MCP23009-E/P Microchip Technology, MCP23009-E/P Datasheet - Page 10

• Manufacturer Part Number: MCP23009-E/P
• Description: IC I/O EXPANDER I2C 8B 18DIP
• Manufacturer: Microchip Technology

Specifications of MCP23009-E/P

• Interface: I²C
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 3.4MHz
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 18-DIP (0.300", 7.62mm)
• Chip Configuration: 8 Bit
• Bus Frequency: 3.4MHz
• Ic Interface Type: I2C
• No. Of I/o's: 8
• Supply Voltage Range: 1.8V To 5.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 18
• Termination Type: DIP
• Filter Terminals: DIP
• Rohs Compliant: Yes
• Features: Open-drain Outputs
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP23009/MCP23S09
FIGURE 1-3:
DS22121A-page 10
Assume:
n = A2, A1, A0 in opcode
ratio = R2/(R1+R2)
V2 = voltage on ADDR pin
V2(min) = V2 - (VDD/8) x %tolerance
V2(max) = V2 + (VDD/8) x %tolerance
n
n
n
n
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
VOLTAGE AND CODE EXAMPLE
R2=2n+1
R2=2n+1
R2=2n+1
R2=2n+1
11
13
15
11
13
15
11
13
15
11
13
15
1
3
5
7
9
1
3
5
7
9
1
3
5
7
9
1
3
5
7
9
R1=16-R2 R2/(R1+R2)
R1=16-R2 R2/(R1+R2)
R1=16-R2 R2/(R1+R2)
R1=16-R2
15
13
11
15
13
11
15
13
11
15
13
11
9
7
5
3
1
9
7
5
3
1
9
7
5
3
1
9
7
5
3
1
R2/(R1+R2)
0.0625
0.1875
0.3125
0.4375
0.5625
0.6875
0.8125
0.9375
0.0625
0.1875
0.3125
0.4375
0.5625
0.6875
0.8125
0.9375
0.0625
0.1875
0.3125
0.4375
0.5625
0.6875
0.8125
0.9375
0.0625
0.1875
0.3125
0.4375
0.5625
0.6875
0.8125
0.9375
VDD= 1.8
VDD= 2.7
VDD= 5.5
VDD= 3.3
V2
V2
V2
V2
0.113
0.338
0.563
0.788
1.013
1.238
1.463
1.688
0.169
0.506
0.844
1.181
1.519
1.856
2.194
2.531
0.344
1.031
2.406
3.094
3.781
4.469
5.156
0.206
0.619
1.031
1.444
1.856
2.269
2.681
3.094
1.719
10% Tolerance (total)
10% Tolerance (total)
10% Tolerance (total)
V2(min)
V2(min)
V2(min)
10% Tolerance (total)
V2(min)
0.00
0.32
0.54
0.77
0.99
1.22
1.44
1.67
0.00
0.48
0.82
1.16
1.50
1.83
2.17
2.51
0.00
1.01
1.70
2.38
3.07
3.76
4.45
5.13
0.00
0.60
1.01
1.42
1.83
2.25
2.66
3.07
© 2008 Microchip Technology Inc.
V2(max)
V2(max)
V2(max)
V2(max)
0.14
0.36
0.59
0.81
1.04
1.26
1.49
1.80
0.19
0.53
0.87
1.20
1.54
1.88
2.22
2.70
0.37
1.05
1.74
2.43
3.12
3.80
4.49
5.50
0.23
0.64
1.05
1.47
1.88
2.29
2.70
3.30