AT24C08D IC-Compatible (2-Wire) Serial EEPROM 8-Kbit (1,024 x 8) Features Low-Voltage Operation: Vcc = 1.7V to 3.6V Internally Organized as 1,024 x 8 (8K) Industrial Temperature Range -40C to +85C 2 I C-Compatible (2-Wire) Serial Interface: 100 kHz Standard mode, 1.7V to 3.6V 400 kHz Fast mode, 1.7V to 3.6V 1 MHz Fast Mode Plus (FM+), 2.5V to 3.6V Schmitt Triggers, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol Write-Protect Pin for Full Array Hardware Data Protection (except WLCSP) Ultra Low Active Current (1 mA maximum) and Standby Current (0.8 A maximum) 16-Byte Page Write Mode: Partial page writes allowed Random and Sequential Read Modes Self-Timed Write Cycle within 5 ms Maximum ESD Protection > 4,000V High Reliability: Endurance: 1,000,000 write cycles Data retention: 100 years Green Package Options (Lead-free/Halide-free/RoHS compliant) Die Sale Options: Wafer Form and Bumped Wafers Packages (1) 8-Lead PDIP , 8-Lead SOIC, 5-Lead SOT23, 8-Lead TSSOP, 8-Pad UDFN, 8-Ball VFBGA and 4- Ball WLCSP Note: 1. Contact Microchip Sales for the availability of this package. Datasheet DS20006022A-page 1 2018 Microchip Technology Inc. AT24C08D Table of Contents Features.......................................................................................................................... 1 Packages.........................................................................................................................1 1. Package Types (not to scale).................................................................................... 4 2. Pin Descriptions.........................................................................................................5 2.1. Device Address Input (A2)........................................................................................................... 5 2.2. Ground......................................................................................................................................... 5 2.3. Serial Data (SDA).........................................................................................................................5 2.4. Serial Clock (SCL)........................................................................................................................6 2.5. Write-Protect (WP)....................................................................................................................... 6 2.6. Device Power Supply................................................................................................................... 6 3. Description.................................................................................................................7 3.1. System Configuration Using 2-Wire Serial EEPROMs.................................................................7 3.2. Block Diagram..............................................................................................................................8 4. Electrical Characteristics........................................................................................... 9 4.1. Absolute Maximum Ratings..........................................................................................................9 4.2. DC and AC Operating Range.......................................................................................................9 4.3. DC Characteristics....................................................................................................................... 9 4.4. AC Characteristics......................................................................................................................10 4.5. Electrical Specifications..............................................................................................................12 5. Device Operation and Communication....................................................................14 5.1. Clock and Data Transition Requirements...................................................................................14 5.2. Start and Stop Conditions.......................................................................................................... 14 5.3. Acknowledge and No-Acknowledge...........................................................................................15 5.4. Standby Mode............................................................................................................................ 15 5.5. Software Reset...........................................................................................................................16 6. Memory Organization.............................................................................................. 17 6.1. Device Addressing..................................................................................................................... 17 7. Write Operations......................................................................................................19 7.1. Byte Write...................................................................................................................................19 7.2. Page Write..................................................................................................................................19 7.3. Acknowledge Polling.................................................................................................................. 20 7.4. Write Cycle Timing..................................................................................................................... 20 7.5. Write Protection..........................................................................................................................21 8. Read Operations..................................................................................................... 23 8.1. Current Address Read................................................................................................................23 8.2. Random Read............................................................................................................................ 23 DS20006022A-page 2 Datasheet 2018 Microchip Technology Inc.