:
MSC1215-xx
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:

• Power supply voltage : VDD=8 to 18 V
• Operating temperature range : Ta=40 to +85°C)
• 17-segment driver outputs (IOH=5mA at VOH=VDD0.8 V)
• Built-in analog dimming circuit (6-bit resolution, user-programmable)
• Built-in PWM conversion circuit (Lamp PWM signal to vacuum fluorescent display PWM signal)
• Built-in automatic-selection circuit for analog dimming/PWM conversion function
• Built-in 6ch 6-bit A/D converter
• Built-in 3 ´ 4 Keyscan circuit
• Built-in oscillation circuit (external R and C, fOSC=3.3 MHz)
• Built-in Power-On-Reset circuit
• Package:
      42-pin plastic DIP (DIP 42-P-600-2.54) (Product name: MSM1215-xxRS)
                                                                    xx indicates the code number.


Pinout

Connection Diagram


Specifications

Parameter Symbol Condition Rating Unit
Supply Voltage VDD - 0.3 to +20 V
Input Voltage (1) VIN1 All inputs except VK 0.3 to +6 V
Input Voltage (2) VIN2 VK 0.3 to +VDD V
Power Dissipation PD Ta=85°C 400 mW
Storage Temperature TSTG - 55 to +150 °C



Description

The MSC1215-xx is a 1/2-duty vacuum fluorescent display tube driver implemented in Bi- CMOS technology. This LSI consists of a 37-bit shift register, 34 latches, an analog dimming circuit, (a PWM conversion circuit), a 3×4 keyscan circuit, a 6ch-6-bit A/D converter and 17 segment drivers, and 2-grid pre-drivers.

The MSC1215-xx has capabilities of displaying audio system frequencies and various informations on a VFD tube for the automobile application and also interfacing with keyboard inputs and on an analog volume input.

For automobile audio systems, the front panel functions (such as a frequency display, keyboard input and analog voltage input from a volume) can be accomplished by this IC MSC1215-xx.

The analog dimming/PWM conversion modes can be selected automatically for the brightness control, so this IC MSC1215-xx is applicable to any type of automobile without any change of the specifications.

The MSC1215-xx interface with a MCU can be done only with 3 wires (CS, DATA I/O and CLOCK signals). Also, DATA I/O and CLOCK signal lines can be shared with other peripherals because of chip select function by CS signal.




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