The PCA9545A is a 4-channel I2C switch.
| Package | TSSOP |
|---|---|
| Mount Type | Surface Mount |
| Pins | 20 |
| Operating Voltage | 2.5 V |
| Max Voltage (typical range) | 3.6 V |
| Min Voltage (typical range) | 2.3 V |
| Logic Function | Multiplexer |
| Max Frequency | 400 kHz |
| Part Number | PCA9545A Datasheet |
|---|---|
| Manufacturer | NXP Semiconductors |
| Overview |
The PCA9545A is a quad bidirectional translating switch controlled via the I2C-bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCx/SDx channel or combinat.
and benefits
* 1-of-4 bidirectional translating switches * I2C-bus interface logic; compatible with SMBus standards * Four active LOW interrupt inputs * Active LOW interrupt output * Active LOW reset input * Two address pins allowing up to four devices on the I2C-bus * Channel selection via I2C-bus,. |
| Part Number | PCA9545A Datasheet |
|---|---|
| Description | Low Voltage 4-channel I2C and SMbus Switch |
| Manufacturer | Texas Instruments |
| Overview |
The PCA9545A is a quad bidirectional translating switch controlled via the I2C bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCn/SDn channel or combinat.
*1 1-of-4 Bidirectional Translating Switches * I2C Bus and SMBus Compatible * Four Active-Low Interrupt Inputs * Active-Low Interrupt Output * Active-Low Reset Input * Two Address Terminals, Allowing up to Four Devices on the I2C Bus * Channel Selection via I2C Bus, in Any Combination * Power-Up Wit. |
| Seller | Inventory | Price Breaks | Buy |
|---|---|---|---|
| Newark | 429 | 1+ : 2.14 USD 10+ : 1.6 USD 25+ : 1.43 USD 50+ : 1.37 USD |
View Offer |
| Newark | 0 | 2500+ : 1.51 USD 3000+ : 1.42 USD 6000+ : 1.35 USD 12000+ : 1.22 USD |
View Offer |
| Newark | 0 | 2500+ : 1.29 USD | View Offer |
| Part Number | Manufacturer | Description |
|---|---|---|
| PCA9545 | NXP Semiconductors | 4-channel I2C switch with interrupt logic and reset |