at42qt100a ATMEL Corporation, at42qt100a Datasheet - Page 2

• Manufacturer Part Number: at42qt100a
• Description: Qtouch? Charge Transfer Ic
• Manufacturer: ATMEL Corporation

1. Pinout and Schematic
1.1
1.2
Table 1-1.
2
Name
SNSK
SYNC
SNS
OUT
Vdd
N/C
N/C
Vss
N/C
N/C
Pinout Configuration
Pin Descriptions
AT42QT100A
Pin Listing
WSON
6-Pin
–
–
2
5
–
6
–
3
4
1
SNSK
OUT
Vss
I
I/O
O
P
10-Pin
MSOP
1
2
3
10
3
4
5
6
7
9
6-WSON Package
1
2
8
Input only
Input and output
Output only, push-pull
Ground or power
QT100A
Type
I/O
I/O
O
O
O
O
P
P
I
I
Comments
Sense pin
Sense pin
Unused
Unused
Supply ground
Power
Unused
Sync and Mode Input
Unused
Output state
6
5
4
SNSK
SNS
N/C
Vss
N/C
1
2
3
4
5
Notes
Cs + Key
Cs
Leave open – do not connect
Leave open – do not connect
Ground
+2.0 ~ +5.0V
6-pin package – internally connected to SYNC pin
10-pin package – always connect pin to Sync
6-pin package – pin is either Sync/Slow/Fast Mode,
depending on logic level applied (see
page
Leave open – do not connect
–
10-MSOP Package
5)
QT100A
10
9
8
7
6
OUT
N/C
SYNC
N/C
Vdd
Section 3.1 on
9531A–AT42–02/09