AT24C01C, AT24C02C, AT24C04C, AT24C08C 2 I C Automotive Temperature Serial EEPROMs 1K (128 x 8), 2K (256 x 8), 4K (512 x 8), 8K (1,024 x 8) DATASHEET Features 2 2-Wire Serial Interface Compatible with I C Internally Organized 128 x 8 (1K), 256 x 8 (2K), 512 x 8 (4K), or 1,024 x 8 (8K) Low-voltage, Medium-voltage, and High-voltage Operation Grade 1, V = 2.5V to 5.5V CC (1) Grade 2 and 3, V = 1.7V to 5.5V CC (1) Extended Temperature Range (Grade 1, 2 , and 3 as defined in AEC-Q100) Grade 1 Temperature Range: -40C to 125C (1) Grade 2 Temperature Range : -40 C to 105C Grade 3 Temperature Range: -40C to 85C Schmitt Trigger, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol 400kHz (2.5V) Compatibility Write Protect Pin for Hardware Data Protection 8-byte Page (1K, 2K) or 16-byte Page (4K, 8K) Write Modes Partial Page Writes are Allowed Self-timed Write Cycle (5ms Max) High Reliability Endurance: 1,000,000 Write Cycles Data Retention: 100 Years 8-lead JEDEC SOIC, 8-lead TSSOP, and 8-pad UDFN Packages Note: 1. Contact Sales for Grade 2 Availability Description The Atmel AT24C01C/02C/04C/08C provides 1,024/2,048/4,096/8,192 bits of Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 128/256/512/1,024 words of eight bits each. The device is optimized for use in many automotive applications where low-power and low-voltage operation are essential. AT24C01C/02C/04C/08C is available in space-saving 8-lead JEDEC SOIC, 8-lead TSSOP, and 8-pad UDFN packages and is accessed via a 2-wire serial interface. In addition, the entire family is available in (1) from 2.5 to 5.5V for Grade 1 or 1.7 to 5.5V) for Grade 2 and 3. Atmel-8819C-SEEPROM-AT24C01C-02C-04C-08C-Auto-Datasheet 092016Table of Contents 1. Pin Configurations and Pinouts . 3 2. Absolute Maximum Ratings* 3 3. Block Diagram 4 4. Pin Description . 5 5. Memory Organization . 6 5.1 Pin Capacitance . 6 5.2 DC Characteristics . 6 5.3 AC Characteristics . 7 6. Device Operation . 8 7. Device Addressing . 11 8. Write Operations . 12 9. Read Operations . 13 10. Power Recommendation . 14 11. Ordering Information 15 11.1 Ordering Code Detail 15 11.2 Ordering Code Information 16 11.2.1 Automotive Grade 1, V = 2.5V to 5.5V . 16 CC 11.2.2 Automotive Grade 3, V = 1.7V to 5.5V . 17 CC 11.3 Product Markings . 18 12. Packaging Information . 19 12.1 8S1 8-lead JEDEC SOIC . 19 12.2 8X 8-lead TSSOP . 20 12.3 8MA2 8-pad UDFN 21 13. Revision History . 22 2 AT24C01C/02C/04C/08C Automotive DATASHEET Atmel-8819C-SEEPROM-AT24C01C-02C-04C-08C-Auto-Datasheet 092016