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AT42QT1085 [DATASHEET]
9625D–AT42–05/2013
7. Specifications
7.1 Absolute Maximum Specifications
7.2 Recommended Operating Conditions
7.3 SPI Bus Specifications
Vdd 2 V – 5.5 V
Max continuous pin current, any control or drive pin 20 mA
Voltage forced onto any pin –0.5 V to (Vdd or AVdd +0.5) V
Configuration parameters maximum Writes 10,000
CAUTION: Stresses beyond those listed under Absolute Maximum Specifications may cause permanent damage to
the device. This is a stress rating only and functional operation of the device at these or other conditions beyond those
indicated in the operational sections of this specification is not implied. Exposure to absolute maximum specification
conditions for extended periods may affect device reliability
Operating temp –40°C to +85°C
Storage temp –65°C to +150°C
Vdd 2V – 5.5V
Supply ripple + noise ±20 mV
Cx transverse load capacitance per channel 1 pF to 30 pF
GPO current <5 mA
Temperature slew rate 10°C per minute
See also Figure 5-1 on page 14.
Parameter Specification
Data bits 8 data bits
Data transmission
Shift out on falling edge
Shift in on rising edge
Clock idle High
Maximum clock rate 750 kHz
Minimum time between bytes 100 µs
Minimum low clock period 666 ns
Minimum high clock period 666 ns
Delay between communications exchanges
2 ms after Read operation
10 ms after Write operation
