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SM8577B Real-time Clock

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Description

SM8577B NIPPON PRECISION CIRCUITS INC.Real-time Clock IC OVERVIEW The SM8577B is a CMOS serial-interface type realtime clock IC that operates at 32.
Number 1 2 3 Name CE DATA CLK I/O I I/O I Description Chip enable.

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Features

* an output interrupt with 32 kHz or 1 Hz output frequency. It is available in 8-pin SOPs. PINOUT CE DATA CLK FOUT 1 8 VDD XTN XT VSS 8577B FEATURES s s s s s 4 5 s s s s s 2.5 to 5.5 V operating voltage range 1.0 µA at 3.0 V (typ) current consumption 3-line serial interface 1.7 ± 0.3 V sup

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