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Part Number Description Number of I/Os Standby Current Max Output device current Default POR Output State Hardware Reset input Configuration Registers I/O Pull-Up Number of Device Address Cross Reference Max frequency (kHz) I2C Adress Vcc Range(V) Interrupt 5V-to lerant I/O Output type max I/O voltage tolerance Pin/Package
AT8574 8 2.5μA 25mA Hi-Z Input Weak PU 8 PCF8574 100 0100xxx 2.3~5.5 Quasi-Output 5.5V SOP16L SOP16L(W)
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