24LC256 256Kb I2C Compatible 2-Wire Serial EEPROM
I2C Serial EEPROM, 256Kb (32768 x 8), 2.5–5.5V, DIP-8/SOIC-8/TSSOP-8/DFN-8. Up to 8 devices on one bus via A0–A2 address pins.
Aliase:AT24C256, 24C256, 32KB EEPROM
DIP-8 Top View
8 Pins
Pin-Tabelle8
| Pin | Signal / Name | Typ | Alternative Funktionen |
|---|---|---|---|
| 1 | A0 | Digital | I2C Hardware Address Bit 0 |
| 2 | A1 | Digital | I2C Hardware Address Bit 1 |
| 3 | A2 | Digital | I2C Hardware Address Bit 2 |
| 4 | GND | Ground | System Ground (0V) |
| 5 | SDA | Digital | I2C Serial Data (Open-Drain, bidirectional) |
| 6 | SCL | Digital | I2C Serial Clock |
| 7 | WP | Digital | Write Protect (Active High — pull LOW to enable writes) |
| 8 | VCC | Power | Positive Power Supply (2.5–5.5V) |