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SM3503

Features: • ROM capacity : Program ROM 6 k x 23 bits Character ROM 5 x 8 x 128 bits• RAM capacity : Working RAM256 x 4 bitsDisplay RAM 60 x 8 bitsData RAM 1 k x 8 bits• LCD display : 60-segment x 8-common• I/O ports : Buzzer output1 bit (4 kHz) Key input 7 bits• Stand...

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SeekIC No. : 004493715 Detail

SM3503: Features: • ROM capacity : Program ROM 6 k x 23 bits Character ROM 5 x 8 x 128 bits• RAM capacity : Working RAM256 x 4 bitsDisplay RAM 60 x 8 bitsData RAM 1 k x 8 bits• LCD display...

SM3503 Data Sheet

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Part Number:
SM3503
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    6 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          1 k 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) 250 kHz
           Timer (built-in CR oscillator)             32.8 kHz
                     (external crystal)                   32.768 kHz
• Instruction cycle time : 12 µs
• Operating temperature : 10 to +60
• Supply voltage : 2.5 to 3.4 V
• Package : 100-pin QFP (QFP100-P-1420)



Description

The SM3503 is a CMOS 4-bit single-chip micro-computer for databank incorporating data memory RAM, LCD driver, key input circuit 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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