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PCA9545APW

Voltage Level Translator, Bidirectional, 4 Input, 10 mA, 1 ns, 2.3 V to 5.5 V, TSSOP-20

TEXAS INSTRUMENTS PCA9545APW

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Manufacturer Part No:
PCA9545APW
Order Code:
3006779

Product Overview

The PCA9545APW is a 4-channel I²C And SMBus Multiplexer with interrupt logic and RESET functions. This quad bidirectional translating switch controlled via the I²C bus. The SCL/SDA upstream pair fans out to four downstream pairs or channels. Any individual SCn/SDn channel or combination of channels can be selected, determined by the contents of the programmable control register. Four interrupt inputs (INT3-INT0), one for each of the downstream pairs, are provided. One interrupt (INT) output acts as an AND of the four interrupt inputs. An active-low RESET input allows the PCA9545A to recover from a situation in which one of the downstream I²C buses is stuck in a low state. Pulling RESET low resets the I²C state machine and causes all the channels to be deselected, as does the internal power-ON RESET function.
  • Four active-low interrupt inputs
  • Active-low interrupt output
  • Active-low reset input
  • Two address terminals, allowing up to four devices on the I²C bus
  • Channel selection via I²C bus, in any combination
  • Power-up with all switch channels deselected
  • low RON switches
  • No glitch on power-up
  • Supports hot insertion
  • Low standby current
  • Latch-up performance exceeds 100mA per JESD 78
  • Green product and no Sb/Br

Applications

Industrial, Communications & Networking, Sensing & Instrumentation, Automation & Process Control

Product Information

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:
Level Translator

:
2.3V

:
5.5V

:
TSSOP

:
20Pins

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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180 In stock Need more?

180 available for 3 - 4 business days delivery

HK$19.98

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