at42qt1481 ATMEL Corporation, at42qt1481 Datasheet - Page 60

• Manufacturer Part Number: at42qt1481
• Description: 48-key Qmatrix Ic
• Manufacturer: ATMEL Corporation

6.4
Vdd = 5.0V, Cs = 4.7 nF, Freq = 16 MHz, Ta = recommended range, unless otherwise noted
60
Parameter
Fck
S1
S2
S3
S4
S5
S6
S7
S8
S9
Timing Specifications
AT42QT1481
Last CLK to SS
SS to falling DRDY
DRDY low pulse width
CLK low pulse width
CLK high pulse width
CLK period
SPI Clock rate
SS to first CLK edge
CLK to valid MISO
SS to 3-state MISO
Description
Min
125
125
125
250
25
1
Typ
Max
20
20
20
4
Units
MHz
ns
ns
ns
ns
µs
µs
ns
ns
ns
SPI parameter controlled by host
SPI parameter controlled by
QT1481
SPI parameter controlled by host
SPI parameter controlled by
QT1481
SPI parameter controlled by
QT1481
SPI parameter controlled by
QT1481
SPI parameter controlled by host
SPI parameter controlled by host
SPI parameter controlled by host
SPI parameter controlled by host
Notes
9621B–AT42–06/11