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INF8574

IK Semiconductor
Part Number INF8574
Manufacturer IK Semiconductor
Description Remote 8-Bit. I/O Expander for I2C Bus
Published Jan 15, 2006
Detailed Description w simple slave device. INF8574 e GENERAL DESCRIPTION e h The INF8574 is a silicon CMOS circuit. It provides general pur...
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INF8574
INF8574

Overview
w simple slave device.
INF8574 e GENERAL DESCRIPTION e h The INF8574 is a silicon CMOS circuit.
It provides general purpose remote I/O expansion for most S microcontroller families via the two-line bidirectional bus (I C).
a t The device consists of an 8-bit quasi-bidirectional Port and an I C interface.
The INF8574 has a low current a consumption and includes latched outputs with high current drive capability for directly driving LEDs.
It .
D an interrupt line (INT) which can be connected to the interrupt logic of the microcontroller.
also possesses Byw sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming w data on its ports without having to communicate via the I C-bus.
This means that the INF8574 can remain a 2 2 2 U 4 t m o .
c TECHNICAL DATA FEATURES 　 Operating supply voltage 2.
5 to 6 V 　 Low standby current consumption of 10 　A maximum 　 I2C to parallel port expander 　 Open-drain interrupt output 　 8-bit remote I/O Port ...


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