MCP23018-E/SO Microchip Technology, MCP23018-E/SO Datasheet - Page 9

• Manufacturer Part Number: MCP23018-E/SO
• Description: IC I/O EXPANDER I2C 16B 28SOIC
• Manufacturer: Microchip Technology

Specifications of MCP23018-E/SO

• Interface: I²C
• Number Of I /o: 16
• 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
• Package / Case: 28-SOIC (7.5mm Width)
• Chip Configuration: 16 Bit
• Bus Frequency: 3.4MHz
• Ic Interface Type: I2C
• No. Of I/o's: 16
• Supply Voltage Range: 1.8V To 5.5V
• Digital Ic Case Style: SOIC
• No. Of Pins: 28
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Delay Time: 50ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 1-1:
© 2008 Microchip Technology Inc.
SR
w
S
P
R
ADDR
D
D
OP
OUT
IN
- Start
- Restart
- Stop
- Write
- Read
- Data out from MCP23018
- Data in to MCP23018
- Device opcode
- Device address
Sequential
Sequential
Byte
Byte
MCP23018 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
MCP23018/MCP23S18
OP
SR
SR
P
SR
D
P
D
IN
OP
OP
OUT
D
D
W
OP
OP
IN
IN
OP
....
ADDR
....
R
R
....
R
W
R
D
D
IN
D
D
ADDR
OUT
OUT
D
OUT
D
D
P
OUT
D
IN
OUT
IN
....
....
....
....
....
P
P
D
P
D
D
OUT
OUT
D
D
P
IN
OUT
IN
DS22103A-page 9
P
P
P
P
P