MCP23017

`16-bit remote bidirectional I/O port
-I/O pins default to input
`High-speed I²C^TM interface (MCP23017)
-100kHz
-400kHz
-1.7MHz
`High-speed SPI<sup>TM</sup> interface (MCP23S17)
-10MHz (max.)
`Three hardware address pins to allow up to eight devices on the bus
`Configurable interrupt output pins
-Configurable as active-high, active-low or open-drain
`INTA and INTB can be configured to operate independently or together
`Configurable interrupt source
-Interrupt-on-change from configured register defaults or pin changes
`Polarity Inversion register to configure the polarity of the input port data
`External Reset input
`Low standby current: 1A (max.)
`Operating voltage:
-1.8V to 5.5V @ -40 to +85
-2.7V to 5.5V @ -40 to +85
-4.5V to 5.5V @ -40!aC to +125

Absolute Maximum Ratings(†)
Ambient temperature under bias...........................-40°C to +125°C
Storage temperature .............................................65°C to +150°C
Voltage on V_DD with respect to V_SS ...............................0.3 to +5.5V
Voltage on all other pins with respect to V_SS .. -0.6V to (V_DD + 0.6V)
Total power dissipation(note) ................................................700mW
Max. current out of V_SS pin .....................................................150mA
Max. current into V_DD pin .......................................................125 mA
Input clamp current, I_IK (V_I < 0 or V_I > V_DD).........................±20 mA
Output clamp current, I_OK (V_O < 0 or V_O > V_DD) ...................±20 mA
Max. output current sunk by any I/O pin ..................................25 mA
Max. output current sourced by any I/O pin .............................25 mA

Note : Power dissipation is calculated as follows:
PD_IS = V_DD x {I_DD I_OH} + {(V_DD V_OH) x I_OH} + (V_OL x I_OL)

MCP23017 features: