| Allicdata Part #: | 568-8719-2-ND |
| Manufacturer Part#: |
PCA9702PW,118 |
| Price: | $ 0.44 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | NXP USA Inc |
| Short Description: | IC SPI GPI 8BIT 18V 16TSSOP |
| More Detail: | I/O Expander 8 (Input Only) SPI Serial 5MHz 16-TSS... |
| DataSheet: |  PCA9702PW,118 Datasheet/PDF |
| Quantity: | 5000 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 2500 +: | $ 0.40087 |
| 5000 +: | $ 0.38083 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| Number of I/O: | 8 (Input Only) |
| Interface: | SPI Serial |
| Interrupt Output: | Yes |
| Features: | -- |
| Output Type: | Push-Pull |
| Current - Output Source/Sink: | -- |
| Clock Frequency: | 5MHz |
| Voltage - Supply: | 2.5 V ~ 5.5 V |
| Operating Temperature: | -40°C ~ 125°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package: | 16-TSSOP |
| Base Part Number: | PCA9702 |
Description
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The PCA9702PW,118 is an example of an interface - I/O Expander, as it is in the line of PCA9702PW,118 products and allows for the expansion of I/Os, such as, but not limited to, LEDs and switches. This article will discuss the primary applications and workings of the PCA9702PW,118.The PCA9702PW,118 comes in a 7.8mm x 5.6mm WL-CSP package and was primarily designed for usage in keyboard, mouse, and remote control applications. Due to its programmability, it can also be used in other consumer applications such as gamepads, phones, and set-top boxes.The PCA9702PW,118 is a fully configurable, simple, low cost I2C-based device which can be used to expand a broad range of I/Os such as, but not limited to, LEDs, switches, and other consumer-level interface devices. It has programmable virtual registers, event and mask registers and general purpose I/Os. The PCA9702PW,118 also features a dedicated interrupt line and enables multiple devices to be connected to the same I2C bus.In working principle, the PCA9702PW,118 is based on I2C-bus commands, which helps in improving the speed of communication for the I/O expansion process. It is also programmed to enable automated data transfer from an I2C master to the I/O ports of the device. The PCA9702PW,118 enables the programming of all the I/O pins at once, individually, or a group of pins in one shot. The feature of parameterized programming allows for dynamic control of the I/O pins.The PCA9702PW,118 can also be programmed to send interrupts whenever an I/O port changes, enabling a system to identify the changed state of an I/O pin. All the registers of the PCA9702PW,118 can be adapted to define as many I/O as required between 0 and 8 bit I/Os.In addition, the PCA9702PW,118 allows for the programming of pin polarity and enables the masking of an interrupt event, so that the PCA9702PW,118 can block events unrelated to the intended application. The PCA9702PW,118 provides a low latency with respect to port operations, reduces the number of microcontroller I/Os, and helps reduce costs.In summary, the PCA9702PW,118 interface - I/O Expander provides an extended range of I/Os for all types of consumer applications and it is very cost effective. The I2C-bus commands allow for improved speed in data communication and it is also programmed to enable automated data transfer. Moreover, the PCA9702PW,118 allows for the programming of pin polarity and enables the masking of an interrupt event. Ultimately, the PCA9702PW,118 provides a low latency and cost-effective solution for I/O expansion.
The specific data is subject to PDF, and the above content is for reference
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