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It supports up to 9 address lines and is compatible with various DRAM chips.\nBy default, it supports the 4164 DRAM chip.\n\n## Read / Write cycles\n\n### Read Cycle\n\n![Read Cycle](docs/read_cycle.png)\n\n### Write Cycle\n\n![Write Cycle](docs/write_cycle.png)\n\n## Arduino Nano connections\n\n### DRAM 4164 / 41256 pinout\n\n```\n                 -------------------\n     (PB0)  5 --| A0  |       |     |\n     (PB1)  7 --| A1  | 4164/ |     |\n     (PB2)  6 --| A2  | 41256 |     |\n     (PB3) 12 --| A3  |       |     |\n     (PB4) 11 --| A4  |       |  DO |-- 14 (PD3)\n     (PB5) 10 --| A5  |       |     |\n     (PC0) 13 --| A6  |       |     |\n     (PC1)  9 --| A7  |       |     |\n     (PC2)  1 --| A8* |       |     |\n                |-----|       |-----|\n     (PD2)  2 --| DI  |       |     |\n                |-----|       |     |\n     (PD5)  4 --o RAS |       | +5V |-- 8 (PC3)\n     (PD4) 15 --o CAS |       |     |\n     (PD6)  3 --o WE  |       | GND |-- 16\n                 -------------------\n```\n\n### LED\n\n```\n    (PC4)  LED Green\n    (PC5)  LED Red\n```\n\n### Button\n\n```\n    (PC5) Start Button\n```\n\n## How to use arduino-cli\n\n[Arduino CLI](https://create.arduino.cc/projecthub/B45i/getting-started-with-arduino-cli-7652a5)\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Freybits%2Fdram-tester","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Freybits%2Fdram-tester","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Freybits%2Fdram-tester/lists"}