MCP23009 Microchip Technology Inc., MCP23009 Datasheet - Page 29

• Manufacturer Part Number: MCP23009
• Description: 8-bit I/o Expander With Open-drain Outputs
• Manufacturer: Microchip Technology Inc.

2.0
Absolute Maximum Ratings
Ambient temperature under bias.............................................................................................................-40°C to +125°C
Storage temperature .............................................................................................................................. -65°C to +150°C
Voltage on V
Voltage on RESET with respect to V
Voltage on all other pins with respect to V
Voltage on GPIO Pins: ................................................................................................................................. -0.6V to 5.5V
Total power dissipation (Note 1)...........................................................................................................................700 mW
Maximum current out of V
Maximum current into V
Input clamp current, I
Output clamp current, I
Maximum output current sunk by any Output pin....................................................................................................25 mA
Maximum output current sunk by any Output pin (V
© 2008 Microchip Technology Inc.
†
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
Note:
NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
ELECTRICAL CHARACTERISTICS
Power dissipation is calculated as follows:
Pdis = V
DD
with respect to V
DD
IK
OK
(V
x {I
DD
SS
I
(V
DD
< 0 or V
pin ..............................................................................................................................125 mA
O
pin ...........................................................................................................................200 mA
- ∑ I
< 0 or V
SS
OH
I
> V
......................................................................................................... -0.3V to +7.0V
SS
} + ∑ {(V
(†)
O
..................................................................................................... -0.3V to +14V
DD
> V
SS
)...................................................................................................................... ±20 mA
DD
(except V
DD
) .............................................................................................................. ±20 mA
-V
OH
DD
) x I
DD
= 1.8V) ..............................................................................10 mA
OH
and GPIOA/B) ..................................... -0.6V to (V
} + ∑(V
MCP23009/MCP23S09
OL
x I
OL
)
DS22121A-page 29
DD
+ 0.6V)