Rainbow Electronics AT42QT1012 - Manual (Page 2)

2
9543CS–AT42–02/10
AT42QT1012
1. Pinout and Schematic
1.1 Pinout Configuration
1.2 Pin Descriptions
VDD
TIME
SNSK
VSS
OUT
4
1
2
3
5
6
SNS
Q
T
1
012
Table 1-1. Pin Listing
Pin Name Type Comments
1 OUT O
Output state. To switched circuit and output polarity selection
resistor (Rop)
2 Vss P Supply ground
3 SNSK I/O Sense pin. To Cs capacitor and to sense electrode
4 SNS I/O
Sense pin. To Cs capacitor and multiplier configuration resistor
(Rm). Rm must be fitted and connected to either VSS or VDD.
5 Vdd P Power
6 TIME I
Timeout configuration pin. Must be connected to either VSS,
VDD, OUT or an RC network.
I Input only I/O Input and output
O Output only, push-pull P Ground or power