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PCA9544A |
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| Part Number | PCA9544A |
| Manufacturer | Texas Instruments (https://www.ti.com/) |
| Description | The PCA9544A is a 4-channel, bidirectional translating multiplexer controlled via the I2C bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels. One SCL/SDA pair can be selecte... |
| Features |
•1 1-of-4 Bidirectional translating switches • I2C Bus and SMBus compatible • Four active-low interrupt inputs • Active-low interrupt output • Three address pins, allowing up to eight devices on the I2C Bus • Channel selection via I2C Bus • Power up with all switch channels deselected • Low RON switches • Allows voltage-level translation between 1.8-V, 2.5-V, 3.3-V, and 5-V Buses • No glitch on power up • Supports hot insertion • Low standby current • Operating power-supply voltage range of 2.3 V to 5.5 V • 5.5-V Tolerant inputs • 0 to 400-kHz Clock frequency • Latch-up performance exceeds 100... |
| Document |
 PCA9544A Data Sheet
PDF 1.96MB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | PCA9544 |
NXP |
4-channel I2C multiplexer and interrupt controller |
|
| 2 | PCA9544A |
NXP |
4-channel I2C-bus multiplexer |
|
| 3 | PCA9544ABS |
NXP |
4-channel I2C-bus multiplexer |
|
| 4 | PCA9544AD |
NXP |
4-channel I2C-bus multiplexer |
|
| 5 | PCA9544APW |
NXP |
4-channel I2C-bus multiplexer |
|