HT2201

HT2201 CMOS 1K 2-Wire Serial EEPROM Features Operating voltage: 1.8V~5.5V for temperature -40°C to +85°C Low power consumption –– Operation: 5mA max. –– Standby: 2μA max. Internal organization: 128×8 2-wire serial interface Write cycle time: 5ms max. Automatic erase-before-write operation Write operation with built-in timer 40-year data retention 106 erase/write cycles per word SOT23-5 package Block Diagram SCL SDA I/O C o n tro l L o g ic M e m o ry C o n tro l L o g ic A d d re s s C o u n te r VCC VSS H V P um p X D EEPRO M E A rra y C P age B uf YDEC S ense A M P R /W C o n tro l General Description The HT2201 is a 1K-bit serial read/write non-volatile memory device using the CMOS floating gate process. Its 1024 bits of memory are organized into 128 words and each word is 8 bits. The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential. The HT2201 is guaranteed for 1 million erase/write cycles and 40-year data retention. Pin Assignment VCC SDA 54 Top 1 2 3 V ie w SCL VSS NC H T2201 S O T 2 3 -5 -A Selection Table Part No. HT2201 Capacity VDD Clock Rate Write Speed (kHz) @2.4V(ms) 128×8 1.8V~5.5V 400 5 Operating Current @5.0V(mA) 5 Standby Current @5.0V(μA) 2 Package SOT23-5 Marking 2201+ Pin Description Pin Name SDA SCL VSS VCC I/O Description I/O Serial data input/output I Serial clock data input — Negative power supply, ground — Positive pow...