Texas Instruments PCA9557RGYR O Expanders
IC I/O EXPANDER I2C 8B 16QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCA9557RGYR
Detailed Description
IC I/O EXPANDER I2C 8B 16QFN
Package
16-VFQFN Exposed Pad
Key Features
Package / Case: 16-VFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PCA9557RGYR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments PCA9557RGYR O Expanders technical specifications.
General
Interface
I²C, SMBus
RoHS
Yes
Package / Case
16-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2.3V ~ 5.5V
Lifecycle Status
Active
Features
POR
Output Type
Open Drain, Push-Pull
Number of I/O
8
Related Parts Comparison (PCA9557RGYR vs PCA9515BPWR vs PCA9515BDRGR vs PCA9517DGKRG4)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 16-VFQFN Exposed Pad | 14-TSSOP | 8-SOIC | 8-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C |
| Supply Voltage | 2.3V ~ 5.5V | 2.3V ~ 3.6V | 2.3V ~ 3.6V | 0.9V ~ 5.5V, 2.7V ~ 5.5V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Not For New Designs |
| Package | VQFN (RGY)-16 | 14-TSSOP | 8-SOIC | 8-VSSOP |
| Number of Channels | -- | 2 | 2 | 2 |
| Applications | -- | I²C | I²C | I²C |
| Capacitance Input | -- | 7 pF | 7 pF | 6 pF |
| Current Supply | -- | 1mA | 1mA | 1.5mA |
| Data Rate Max | -- | 400kHz | 400kHz | 400kHz |
| Action |
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