MCP23008 Microchip Technology, MCP23008 Datasheet - Page 29

• Manufacturer Part Number: MCP23008
• Description: 8-Bit I/O Expander with Serial Interface
• Manufacturer: Microchip Technology

FIGURE 2-6:
TABLE 2-3:
© 2007 Microchip Technology Inc.
SPI Interface AC Characteristics
Note 1:
Param
SCK
No.
SO
1
2
3
4
5
6
7
8
CS
SI
2:
Clock Frequency
CS Setup Time
CS Hold Time
CS Disable Time
Data Setup Time
Data Hold Time
CLK Rise Time
CLK Fall Time
Clock High Time
This parameter is characterized, not 100% tested.
T
V
= 90 ns (max) when address pointer rolls over from address 0x0A to 0x00.
Characteristic
SPI INTERFACE AC CHARACTERISTICS
MSb out
SPI OUTPUT TIMING
12
8
9
Operating Conditions (unless otherwise indicated):
1.8V ≤ V
4.5V ≤ V
T
T
Sym
F
T
don’t care
T
T
T
CSS
CSH
CSD
T
T
CLK
SU
HD
HI
R
F
DD
DD
≤ 5.5V at -40°C ≤ T
≤ 5.5V at -40°C ≤ T
Min
100
100
50
50
50
50
50
20
10
10
20
10
10
90
45
45
13
—
—
—
—
—
MCP23008/MCP23S08
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Max
10
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
2
2
A
A
≤ +85°C (I-Temp)
≤ +125°C (E-Temp) (Note 1)
Units
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
1.8V – 5.5V (I-Temp)
2.7V – 5.5V (I-Temp)
4.5V – 5.5V (E-Temp)
1.8V – 5.5V (I-Temp)
2.7V – 5.5V (I-Temp)
4.5V – 5.5V (E-Temp)
1.8V – 5.5V (I-Temp)
2.7V – 5.5V (I-Temp)
4.5V – 5.5V (E-Temp)
1.8V – 5.5V (I-Temp)
2.7V – 5.5V (I-Temp)
4.5V – 5.5V (E-Temp)
1.8V – 5.5V (I-Temp)
2.7V – 5.5V (I-Temp)
4.5V – 5.5V (E-Temp)
Note 1
Note 1
1.8V – 5.5V (I-Temp)
2.7V – 5.5V (I-Temp)
4.5V – 5.5V (E-Temp)
Conditions
LSb out
14
2
DS21919D-page 29
Mode 1,1
Mode 0,0