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MCP23008 - Expander 8-Bit

από Microchip
The MCP23008 uses two i2c pins (these can be shared with other i2c devices), and in exchange gives you 8 general purpose pins.
05-00023008
Ογκομετρικό βάρος: 0kg
Εγγύηση: Ως εξάρτημα, δεν καλύπτεται
Κατασκευαστής: Microchip
Part Number: MCP23008-E/P
Χώρα Προέλευσης: Κίνα
Κατόπιν Παραγγελίας
Παράδοση 1 με 3 ημέρες
Διαθέσιμο στο φυσικό κατάστημα
2.01
Χωρίς ΦΠΑ 1.62
+

ΠΕΡΙΓΡΑΦΗ

Add another 8 pins to your microcontroller using a MCP23008 port expander. The MCP23008 uses two i2c pins (these can be shared with other i2c devices), and in exchange gives you 8 general purpose pins. You can set each of 8 pins to be input, output, input with a pullup or open drain. There's even the ability to get an interrupt via an external pin when any of the inputs change so you don't have to keep polling the chip.

Use this chip from 2.7-5.5V (good for any 3.3V or 5V setup), and you can sink/source up to 20mA from any of the I/O pins so this will work for LEDs and such. Team it up with a high-power MOSFET if you need more juice. DIP package means it will plug into any breadboard or perfboard.

You can set the i2c address by tying the ADDR0-2 pins to power or ground, for up to 8 unique addresses. That means 8 chips can share a single i2c bus - that's 64 I/O pins!

Specifications:

  • Integrated circuit type expander
  • Kind of integrated circuit 8bit I/O port
  • Interface I2C
  • Case DIP18
  • Supply voltage 1.8...5.5V DC
  • Mounting THT
  • Transmission rate 1.7kbps

Documents:

ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ

Εγγύηση:
Ως εξάρτημα, δεν καλύπτεται
Κατασκευαστής
:
Microchip
Part Number:
MCP23008-E/P
Μικτό Βάρος:
0.001kg
Χώρα Προέλευσης:
Κίνα