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TC9WMB1FK
TC9WMB1FK,TC9WMB2FK TOSHIBA CMOS Digital Integrated Circuits Silicon Monolithic TC9WMB1FK,TC9WMB2FK TC9WMB1FK: 1024-Bit (128 × 8 Bit) 2-Wire Serial EEPROM TC9WMB2FK: 2048-Bit (256 × 8 Bit) 2-Wire Serial EEPROM The TC9WMB1FK and TC9WMB2FK are electrically erasable/programmable nonvolatile memory (EEPROM). Features • 2-wire serial interface (I2C BUS) • Single power supply Read: VCC = 1.8 to 5.5 V Weight: 0.01 g (typ.) Write: VCC = 2.3 to 5.5 V • Low power consumption: 5 μA (in standby state) : 0.5 mA (in read state) • Operating frequency: 400 kHz (VCC = 2.3 to 5.5 V) • Byte write and page (8-byte) write • Write protection • Sequential read • Write time: 10 ms (VCC = 3.0 to 5.5 V) 12 ms (VCC = 2.3 to 2.7 V) • Write endurance: 105 times • Data retention: 10 years • Wide operating temperature range: −40 to 85°C • Package: US8 Product Marking Pin Assignment (top view) VCC WP SCL SDA 5 8 7 6 US8 Part number 9WM B1orB2 Pin 1 index 1 1 2 NC NC 3 4 NC GND 2007-10-19
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