AT24HC02B

Features Write Protect Pin for Hardware Data Protection – Utilizes Different Array Protection Compared to the AT24C02B Low-voltage and Standard-voltage Operation – 1.8 (VCC = 1.8V to 5.5V) Internally Organized 256 x 8 (2K) Two-wire Serial Interface Schmitt Trigger, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol 1 MHz (5V) and 400 kHz (1.8V, 2.5V, 2.7V) Clock Rate 8-byte Page Partial Page Writes Allowed Self-timed Write Cycle (5 ms Max) High Reliability – Endurance: One Million Write Cycles – Data Retention: 100 Years 8-lead PDIP, 8-lead JEDEC SOIC and 8-lead TSSOP Packages Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers Two-wire Serial EEPROM 2K (256 x 8) Description The AT24HC02B provides 2048 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 256 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low-power and lowvoltage operation are essential. The AT24HC02B is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC and 8-lead TSSOP packages and is accessed via a two-wire serial interface. In addition, the entire family is available in 1.8V (1.8V to 5.5V) version. www.DataSheet4U.com AT24HC02B Preliminary Table 1. Pin Configuration Pin Name A0–A2 SDA SCL WP Function Address Inputs Serial Data Serial Clock Input Write Protect 8-lead TSSOP A0 A1 A2 GND 1 2 3 4 8 7 6 5 VCC WP SCL SDA 8-lead PDIP A0 A1 A2 GND 1 ...