资料介绍
DS1672.pdf 查询DS1672S-2供应商
DS1672
Low-Voltage Serial Timekeeping Chip
www.maxim-ic.com
FEATURES PIN ASSIGNMENT
§ 32-bit counter
§ Two-wire serial interface X1 1 8 VCC
§ Automatic power-fail detect and switch
X2 2 7 RST
circuitry
§ Power-fail reset output VBACKUP 3 6 SCL
§ Low-voltage oscillator operation (1.3V min.) GND 4 5 SDA
§ Trickle charge capability
§ Underwriters Laboratory (UL) recognized
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