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PCA9545CPW,118 by: NXP Semiconductors

PCA9545A/45B/45C - 4-channel I²C-bus switch with interrupt logic and reset TSSOP2 20-Pin

Part Details for PCA9545CPW,118 by NXP Semiconductors

Results Overview of PCA9545CPW,118 by NXP Semiconductors

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PCA9545CPW,118 Information

PCA9545CPW,118 by NXP Semiconductors is a Multiplexer or Switch.
Multiplexers or Switches are under the broader part category of Signal Circuits.

A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.

Price & Stock for PCA9545CPW,118

Part # Distributor Description Stock Price Buy
Rochester Electronics Multiplexers/Switches RoHS: Compliant Status: End of Life / Last Time Buy Min Qty: 1 2500
  • 25 $1.2800
  • 100 $1.2200
  • 500 $1.1500
  • 1,000 $1.0900
  • 10,000 $1.0200
$1.0200 / $1.2800 Buy Now

US Tariff Estimator: PCA9545CPW,118 by NXP Semiconductors

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Part Details for PCA9545CPW,118

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PCA9545CPW,118 Part Data Attributes

PCA9545CPW,118 NXP Semiconductors
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Compare Parts:
PCA9545CPW,118 NXP Semiconductors PCA9545A/45B/45C - 4-channel I²C-bus switch with interrupt logic and reset TSSOP2 20-Pin
Rohs Code Yes
Part Life Cycle Code Obsolete
Part Package Code TSSOP2
Package Description ,
Pin Count 20
Manufacturer Package Code SOT360-1
Reach Compliance Code Compliant
HTS Code 8542.39.00.01

Alternate Parts for PCA9545CPW,118

This table gives cross-reference parts and alternative options found for PCA9545CPW,118. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of PCA9545CPW,118, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
935275809118 NXP Semiconductors Check for Price Multiplexer PCA9545CPW,118 vs 935275809118
Part Number Manufacturer Composite Price Description Compare
PCA9545APW,118 NXP Semiconductors $1.0146 PCA9545A/45B/45C - 4-channel I²C-bus switch with interrupt logic and reset TSSOP2 20-Pin PCA9545CPW,118 vs PCA9545APW,118
PCA9545CPW NXP Semiconductors Check for Price IC 9545 SERIES, 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20, 4.40 MM, PLASTIC, MO-153, SOT360-1, TSSOP-20, Multiplexer/Demultiplexer PCA9545CPW,118 vs PCA9545CPW
PCA9545BPW NXP Semiconductors Check for Price IC 9545 SERIES, 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20, 4.40 MM, PLASTIC, MO-153, SOT360-1, TSSOP-20, Multiplexer/Demultiplexer PCA9545CPW,118 vs PCA9545BPW
935275809112 NXP Semiconductors Check for Price Multiplexer PCA9545CPW,118 vs 935275809112
PCA9545PW-T NXP Semiconductors Check for Price IC 9545 SERIES, 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20, 4.40 MM, PLASTIC, MO-153, SOT-360-1, TSSOP-20, Multiplexer/Demultiplexer PCA9545CPW,118 vs PCA9545PW-T
PCA9545APW,112 NXP Semiconductors Check for Price PCA9545A/45B/45C - 4-channel I²C-bus switch with interrupt logic and reset TSSOP2 20-Pin PCA9545CPW,118 vs PCA9545APW,112
PCA9545APW-T NXP Semiconductors Check for Price IC 9545 SERIES, 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20, 4.40 MM, PLASTIC, MO-153, SOT360-1, TSSOP-20, Multiplexer/Demultiplexer PCA9545CPW,118 vs PCA9545APW-T
PCA9545D-T NXP Semiconductors Check for Price IC 9545 SERIES, 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20, 7.50 MM, PLASTIC, MS-013, SOT-163-1, SOP-20, Multiplexer/Demultiplexer PCA9545CPW,118 vs PCA9545D-T
PCA9545D NXP Semiconductors Check for Price IC 9545 SERIES, 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20, 7.50 MM, PLASTIC, MS-013, SOT-163-1, SOP-20, Multiplexer/Demultiplexer PCA9545CPW,118 vs PCA9545D
equivalents icon

PCA9545CPW,118 Frequently Asked Questions (FAQ)

  • The PCA9545CPW,118 can support I2C bus frequencies up to 400 kHz, but it's recommended to limit it to 100 kHz for reliable operation.

  • To configure the PCA9545CPW,118 in dual-bus mode, you need to connect the SCL and SDA pins of the two buses to the corresponding pins on the PCA9545CPW,118, and then use the EN pins to enable or disable each bus.

  • The PCA9545CPW,118 can drive capacitive loads up to 400 pF, but it's recommended to limit it to 100 pF for reliable operation.

  • Yes, the PCA9545CPW,118 can switch between multiple I2C buses with different voltage levels, but you need to ensure that the voltage levels are within the recommended operating range of the device.

  • The PCA9545CPW,118 can be reset by pulling the RESET pin low for at least 1 ms. This will reset the device to its default state.

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