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BU34440

Features: 1) Low-voltage, high-speed operation (VDD=2.3 5.5V at 4.4MHz).2) 4k byte ROM, 256 nibble RAM.3) Internal 8-bit SIO (LSB first).4) 14 programmable pull-up input / outputs.5) 5 programmable pull-up inputs.ApplicationPortable CD-DA devices, portable CD stereosPinoutSpecifications Param...

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SeekIC No. : 004303308 Detail

BU34440: Features: 1) Low-voltage, high-speed operation (VDD=2.3 5.5V at 4.4MHz).2) 4k byte ROM, 256 nibble RAM.3) Internal 8-bit SIO (LSB first).4) 14 programmable pull-up input / outputs.5) 5 programmable ...

BU34440 Data Sheet

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Part Number:
BU34440
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

1) Low-voltage, high-speed operation (VDD=2.3  5.5V at 4.4MHz).
2) 4k byte ROM, 256 nibble RAM.
3) Internal 8-bit SIO (LSB first).
4) 14 programmable pull-up input / outputs.
5) 5 programmable pull-up inputs.


Application

Portable CD-DA devices, portable CD stereos


Pinout

Connection Diagram


Specifications

Parameter Symbol Limits Unit
Maximum applied voltage VDD 0.3 ~ + 7.0 V
Operating temperature Topr 25 ~ +75
Power dissipation Pd 500* mW
Storage temperature Tstg  55 ~ + 125 °C

* Reduced by 5.0mW for each increase in Ta of 1 over 25


Description

The BU34440 is a single-chip 4-bit microcontroller designed for CD-DA and contains parallel I / O, serial I / O, timer / counter and all other functions required for CD control in a single compact package.


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