MCP23008-E/SO データシートの表示（PDF） - Microchip Technology
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MCP23008-E/SO Datasheet PDF : 44 Pages
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FIGURE 2-6:
SPI OUTPUT TIMING
MCP23008/MCP23S08
CS
SCK
SO
SI
8
9
12
MSb out
13
don’t care
2
Mode 1,1
Mode 0,0
14
LSb out
TABLE 2-3: SPI INTERFACE AC CHARACTERISTICS
SPI Interface AC Characteristics
Operating Conditions (unless otherwise indicated):
1.8V ≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +85°C (I-Temp)
4.5V ≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C (E-Temp) (Note 1)
Param
No.
Characteristic
Sym Min Typ Max Units
Conditions
Clock Frequency
FCLK
——
5 MHz 1.8V – 5.5V (I-Temp)
—
—
10 MHz 2.7V – 5.5V (I-Temp)
—
—
10 MHz 4.5V – 5.5V (E-Temp)
1 CS Setup Time
TCSS
50
—
—
ns
2 CS Hold Time
TCSH
100
—
—
ns 1.8V – 5.5V (I-Temp)
50
—
—
ns 2.7V – 5.5V (I-Temp)
50
—
—
ns 4.5V – 5.5V (E-Temp)
3 CS Disable Time
TCSD
100
—
—
ns 1.8V – 5.5V (I-Temp)
50
—
—
ns 2.7V – 5.5V (I-Temp)
50
—
—
ns 4.5V – 5.5V (E-Temp)
4 Data Setup Time
TSU
20
—
—
ns 1.8V – 5.5V (I-Temp)
10
—
—
ns 2.7V – 5.5V (I-Temp)
10
—
—
ns 4.5V – 5.5V (E-Temp)
5 Data Hold Time
THD
20
—
—
ns 1.8V – 5.5V (I-Temp)
10
—
—
ns 2.7V – 5.5V (I-Temp)
10
—
—
ns 4.5V – 5.5V (E-Temp)
6 CLK Rise Time
TR
——
2
µs Note 1
7 CLK Fall Time
TF
——
2
µs Note 1
8 Clock High Time
THI
90
—
—
ns 1.8V – 5.5V (I-Temp)
45
—
—
ns 2.7V – 5.5V (I-Temp)
45
—
—
ns 4.5V – 5.5V (E-Temp)
Note 1: This parameter is characterized, not 100% tested.
2: TV = 90 ns (max) when address pointer rolls over from address 0x0A to 0x00.
© 2007 Microchip Technology Inc.
DS21919D-page 29
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