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PCF8574A Interface, I2C, 8-bit, I/O expander (DIP16)

Produktnr.: H15962  |  Producentvarekode: PCF8574AN

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Sentrallager, Struer:
5  på lager. Levering 1 ukedag.

Sampakgebyr: Kr. 20,- ekskl. moms.
Forsendelse (GLS erhverv): Kr. 48,- ekskl. moms.
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This 8 bit input/output expander for the two line bidirectional bus (I2C) is designed for 2.5V to 6V VCC operation. The PCF8574AN provides general purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)]. The device features an 8 bit quasi-bidirectional I/O port (P0-P7), including latched outputs with high current drive capability for directly driving LEDs. Each quasi-bidirectional I/O can be used as an input or output without the use of a data direction control signal. At power on, the I/Os are high. In this mode, only a current source to VCC is active. An additional strong pull-up to VCC allows fast rising edges into heavily loaded outputs. This device turns on when an output is written high and is switched off by the negative edge of SCL. The I/Os should be high before being used as inputs.

Tekniske detaljer:

  • Producent: Texas instruments
  • IC type: Interface, I/O expander
  • Interface: I2C
  • Montage: Print
  • Antal kanaler: 8
  • Forsyningsspænding: 2.5...6V DC
  • Hus: DIP16
  • Frekvens: 100kHz
Også kendt som: PCF8574AP.

Kvantitet priser

Antall
>= 1
>= 5
>= 10

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