NXP Semiconductors PCA9543APW,118

NXP Semiconductors PCA9543APW,118

Manufacturer: NXP Semiconductors

Quantity: 10,000

Date Code: 21+

Description: IC INTERFACE SPECIALIZED 14TSSOP

PCA9543APW,118

Description: 16-bit I/O expander with interrupt

Manufacturer: NXP Semiconductors

Package: TSSOP-16

Pinout:

Pin Name Description
1 VCC Supply voltage (2.5 V to 5.5 V)
2 GND Ground
3 SDA Serial data input/output
4 SCL Serial clock input
5 A0 Address input 0
6 A1 Address input 1
7 A2 Address input 2
8 OE Output enable input (active low)
9 INT Interrupt output (active low)
10 P0 Port 0 input/output
11 P1 Port 1 input/output
12 P2 Port 2 input/output
13 P3 Port 3 input/output
14 P4 Port 4 input/output
15 P5 Port 5 input/output
16 P6 Port 6 input/output
17 P7 Port 7 input/output

Features:

  • 16-bit I/O expansion
  • Interrupt output
  • Output enable input
  • Serial interface
  • Low power consumption
  • Wide supply voltage range (2.5 V to 5.5 V)

Applications:

  • I/O expansion for microcontrollers
  • LED driving
  • Switch debouncing
  • Keypad scanning

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