MCP23009-E/SS Microchip Technology, MCP23009-E/SS Datasheet - Page 8
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MCP23009-E/SS
Manufacturer Part Number
MCP23009-E/SS
Description
IC I/O EXPANDER I2C 8B 20SSOP
Manufacturer
Microchip Technology
Specifications of MCP23009-E/SS
Package / Case
20-SSOP
Interface
I²C
Number Of I /o
8
Interrupt Output
Yes
Frequency - Clock
3.4MHz
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Logic Family
Interface ICs
Propagation Delay Time
50 ns
Operating Supply Voltage
1.8 V to 5.5 V
Power Dissipation
700 mW
Operating Temperature Range
- 40 C to + 125 C
Input Voltage
1.8 V to 5.5 V
Logic Type
I/O Expander
Maximum Clock Frequency
10 MHz
Maximum Operating Frequency
3.4 MHz
Mounting Style
SMD/SMT
Output Current
200 mA
Output Voltage
0.6 V to 4.8 V
Chip Configuration
8 Bit
Bus Frequency
3.4MHz
Ic Interface Type
I2C
No. Of I/o's
8
Supply Voltage Range
1.8V To 5.5V
Digital Ic Case Style
SSOP
No. Of Pins
20
Interface Type
I2C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
MCP23009/MCP23S09
FIGURE 1-1:
DS22121B-page 8
SR
w
S
P
R
ADDR
D
D
OP
OUT
IN
- Start
- Restart
- Stop
- Read
- Write
- Data out from MCP23009
- Data in to MCP23009
- Device opcode
- Device address
Sequential
Sequential
Byte
Byte
MCP23009 I
S
S
S
S
S
S
OP
OP
OP
OP
OP
OP
2
C™ DEVICE PROTOCOL
W
R
W
W
W
W
ADDR
Byte and Sequential Write
Byte and Sequential Read
ADDR
ADDR
ADDR
ADDR
SR
SR
SR
OP
SR
SR
P
SR
D
P
IN
D
OP
OP
OUT
D
D
W
OP
OP
IN
IN
OP
....
ADDR
....
R
R
....
R
W
R
D
D
IN
D
D
ADDR
OUT
D
OUT
OUT
D
P
D
OUT
D
IN
OUT
IN
© 2009 Microchip Technology Inc.
....
....
....
....
....
P
D
P
P
D
D
OUT
OUT
D
D
P
IN
OUT
OUT
P
P
P
P
P