Low

TEXAS INSTRUMENTS  TCA8418RTWR  Specialized Interface, I2C, Digital Cameras, GPS Devices, MP3 Players, PDAs, Smart Phones, 1.65 V

TEXAS INSTRUMENTS TCA8418RTWR
Technical Data Sheet (10.13KB) EN See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The TCA8418RTWR is a keypad scan IC with integrated ESD protection. It can operate from 1.65 to 3.6V and has 18 general purpose inputs/outputs (GPIO) that can be used to support up to 80 keys via the I²C interface. The key controller debounces inputs and maintains a 10 byte FIFO of key-press and release events which can store up to 10 keys with overflow wrap capability. An interrupt (INT) output can be configured to alert key presses and releases either as they occur or at maximum rate.
  • Supports 80 buttons with use of 18 GPIOs
  • Supports QWERTY keypad operation plus GPIO expansion
  • Supports 1MHz fast mode plus I²C bus
  • 10-byte FIFO to store 10 key presses and releases
  • Open-drain active-low interrupt (INT)\ output
  • Integrated debounce time of 50µs
  • 3µA Low standby (idle) current consumption
  • Schmitt-trigger action allows slow input transition and better switching noise immunity
  • Green product and no Sb/Br

 

Product Information

IC Interface Type:
I2C
Interface Applications:
Digital Cameras, GPS Devices, MP3 Players, PDAs, Smart Phones
Supply Voltage Min:
1.65V
Supply Voltage Max:
3.6V
Interface Case Style:
QFN
No. of Pins:
24Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Industrial

Legislation and Environmental

Moisture Sensitivity Level:
MSL 2 - 1 year
Country of Origin:
Malaysia

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.000171