User Manual

RA01
Version: 1.0 Date: 10/8/2008
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7
GENERAL DEVICE SPECIFICATIONS
All voltages are referenced to Vss, the potential on the ground reference pin VSS.
Absolute Maximum Ratings (non-operating)
Symbol Parameter Min Max Units
Vdd Positive supply voltage -0.5 6.0 V
Vin Voltage on any pad -0.5 Vdd+0.5 V
Iin Input current into any pad except VDD and VSS 25 25 mA
ESD Electrostatic discharge with human body model 1000 V
Tst Storage temperature 55 125 oC
Tld Lead temperature (soldering, max 10 s) 260 oC
Recommended Operating Range
Symbol Parameter Min Max Units
Vdd Positive supply voltage 2.2 3.8 V
Top Ambient operating temperature 40 +85 oC
ELECTRICAL SPECIFICATION
(Min/max values are valid over the whole recommended operating range, typical conditions: Top = 27 oC; Vdd = Voc =
2.7 V)
DC Characteristics
Symbol Parameter Conditions/Notes Min Typ Max Units
Idd Supply current all bands 9.6 12 mA
Ipd Standby current all blocks disabled 0.2 μA
Ilb Low battery voltage detector and
wake-up timer current
4 μA
Ix Idle current crystal oscillator is ON 0.5 mA
Vlb Low battery detection threshold programmable in 0.1 V steps 2.0 3.5 V
Vlba Low battery detection accuracy ± 2.5 %
VPOR Vdd threshold required
to generate a POR
1.5 V
VPOR,hys POR hysteresis larger glithches on the Vdd
generate a POR even above
the threshold V
POR
0.6 V
SRVdd Vdd slew rate for proper POR generation 0.1 V/ms
Vil Digital input low level 0.3*Vdd V
Vih Digital input high level 0.7*Vdd V
Iil Digital input current Vil = 0 V -1 1 μA
Iih Digital input current Vih = Vdd, Vdd = 3.8 V -1 1 μA
Vol Digital output low level Iol = 2 mA 0.4 V
Voh Digital output high level Ioh = -2 mA Vdd-0.4 V