User's Manual

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Centre de Saint Christophe - URD 37
TELEPHONIE MOBILE
MOBILE PHONES
Ref. : SCT TMO MASV2 SPEC 14 M
Date : 04/03/03
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MO130 module for mobile applications
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6.20 VBACKUP
Signal Min Max Remarks
VBACKUP +2.2V +3.2V Protection
If no external backup is supplied, VBACKUP has to be connected to VBAT.
With external BACKUP:
- if VBAT < VBACKUP, internal RTC is supplied by VBACKUP.
- if VBAT > VBACKUP, internal RTC is supplied by VBAT.
Without external VBACKUP (VBACKUP input connected to VBAT)
- if VBAT > 2.2V, internal RTC is supplied by VBAT.
- if VBAT < 2.2V, internal RTC is not supplied.
7. ENVIRONMENTAL SPECIFICATION
7.1 OPERATING CONDITIONS
Parameter Min Max
Ambient temperature -10°C +55°C
Supply voltage VBAT +3.45V +5V
7.2 CLIMATIC CONDITIONS
Parameter Min Max
Ambient temperature
Normal range
-10°C +55°C
Ambient temperature
Extended range
-20°C +70°C
Storage temperature -40°C +85°C
Long damp heat
Operating conditions
Tested at +60°C, 95% RH during 504 hours
Short damp heat
Storage and
transportation conditions
Tested at +40°C, 95% RH during 96 hours