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SN69040

Features: · Single power supply 2.4V - 5V· Built in a tiny controller· Two 4-bit I/O ports and two optional 4-bit output ports are provided· Built in 40K*10 ROM· 256*4 bits RAM for programming usage are provided· 32*4 bits RAM for LCD display usage are provided· Maximum 16k program ROM is provided...

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SeekIC No. : 004497603 Detail

SN69040: Features: · Single power supply 2.4V - 5V· Built in a tiny controller· Two 4-bit I/O ports and two optional 4-bit output ports are provided· Built in 40K*10 ROM· 256*4 bits RAM for programming usage...

SN69040 Data Sheet

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Part Number:
SN69040
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: 2025/12/24

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Product Details

Description



Features:

·  Single power supply 2.4V - 5V
·  Built in a tiny controller
·  Two 4-bit I/O ports and two optional 4-bit output ports are provided
·  Built in 40K*10 ROM
·  256*4 bits RAM for programming usage are provided
·  32*4 bits RAM for LCD display usage are provided
·  Maximum 16k program ROM is provided
·  Readable ROM code data
·  Built in direct 4*32 LCD driver
·  LCD 1/3 bias, 1/4 duty
·  Built in a high quality speech synthesizer
·  Adaptive playing speed from 2.5k-40kHz is provided
·  Built in a dual tone melody generator
·  Speech/Dual tone melody mixer is provided which SN69040 can play speech and dual tone melody simultaneously
·  Fixed current D/A output is provided to drive external connected transistor for sound output
·  PWM output is provided to drive external connected piezo buzzer


Specifications

Items
Symbol
Min
Max
Unit.
Supply Voltage
VDD-V
-0.3
6.0
V
Input Voltage
VIN
VSS-0.3
VDD+0.3
V
Operating Temperature
TOP
-20.0
70.0
Storage Temperature
TSTG
-55.0
125.0



Description

SN69040 is a single chip voice/dual tone melody synthesizer IC with 4*32 LCD direct drive capability which contains two 4-bit I/O ports, two optional 4-bit output ports and a tiny controller. By programming through the tiny controller, SN69040 user's applications including LCD display, section combination, trigger modes, output status, voice/melody playing and other logic functions and then be easily implemented.




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