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electronic:equipment:phone:4019 [2026/08/31 19:25] – [Examples] tonyelectronic:equipment:phone:4019 [2026/09/05 05:48] (current) – external edit 127.0.0.1
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 +<html><p style="text-align:right;">Published  6 Sep 2022</p></html>
 +<html><p style="text-align:center;"><b><font size="6">Alcatel 4019</font></b></p></html>
 +\\
 +{{ :electronic:equipment:phone:a.jpg?200|Alcatel 4019 overview}}
 +===== Overview =====
 +\\
 +
 +===== Hardware description =====
 +==== Components ====
 +  * [[:electronic:lcd:4019|LCD]], 1 row of 20 alphanumeric characters.
 +  * ST M29W800DB, 3V 8 Mbit (1MB X8 or 512KB X16) Flash Memory.
 +  * IDT 71V016 3.3V 64K x 16 Bit Asynchronous Static RAM.
 +  * Alcatel custom chip
 +  * 393 (LM393) dual independent precision voltage comparator.
 +  * HB244 (74HC244) Octal buffer/drivers with tri-state outputs.
 +  * 431C (LM431) Programmable Voltage Reference.
 +
 +===== Examples =====
 +
 +{{:electronic:equipment:phone:dsc_1786a.jpg?800|Alcatel 4019 top}}
 +/*{{:electronic:equipment:phone:a.jpg?600|Alcatel 4019 front}}\\*/
 +{{:electronic:equipment:phone:dsc_1789a.jpg?600|Alcatel 4019 back}}
 +
 +----
 +
 +===== Tear down =====
 +
 +{{:electronic:equipment:phone:dsc_1792a.jpg?800|Alcatel 4019 interior}}
 +{{:electronic:equipment:phone:dsc_1794a.jpg?600|Alcatel 4019 interior}}
 +
 +{{:electronic:equipment:phone:p4274908a.jpg?400|Alcatel 4019 circuit}}
 +
 +{{:electronic:equipment:phone:p4274890.jpg?300|Alcatel 4019 custom chip}}
 +
 +====== References and Additional Resources ======
 +
 +<html><small><p>If any referenced page no longer exists, try looking for its URL on <a href="http://archive.org">http://archive.org</a>.</p></small></html>
 +\\
 +----
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 +\\
  

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