Description
PCA9557DR Texas Instruments - Yeehing Electronics
8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers
Pricing (USD)
| Quantity | Unit Price |
| 1 — 99 | 1.133 |
| 100 — 249 | 0.936 |
| 250 — 999 | 0.672 |
| 1,000 + | 0.35 |
The above prices are for reference only.
Specifications
| Manufacturer | Texas Instruments |
| Product Category | Interface - I/O Expanders |
| RoHS | Y |
| Number of I/Os | 8 I/O |
| Interface Type | I2C, Serial, SMBus |
| Maximum Clock Frequency | 400 kHz |
| Operating Supply Voltage | 2.5 V to 6 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Mounting Style | SMD/SMT |
| Package / Case | SOP-16 |
| Packaging | Reel |
| Features | Configuration Registers, Interrupt Pin |
| Product | I/O Expanders |
| Series | PCA9557 |
| Type | I/O Expander |
| Brand | Texas Instruments |
| Logic Family | PCA9557 |
| Product Type | I/O Expanders |
| Factory Pack Quantity | 2500 |
| Subcategory | Interface ICs |
| Unit Weight | 0.023492 oz |
For more information, please refer to datasheet
Documents
| PCA9557DR Datasheet |
More Information
This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. The device provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL) and serial data (SDA)].
