MCP23018-E/SS Microchip Technology, MCP23018-E/SS Datasheet - Page 29

• Manufacturer Part Number: MCP23018-E/SS
• Description: IC I/O EXPANDER I2C 16B 24SSOP
• Manufacturer: Microchip Technology

Specifications of MCP23018-E/SS

• Package / Case: 24-SSOP
• 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
• 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: 400 mA
• Output Voltage: 0.6 V to 4.8 V
• 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: SSOP
• No. Of Pins: 24
• Rohs Compliant: Yes
• Interface Type: I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

1.6.11
The OLAT register provides access to the output
latches. A read from this register results in a read of the
OLAT and not the port itself. A write to this register
modifies the output latches that modifies the pins
configured as outputs.
REGISTER 1-13:
© 2008 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
R/W-0
OL7
OUTPUT LATCH REGISTER (OLAT)
OL7:OL0: Reflects the logic level on the output latch <7:0>.
1 = Logic-high.
0 = Logic-low.
R/W-0
OL6
OLAT – OUTPUT LATCH REGISTER 0
W = Writable bit
‘1’ = Bit is set
R/W-0
OL5
R/W-0
OL4
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
MCP23018/MCP23S18
R/W-0
OL3
R/W-0
OL2
x = Bit is unknown
R/W-0
OL1
DS22103A-page 29
R/W-0
OL0
bit 0