MCP23009-E/P Microchip Technology, MCP23009-E/P Datasheet - Page 8

• Manufacturer Part Number: MCP23009-E/P
• Description: IC I/O EXPANDER I2C 8B 18DIP
• Manufacturer: Microchip Technology

Specifications of MCP23009-E/P

• 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: Through Hole
• Package / Case: 18-DIP (0.300", 7.62mm)
• 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: DIP
• No. Of Pins: 18
• Termination Type: DIP
• Filter Terminals: DIP
• Rohs Compliant: Yes
• Features: Open-drain Outputs
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP23009/MCP23S09
FIGURE 1-1:
DS22121A-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
© 2008 Microchip Technology Inc.
....
....
....
....
....
P
D
P
P
D
D
OUT
OUT
D
D
P
IN
OUT
OUT
P
P
P
P
P