7 Specifications
7.1 Absolute Maximum Electrical Specifications
Operating temp.................................................................... -40
O
C to +105
O
C
Storage temp......................................................................-55
O
C to +125
O
C
V
DD
..................................................................................-0.5 to +5.5V
Max continuous pin current, any control or drive pin............................................. ±10mA
Short circuit duration to ground, any pin........................................................ infinite
Short circuit duration to V
DD
, any pin........................................................... infinite
Voltage forced onto any pin.................................................. -0.6V to (Vdd + 0.6) Volts
Frequency of operation...................................................................... 17MHz
Eeprom setups maximum writes.................................................. 100,000 write cycles
7.2 Recommended operating conditions
V
DD
................................................................................ +4.75 to 5.25V
Supply ripple+noise................................................................... 5mV p-p max
Cx transverse load capacitance per key..................................................... 0 to 20pF
Fosc oscillator frequency.............................................................. 16MHz +/-2%
7.3 DC Specifications
Vdd = 5.0V, Cs = 4.7nF, Freq = 16MHz, Ta = recommended range, unless otherwise noted
DRDY, /SS pinskohms12035Pullup resistorsRp
bits119Acquisition resolutionAr
µA±1Input leakage currentIil
1mA sourceVVdd-0.7High output voltageVoh
4mA sinkV0.6Low output voltageVol
V2.2High input logic levelVhl
V0.8Low input logic levelVil
Not including external componentsµA20Supply current, sleepIdds
Not including external componentsmA25Supply current, runningIddr
NotesUnitsMaxTypMinDescriptionParameter
lQ
20 QT60486-AS 0.07/1103
Advanced information; subject to change
