Texas Instruments TCA9554DBQR O Expanders
IC I/O EXPANDER I2C 8BIT 16TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TCA9554DBQR
Detailed Description
IC I/O EXPANDER I2C 8BIT 16TSSOP
Package
16-SSOP (0.154", 3.90mm Width)
Key Features
Package / Case: 16-SSOP (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
TCA9554DBQR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments TCA9554DBQR O Expanders technical specifications.
General
Interface
I²C
Package / Case
16-SSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.65V ~ 5.5V
Features
POR
Output Type
Push-Pull
Number of I/O
8
Interrupt Output
Yes
Max Frequency
400 kHz
Alternate Parts Comparison (TCA9554DBQR vs TCA9509MRVHR vs TCA9509DGKR vs TCA4311DR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SSOP | 8-XFQFN Exposed Pad | 8-TSSOP | 8-SOIC |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 1.65V ~ 5.5V | 0.9V ~ 5.5V, 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Number of Channels | -- | 1 | 1 | 1 |
| Applications | -- | I²C | I²C | I²C - Hotswap |
| Capacitance Input | -- | 6.5 pF | 6.5 pF | 10 pF |
| Current Supply | -- | 900µA | 3mA | 5.1mA |
| Input | -- | 2-Wire Bus | 2-Wire Bus | 2-Wire Bus |
| Output | -- | 2-Wire Bus | 2-Wire Bus | 2-Wire Bus |
| Type | -- | Buffer, ReDriver | Buffer, ReDriver | Buffer, Accelerator |
| Action |
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