AT42QT1070-MMH Atmel, AT42QT1070-MMH Datasheet - Page 36

• Manufacturer Part Number: AT42QT1070-MMH
• Description: IC TOUCH SENSOR 7KEY 20-VQFN
• Manufacturer: Atmel
• Type: Capacitiver

Specifications of AT42QT1070-MMH

• Number Of Inputs/keys: 7 Key (Comms), 5 Key (Standalone)
• Data Interface: I²C
• Voltage Reference: Internal
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Supply Voltage: 1.8 V to 5.5 V
• Dimensions: 3 mm L x 3 mm W x 0.8 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Resolution (bits): -
• Touch Panel Interface: -
• Data Rate/sampling Rate (sps, Bps): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

36
AT42QT1070
Appendix A
Associated Documents .......................................................................... 37
Revision History...................................................................................... 37
6.5
6.6
6.7
6.8
6.9
6.10
6.11
A.1
A.2
A.3
A.4
A.5
A.6
Timing Specifications........................................................................................25
Mechanical Dimensions....................................................................................26
AT42QT1070X-SSU – 14-pin SOIC .................................................................26
AT42QT1070X-MMH – 20-pin 3 x 3 mm VQFN ...............................................27
Marking.............................................................................................................28
Part Number .....................................................................................................30
Moisture Sensitivity Level (MSL) ......................................................................30
Interface Bus ....................................................................................................31
Transferring Data Bits.......................................................................................31
START and STOP Conditions ..........................................................................31
Address Byte Format........................................................................................32
Data Byte Format .............................................................................................32
Combining Address and Data Bytes into a Transmission 33
6.9.1
6.9.2
I2C-compatible Operation................................................. 31
AT42QT1070-SSU – 14-pin SOIC.............................................. 28
AT42QT1070-MMH – 20-pin 3 x 3 mm VQFN............................ 29
9596A–AT42–10/10