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PCA9544A |
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| Part Number | PCA9544A |
| Manufacturer | NXP (https://www.nxp.com/) |
| Description | The PCA9544A is a 1-of-4 bidirectional translating multiplexer, controlled via the I2C-bus. The SCL/SDA upstream pair fans out to four SCx/SDx downstream pairs, or channels. Only one SCx/SDx channel i... |
| Features |
1-of-4 bidirectional translating multiplexer I2C-bus interface logic; compatible with SMBus 4 active LOW interrupt inputs Active LOW interrupt output 3 address pins allowing up to 8 devices on the I2C-bus Channel selection via I2C-bus Power-up with all multiplexer 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 V tolerant Inputs 0 Hz to 400 kHz clock frequency ESD protection exce... |
| Document |
 PCA9544A Data Sheet
PDF 271.16KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | PCA9544 |
NXP |
4-channel I2C multiplexer and interrupt controller |
|
| 2 | PCA9544A |
Texas Instruments |
Low Voltage 4-Channel I2C and SMBus 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 |
|