AT24C32 32-Kbit I2C Serial EEPROM
32-Kbit (4096 x 8) serial I2C EEPROM with hardware write protection, 32-byte page write, and 1 million write endurance. Commonly paired with DS3231 RTC modules.
Aliase:AT24C32A, AT24C32N, 24C32, I2C EEPROM, 4KB EEPROM
DIP-8 Top View
8 Pins
Pinout Table8
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | A0 | Digital | I2C Address Bit 0 (tie HIGH or LOW) |
| 2 | A1 | Digital | I2C Address Bit 1 (tie HIGH or LOW) |
| 3 | A2 | Digital | I2C Address Bit 2 (tie HIGH or LOW) |
| 4 | GND | Ground | Ground |
| 5 | SDA | Digital | I2C Serial Data (open-drain, requires pull-up) |
| 6 | SCL | Digital | I2C Serial Clock (requires pull-up) |
| 7 | WP | Digital | Write Protect (HIGH = read-only, LOW = read/write) |
| 8 | VCC | Power | Positive Supply (2.7V - 5.5V) |