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AT42QT1244 Datasheet 24-key Qmatrix Fmea Iec/en/ul60730 Touch Sensor

Manufacturer: Atmel (now Microchip Technology)

Overview: Atmel AT42QT1244 24-key QMatrix FMEA IEC/EN/UL60730 Touch Sensor PRELIMINARY.

General Description

s Table 1-1.

Pin Descriptions Pin Name Type 1 M_SYNC I 2 CHANGE OD 3 VSS P 4 VDD P 5 VSS P 6 VDD P 7 X6 O 8 X7 O Comments Mains Sync input State change notification, active low.

Has int

Key Features

  • Number of keys:.
  • Up to 24.
  • Technology:.
  • Patented charge-transfer (transverse mode), with frequency hopping.
  • Key outline sizes:.
  • 6 mm × 6 mm or larger (panel thickness dependent); different sizes and shapes possible.
  • Key spacings:.
  • 8 mm or wider, center to center (panel thickness dependent).
  • Electrode design:.
  • Two-part electrode shapes (drive-receive); wide variety of possible layouts.
  • Layers required:.
  • One layer (with jumpers), two lay.

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