MCP23018 MICROCHIP [Microchip Technology], MCP23018 Datasheet - Page 14
![no-image](/images/no-image-200.jpg)
MCP23018
Manufacturer Part Number
MCP23018
Description
16-Bit I/O Expander with Open-Drain Outputs
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP23018.pdf
(56 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP23018-E/MJ
Manufacturer:
Microchip
Quantity:
1 195
Part Number:
MCP23018-E/MJ
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
MCP23018-E/SO
Manufacturer:
Microchip
Quantity:
297
Company:
Part Number:
MCP23018-E/SP
Manufacturer:
Microchip
Quantity:
341
Company:
Part Number:
MCP23018-E/SS
Manufacturer:
Microchip
Quantity:
6 037
Company:
Part Number:
MCP23018T-E/MJ
Manufacturer:
MICROCHIP
Quantity:
12 000
Part Number:
MCP23018T-E/MJ
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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