SM8577B ic equivalent, real-time clock ic.
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
.
Number 1 2 3 Name CE DATA CLK I/O I I/O I Description Chip enable. With pull-down resistor built-in. HIGH: Enable LOW: DATA goes high impedance; input on CLK and DATA stops; and the TM bit is cleared. Data read and write input/output Serial clock inp.
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