MCP23S18T-E/SO Microchip Technology, MCP23S18T-E/SO Datasheet - Page 14

• Manufacturer Part Number: MCP23S18T-E/SO
• Description: 16-bit Input/Output Expander, I2C Interface, Pb-free 28 SOIC .300in T/R
• Manufacturer: Microchip Technology

Specifications of MCP23S18T-E/SO

• Interface: SPI
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 10MHz
• 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)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP23018/MCP23S18
FIGURE 1-8:
FIGURE 1-9:
DS22103A-page 14
CS
S
0
0
1
1
Device Opcode
Device Opcode
0
0
I
SPI ADDRESSING REGISTERS
2
C™ ADDRESSING REGISTERS
0
0
A2 A1 A0
0
The ACKs are provided by the MCP23X18.
0
0
R/W = 0
R/W
0
ACK
A7
A6
A7
A5
A6
Register Address
A4
A5
Register Address
A3
A4
A2
A3
© 2008 Microchip Technology Inc.
A1
A2
A0
A1
A0
ACK