PCA9548ARGER
Interface ICs
Technical Specifications
| Type | Description |
|---|---|
| Interface | I2C;SMBus |
| Supply Voltage | 2.3V~5.5V |
| Features | Power-up/reset configuration |
| Package / Case | VQFN-24(4x4) |
Product Introduction
The PCA9548A device is equipped with eight bidirectional transfer switches that can be controlled via the I2C bus. The SCL/SDA upstream pair is extended to eight downstream pairs.
Features
- 8-to-1 bidirectional translating switch, compatible with I2C bus and SMBus
- Active-low reset input
- Three hardware address pins allow up to eight PCA9548A devices on the I2C bus
- Channel selection via I2C bus
- All switch channels deselected at power-on
- Low RON switches support voltage level translation between 1.8V, 2.5V, 3.3V, and 5V buses
- No glitch at power-on
- Hot-insertion capable
- Low standby current
- Operating supply voltage range: 2.3V to 5.5V
- 5V tolerant inputs
- Clock frequency: 0kHz to 400kHz
- Latch-up performance exceeds 100mA per JESD 78 Class II
- ESD protection exceeds JESD 22 requirements
- 2000V Human Body Model (A114-A)
- 200V Machine Model (A115-A)
- 1000V Charged Device Model (C101)
Applications
- Servers
- Routers (telecom switching equipment)
- Factory automation
- Products with I2C slave address conflicts (e.g., multiple identical temperature sensors)
Datasheet
Alternative Parts
Common PCA9548ARGER alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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