Hello,

see AN511 of Microchip. An interesting approach.

Imre


On Thu, 22 Nov 2001, Peter L. Peres wrote:

> Of course you know that you can use ANY 8bit or 16bit SRAM EEPROM or FLASH
> instead of a GAL (by burning the complete truth table into it). There are
> tools that will do this for you from fusemaps even, perhaps from a truth
> table from a GAL assembler using Linux text processing tools ... . But I
> can't quote one.
>
> An Atmel 8K x 8 EEPROM will do a GAL with 13 inputs and 8 outputs. From
> here go to a Mealy(sp?) state machine using a 8 bit gate and a clock. Two
> chips... Very low power too and works to at least 5MHz. Add a multiplexer
> and you have a Moore FSM. With a large EPROM or FLASH you can start to
> make interesting things (like a small simple CPU with a program counter
> and one or two registers running 'microcode' - but by then you are better
> off using a FPGA).
>

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