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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP23017 Datasheet

(MCP23017 / MCP23S17) 16-Bit I/O Expander

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MCP23017 pdf
MCP23017/MCP23S17
16-Bit I/O Expander with Serial Interface
Features
• 16-Bit Remote Bidirectional I/O Port:
- I/O pins default to input
• High-Speed I2C Interface (MCP23017):
- 100 kHz
- 400 kHz
- 1.7 MHz
• High-Speed SPI Interface (MCP23S17):
- 10 MHz (maximum)
• Three Hardware Address Pins to Allow Up to
Eight Devices On the Bus
• Configurable Interrupt Output Pins:
- Configurable as active-high, active-low or
open-drain
• INTA and INTB Can Be Configured to Operate
Independently or Together
Package Types
MCP23017
GPB0
GPB1
GPB2
GPB3
GPB4
GPB5
GPB6
GPB7
VDD
VSS
NC
SCK
SDA
NC
•1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GPA7
GPA6
GPA5
GPA4
GPA3
GPA2
GPA1
GPA0
INTA
INTB
RESET
A2
A1
A0
SOIC
SPDIP
SSOP
• Configurable Interrupt Source:
- Interrupt-on-change from configured register
defaults or pin changes
• Polarity Inversion Register to Configure the
Polarity of the Input Port Data
• External Reset Input
• Low Standby Current: 1 µA (max.)
• Operating Voltage:
- 1.8V to 5.5V @ -40°C to +85°C
- 2.7V to 5.5V @ -40°C to +85°C
- 4.5V to 5.5V @ -40°C to +125°C
Packages
• 28-pin QFN, 6 x 6 mm Body
• 28-pin SOIC, Wide, 7.50 mm Body
• 28-pin SPDIP, 300 mil Body
• 28-pin SSOP, 5.30 mm Body
GPB0
GPB1
GPB2
GPB3
GPB4
GPB5
GPB6
GPB7
VDD
VSS
CS
SCK
SI
SO
MCP23S17
• 1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
GPA7
GPA6
GPA5
GPA4
GPA3
GPA2
GPA1
GPA0
INTA
INTB
RESET
A2
A1
A0
GPB4
GPB5
GPB6
GPB7
VDD
VSS
NC
28 2726 2524 2322
1 21
2 20
3 19
4
5
EP
29 *
18
17
6 16
7 15
8 9 1011121314
GPA4
GPA3
GPA2
GPA1
GPA0
INTA
INTB
QFN
GPB4
GPB5
GPB6
GPB7
VDD
VSS
CS
28 272625242322
1 21
2 20
3 19
4
5
EP
29 *
18
17
6 16
7 15
8 9 10 11121314
GPA4
GPA3
GPA2
GPA1
GPA0
INTA
INTB
* Includes Exposed Thermal Pad; see Table 2-1.
2005-2016 Microchip Technology Inc.
DS20001952C-page 1



  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP23017 Datasheet

(MCP23017 / MCP23S17) 16-Bit I/O Expander

No Preview Available !

MCP23017 pdf
MCP23017/MCP23S17
Functional Block Diagram
CS
SCK
SI
SO
SCL
SDA
A2:A0
RESET
INTA
INTB
MCP23S17
SPI
MCP23017
Serializer/
I2C Deserializer
3
Decode
Interrupt
Logic
Control
8
Configuration/
Control
Registers
GPIO
16
GPIO
GPB7
GPB6
GPB5
GPB4
GPB3
GPB2
GPB1
GPB0
GPA7
GPA6
GPA5
GPA4
GPA3
GPA2
GPA1
GPA0
DS20001952C-page 2
2005-2016 Microchip Technology Inc.



  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP23017 Datasheet

(MCP23017 / MCP23S17) 16-Bit I/O Expander

No Preview Available !

MCP23017 pdf
MCP23017/MCP23S17
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Ambient temperature under bias.............................................................................................................-40°C to +125°C
Storage temperature ...............................................................................................................................-65°C to +150°C
Voltage on VDD with respect to VSS .......................................................................................................... -0.3V to +5.5V
Voltage on all other pins with respect to VSS (except VDD)............................................................. -0.6V to (VDD + 0.6V)
Total power dissipation.........................................................................................................................................700 mW
Maximum current out of VSS pin ...........................................................................................................................150 mA
Maximum current into VDD pin ..............................................................................................................................125 mA
Input clamp current, IIK (VI < 0 or VI > VDD).......................................................................................................... ±20 mA
Output clamp current, IOK (VO < 0 or VO > VDD)...................................................................................................±20 mA
Maximum output current sunk by any output pin ....................................................................................................25 mA
Maximum output current sourced by any output pin ...............................................................................................25 mA
ESD protection on all pins (HBM:MM) ..............................................................................................................4 kV:400V
† Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at those or any other conditions above those indicated in the
operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may
affect device reliability.
2005-2016 Microchip Technology Inc.
DS20001952C-page 3




Part Number MCP23017
Description (MCP23017 / MCP23S17) 16-Bit I/O Expander
Maker Microchip Technology
Total Page 30 Pages
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