Datasheet Details
| Part number | PCA9512B |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 247.06 KB |
| Description | Level shifting hot swappable I2C-bus and SMBus bus buffer |
| Datasheet | PCA9512B PCA9512A Datasheet (PDF) |
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Overview: PCA9512A; PCA9512B Level shifting hot swappable I2C-bus and SMBus bus buffer Rev. 6 — 1 March 2013 Product data sheet 1.
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | PCA9512B |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 247.06 KB |
| Description | Level shifting hot swappable I2C-bus and SMBus bus buffer |
| Datasheet | PCA9512B PCA9512A Datasheet (PDF) |
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The PCA9512A/B is a hot swappable I2C-bus and SMBus buffer that allows I/O card insertion into a live backplane without corruption of the data and clock buses and includes two dedicated supply voltage pins to provide level shifting between 3.3 V and 5 V systems while maintaining the best noise margin for each voltage level.
Either pin may be powered with supply voltages ranging from 2.7 V to 5.5 V with no constraints on which supply voltage is higher.
Control circuitry prevents the backplane from being connected to the card until a stop bit or bus idle occurs on the backplane without bus contention on the card.
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| Part Number | Description |
|---|---|
| PCA9512 | Level shifting hot swappable I2C and SMBus buffer |
| PCA9512A | Level shifting hot swappable I2C-bus and SMBus bus buffer |
| PCA9510 | Hot swappable I2C and SMBus bus buffer |
| PCA9511 | Hot swappable I2C and SMBus bus buffer |
| PCA9515 | I2C-bus repeater |
| PCA9515A | I2C-bus repeater |
| PCA9516 | 5-channel I2C hub |
| PCA9516A | 5-channel I2C hub |
| PCA9517 | Level translating I2C-bus repeater |
| PCA9517A | Level translating I2C-bus repeater |