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MCP23S08T-E/SO Datasheet(PDF) 1 Page - Microchip Technology |
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MCP23S08T-E/SO Datasheet(HTML) 1 Page - Microchip Technology |
1 / 44 page © 2007 Microchip Technology Inc. DS21919D-page 1 MCP23008/MCP23S08 Features • 8-bit remote bidirectional I/O port - I/O pins default to input • High-speed I2C™ interface (MCP23008) - 100 kHz - 400 kHz -1.7 MHz • High-speed SPI interface (MCP23S08) -10 MHz • Hardware address pins - Three for the MCP23008 to allow up to eight devices on the bus - Two for the MCP23S08 to allow up to four devices using the same chip-select • Configurable interrupt output pin - Configurable as active-high, active-low or open-drain • Configurable interrupt source - Interrupt-on-change from configured defaults or pin change • 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 (I-Temp) - 2.7V to 5.5V @ -40°C to +85°C (I-Temp) - 4.5V to 5.5V @ -40°C to +125°C (E-Temp) Packages • 18-pin PDIP (300 mil) • 18-pin SOIC (300 mil) • 20-pin SSOP • 20-pin QFN Block Diagram GP0 GP1 GP2 GP3 GP4 GP5 GP6 GP7 Serial Control GPIO SCL SDA RESET INT 8 Configuration/ 8 A2:A0 3 Control Registers Serializer/ Deserializer Interrupt Logic VDD VSS POR Decode Interface SCK SI SO MCP23S08 MCP23008 A1:A0 MCP23S08 8-Bit I/O Expander with Serial Interface |
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