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CY8C20121-SX1IT
CY8C20121-SX1IT - Brand New Cypress Semiconductor Capacitive Touch Sensors
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Overview
The CapSense® Express™ controllers support two capacitive sensing (CapSense)
buttons and two general purpose outputs in CY8C20121 and one CapSense button
and one general purpose output in CY8C20111. The device functionality is
configured through the I2C port and can be stored in on-board nonvolatile
memory for automatic loading at power on. The digital outputs are controlled
from CapSense inputs in factory default settings, but are user configurable
for direct control through I2C.
The four key blocks that make up the CY8C20111 and CY8C20121 controllers are:
a robust capacitive sensing core with high immunity against radiated and
conductive noise, control registers with nonvolatile storage, configurable
outputs, and I2C communications. The user can configure registers with
parameters needed to adjust the operation and sensitivity of the CapSense
buttons and outputs and permanently store the settings. The standard I2C
serial communication interface allows the host to configure the device and
read sensor information in real time. I2C address is fully configurable
without any external hardware strapping.
Features
■ Capacitive button input tied to a configurable output
❐ Robust sensing algorithm
❐ High sensitivity, low noise
❐ Immunity to RF and AC noise
❐ Low radiated EMC noise
❐ Supports wide range of input capacitance, sensor shapes, and sizes
■ Target Applications
❐ Printers
❐ Cellular handsets
❐ LCD monitors
❐ Portable DVD players
■ Industrys best configurability
❐ Custom sensor tuning
❐ Output supports strong 20 mA sink current
❐ Output state can be controlled through I2C or directly from CapSense input
state
❐ Run time reconfigurable over I2C
■ Advanced features
❐ Plug-and-play with factory defaults – tuned to support up to 1 mm overlay
❐ Nonvolatile storage of custom settings
❐ Easy integration into existing products – configure output to match system
❐ No external components required
❐ World class free configuration tool
■ Wide range of operating voltages
❐ 2.45 V to 2.9 V
❐ 3.10 V to 3.6 V
❐ 4.75 V to 5.25 V
■ I2C communication
❐ Supported from 1.8 V
❐ Internal pull-up resistor support option
❐ Data rate up to 400 kbps.
❐ Configurable I2C addressing
■ Industrial temperature range: –40 °C to +85 °C
■ Available in 8-pin SOIC package
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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