Microchip
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32Kbit (4KB) I2C EEPROM. Non-volatile storage for settings and logs; usually paired with a DS3231.
| Part number | AT24C32 |
|---|---|
| Manufacturer | Microchip |
| Category | Memory & Storage › EEPROM |
| Package | DIP-8 |
| Pins | 8 |
AT24C32 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | A0 | input | Address bit 0 |
| 2 | A1 | input | Address bit 1 |
| 3 | A2 | input | Address bit 2 |
| 4 | GND | ground | Ground |
| 5 | SDA | bidirectional | I2C data |
| 6 | SCL | bidirectional | I2C clock |
| 7 | WP | input | Write protect — tie low to allow writes |
| 8 | VCC | power | Supply, 1.7–5.5V |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-8 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.