MCP23S18-E/MJ Microchip Technology, MCP23S18-E/MJ Datasheet - Page 11

• Manufacturer Part Number: MCP23S18-E/MJ
• Description: IC I/O EXPANDER SPI 16B 24QFN
• Manufacturer: Microchip Technology

Specifications of MCP23S18-E/MJ

• Package / Case: 24-QFN
• Interface: SPI
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 10MHz
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Logic Family: Interface ICs
• 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: 3.4 MHz
• Mounting Style: SMD/SMT
• Output Current: 400 mA
• Output Voltage: 0.6 V to 4.8 V
• Package: 24QFN EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 1-3:
© 2008 Microchip Technology Inc.
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
MCP23018/MCP23S18
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
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
DS22103A-page 11