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MAD-R: Difference between revisions
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The '''Memory Address Decoder with Reset-Inverter''' is similar to [[MAD-1]], except that pin 4 outputs RESET. | The '''Memory Address Decoder with Reset-Inverter''' is similar to [[MAD-1]], except that pin 4 outputs RESET. | ||
=== Logic Table === | |||
{| class="wikitable" | |||
! IN0 Address 0 !! IN1 Address 1 !! IN2 Address 2 !! IN3 Address 3 !! IN4 /ROM !! IN5 MODE !! IN6 /RES | |||
|- | |||
| x || x || x || x || x || x || high | |||
|- | |||
| x || x || low || low || low || low || high | |||
|- | |||
| x || x || high || low || low || low || high | |||
|- | |||
| x || x || low || high || low || low || high | |||
|- | |||
| low || high || high || high || low || low || high | |||
|- | |||
| x || x || low || x || low || high || high | |||
|- | |||
| x || x || high || x || low || high || high | |||
|- | |||
| high || high || low || low || high || high || high | |||
|- | |||
| high || high || high || low || high || high || high | |||
|} | |||
=== See Also === | |||
* [[MAD-1]] | |||
=== Reference === | === Reference === | ||
Latest revision as of 03:26, 21 July 2023
The Memory Address Decoder with Reset-Inverter is similar to MAD-1, except that pin 4 outputs RESET.
Logic Table
| IN0 Address 0 | IN1 Address 1 | IN2 Address 2 | IN3 Address 3 | IN4 /ROM | IN5 MODE | IN6 /RES |
|---|---|---|---|---|---|---|
| x | x | x | x | x | x | high |
| x | x | low | low | low | low | high |
| x | x | high | low | low | low | high |
| x | x | low | high | low | low | high |
| low | high | high | high | low | low | high |
| x | x | low | x | low | high | high |
| x | x | high | x | low | high | high |
| high | high | low | low | high | high | high |
| high | high | high | low | high | high | high |