MCP23S08-E/SO Microchip Technology, MCP23S08-E/SO Datasheet - Page 18
![IC I/O EXPANDER SPI 8B 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
MCP23S08-E/SO
Manufacturer Part Number
MCP23S08-E/SO
Description
IC I/O EXPANDER SPI 8B 18SOIC
Manufacturer
Microchip Technology
Specifications of MCP23S08-E/SO
Package / Case
18-SOIC (7.5mm Width)
Interface
SPI
Number Of I /o
8
Interrupt Output
Yes
Frequency - Clock
10MHz
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Includes
POR
Logic Family
MCP23S08
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
1.7 MHz
Mounting Style
SMD/SMT
Output Current
25 mA
Output Voltage
1.8 V to 4.5 V
Chip Configuration
8 Bit
Bus Frequency
10MHz
Ic Interface Type
Serial, SPI
No. Of I/o's
8
Supply Voltage Range
1.8V To 5.5V
Digital Ic Case Style
SOIC
No. Of Pins
18
Filter Terminals
SMD
Rohs Compliant
Yes
Delay Time
50ns
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
GPIODM-KPLCD - BOARD DEMO LCD GPIO EXP KEYPAD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP23S08-E/SO
Manufacturer:
HIMAX
Quantity:
1 450
Part Number:
MCP23S08-E/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
MCP23008/MCP23S08
1.6.9
The INTCAP register captures the GPIO port value at
the time the interrupt occurred. The register is ‘read-
only’ and is updated only when an interrupt occurs. The
register will remain unchanged until the interrupt is
cleared via a read of INTCAP or GPIO.
REGISTER 1-9:
DS21919E-page 18
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
ICP7
R-x
INTERRUPT CAPTURE (INTCAP)
REGISTER
ICP7:ICP0: These bits reflect the logic level on the port pins at the time of interrupt due to pin change
<7:0>
1 = Logic-high.
0 = Logic-low.
ICP6
R-x
INTCAP – INTERRUPT CAPTURED VALUE FOR PORT REGISTER (ADDR 0x08)
W = Writable bit
‘1’ = Bit is set
ICP5
R-x
ICP4
R-x
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
ICP3
R-x
ICP2
R-x
© 2007 Microchip Technology Inc.
x = Bit is unknown
ICP1
R-x
ICP0
R-x
bit 0