| Density | 128K |
| Interface Type | 2-WIRE |
| Organization | 16384 x 8 |
| Vcc (V) | 2.7 |
| Pb-Free Packages |
TSSOP 8 PDIP 8 SOIC 8 |
128Kbit, 2-Wire Bus Serial Automotive EEPROM with full memory Write Protect, supports up to 4 devices on single 2-Wire bus.
The AT24C128/256 provides 131,072/262,144 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8 bits each. The device’s cascadable feature allows up to 4 devices to share a common Two-wire bus. The device is optimized for use in many automotive applications where low power and low voltage operation are essential. The AT24C128 is available in space-saving 8-lead JEDEC SOIC and 8-lead TSSOP packages. The AT24C256 is available in a space-saving 8-lead JEDEC SOIC package. In addition, the entire family is available in 2.7V (2.7V to 5.5V) version.
| Ordering Code | Package | Operation Range |
| AT24C128-10TQ-2.7 AT24C128N-10SQ-2.7 |
8A2 8S1 |
Lead-free/Halogen-free/ Automotive Temperature (–40°C to 125°C) |
| AT24C256N-10SQ-2.7 | 8S1 |