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SM3514

Features: • ROM capacity : Program ROM 8 k x 23 bitsCharacter ROM 5 x 8 x 128 bits• RAM capacity : Working RAM 256 x 4 bits Display RAM 60 x 8 bits Data RAM 512 x 8 bits• LCD display : 60 - segment x 8 - common• I/O ports : Buzzer output 1 bit (4 kHz) Key input 7 bits̶...

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SeekIC No. : 004493725 Detail

SM3514: Features: • ROM capacity : Program ROM 8 k x 23 bitsCharacter ROM 5 x 8 x 128 bits• RAM capacity : Working RAM 256 x 4 bits Display RAM 60 x 8 bits Data RAM 512 x 8 bits• LCD disp...

SM3514 Data Sheet

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Part Number:
SM3514
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: 2025/12/25

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Product Details

Description



Features:

• ROM capacity :
           Program ROM     8 k x 23 bits
           Character ROM   5 x 8 x 128 bits
• RAM capacity :
           Working RAM      256 x 4 bits
           Display RAM        60 x 8 bits
           Data RAM            512 x 8 bits
• LCD display : 60 - segment x 8 - common
• I/O ports :
           Buzzer output    1 bit (4 kHz)
           Key input            7 bits
• Standby release : 2 events (2 Hz signal, key input)
• Built-in oscillator :
           System clock (built-in CR oscillator)  300 kHz
           Timer (built-in CR oscillator)              32.8 kHz
                     (external crystal)                    32.768 kHz
• Instruction cycle time : 10 µs
• Operating temperature : 10 to +60
• Supply voltage : 2.5 to 3.4 V
• Package : 100-pin QFP (QFP100-P-1420)



Description

The SM3514 is a CMOS 4-bit single-chip micro-computer for databank incorporating data memory RAM, LCD driver, key input circuits and buzzer out-put circuit. By connecting an external crystal, a 1Hz timer interrupt is made possible for easier clock function.




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