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Microcontrollers and Processors / Parallel IO Ports / TCA9554DBQR
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TCA9554DBQR by: Texas Instruments

8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SSOP -40 to 85

Part Details for TCA9554DBQR by Texas Instruments

Results Overview of TCA9554DBQR by Texas Instruments

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Applications Audio and Video Systems Energy and Power Systems

TCA9554DBQR Information

TCA9554DBQR by Texas Instruments is a Parallel IO Port.
Parallel IO Ports are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for TCA9554DBQR

Part # Distributor Description Stock Price Buy
DISTI # 296-42161-1-ND
DigiKey IC XPNDR 400KHZ I2C 16SSOP Min Qty: 1 Lead time: 12 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 566
In Stock
  • 1 $1.3200
  • 10 $0.9570
  • 25 $0.8668
  • 100 $0.7676
  • 250 $0.7204
  • 500 $0.6919
  • 1,000 $0.6685
  • 2,500 $0.6415
  • 5,000 $0.6267
  • 7,500 $0.6192
  • 12,500 $0.6109
$0.6109 / $1.3200 Buy Now
DISTI # 595-TCA9554DBQR
Mouser Electronics Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander RoHS: Compliant 1319
  • 1 $1.2300
  • 10 $0.9110
  • 25 $0.8320
  • 100 $0.7460
  • 250 $0.7040
  • 500 $0.6830
  • 2,500 $0.6190
  • 7,500 $0.6010
$0.6010 / $1.2300 Buy Now
DISTI # V72:2272_07367459
Arrow Electronics I2C/SMBus Interface 400kHz 5.5V 16-Pin SSOP T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Date Code: 2207 Container: Cut Strips Americas - 353
  • 1 $0.6537
  • 10 $0.6079
  • 25 $0.5931
  • 100 $0.5922
  • 250 $0.5914
$0.5914 / $0.6537 Buy Now
DISTI # 61346244
Verical I2C/SMBus Interface 400kHz 5.5V 16-Pin SSOP T/R RoHS: Compliant Min Qty: 10 Package Multiple: 1 Date Code: 2207 Americas - 353
  • 10 $0.6109
  • 25 $0.5973
  • 100 $0.5943
  • 250 $0.5914
$0.5914 / $0.6109 Buy Now
DISTI # TCA9554DBQR
Chip One Stop Semiconductors RoHS: Compliant pbFree: Yes Min Qty: 1 Lead time: 0 Weeks, 1 Days Container: Cut Tape 2375
  • 1 $0.6570
  • 10 $0.4590
  • 50 $0.4310
  • 100 $0.3800
  • 200 $0.3660
  • 500 $0.3440
  • 1,000 $0.3360
  • 2,000 $0.3270
  • 5,000 $0.3220
  • 10,000 $0.3200
$0.3200 / $0.6570 Buy Now

Part Details for TCA9554DBQR

TCA9554DBQR CAD Models

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TCA9554DBQR Part Data Attributes

Parametric Data
TCA9554DBQR Texas Instruments
Buy Now Datasheet
Compare Parts:
TCA9554DBQR Texas Instruments 8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SSOP -40 to 85
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Package Description SSOP-16
Reach Compliance Code compliant
ECCN Code EAR99
Samacsys Manufacturer Texas Instruments
Address Bus Width 8
Clock Frequency-Max 0.4 MHz
External Data Bus Width
JESD-30 Code R-PDSO-G16
JESD-609 Code e4
Length 6.2 mm
Moisture Sensitivity Level 2
Number of Bits 8
Number of I/O Lines 8
Number of Ports 1
Number of Terminals 16
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code SSOP
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260
Seated Height-Max 2 mm
Supply Voltage-Max 5.5 V
Supply Voltage-Min 1.65 V
Supply Voltage-Nom 1.8 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 0.65 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 5.3 mm
uPs/uCs/Peripheral ICs Type PARALLEL IO PORT, GENERAL PURPOSE

Alternate Parts for TCA9554DBQR

This table gives cross-reference parts and alternative options found for TCA9554DBQR. 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 TCA9554DBQR, 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
TCA9554DBR Texas Instruments $0.5697 8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SSOP -40 to 85 TCA9554DBQR vs TCA9554DBR

TCA9554DBQR Related Parts

TCA9554DBQR Frequently Asked Questions (FAQ)

  • The TCA9554DBQR can support I2C bus frequencies up to 400 kHz.

  • The TCA9554DBQR can be configured to operate in 8-bit or 16-bit mode by setting the MODE pin high or low, respectively, during power-up.

  • The TCA9554DBQR can sink or source up to 25 mA of current on each I/O pin.

  • The TCA9554DBQR can be reset by pulling the RESET pin low for at least 1 ms.

  • The INT pin is an active-low interrupt output that is asserted when a change is detected on any of the I/O pins.

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