User's Manual
iSR3500 Series 3 / 11 Pre-rev 0.3
Mobile SolutionsMobile Solutions
1.3 Ordering Information
iSR35<b><nnnn>-<c><p>
<b> = GSM band option, E or U
<nnnn> = memory option, 16, 32, 3204, 3208 or 6416
please note that other RAM configuration will be incorporated in the future
<c> = b2b connector size option, C1, C2 or C3
<p> = packaging option, R or T
1.4 Product part number
iSR35E16 GSM 900/1800MHz band, 16Mbit Flash
iSR35E32 GSM 900/1800MHz band, 32Mbit Flash
iSR35E3204 GSM 900/1800MHz band, 32Mbit Flash + 4Mbit static RAM
iSR35E3208 GPRS 900/1800MHz band, 32Mbit Flash + 8Mbit static RAM
iSR35E6416 GPRS 900/1800MHz band, 64Mbit Flash + 16Mbit static RAM
iSR35U16 GSM 850/1900MHz band, 16Mbit Flash
iSR35U32 GSM 850/1900MHz band, 32Mbit Flash
iSR35U3204 GSM 850/1900MHz band, 32Mbit Flash + 4Mbit static RAM
iSR35U3208 GPRS 850/1900MHz band, 32Mbit Flash + 8Mbit static RAM
iSR35U6416 GPRS 850/1900MHz band, 64Mbit Flash + 16Mbit static RAM
Connector Option
C1 = 34 pins
C2 = 60 pins
C3 = 80 pins
2 Electrical Specification
2.1 Absolute Maximum Rating
The maximum rating may not be exceeded under any circumstances as permanent damage to the module will result
Limit Values
Parameter Pin
Minimum Maximum
Unit
Battery Supply Vbat1, Vbat2, Vbat3 -0.15 - +5.5 V
Output Load VSWR ANT 10:1
Storage Temperature -55 +150 ˚C
ESD 1000 V
Digital I/O sink current 20 mA
Digital I/O Level 3.6 V
2.2 Electrical Characteristics
At operating Temperature: -20˚C ~ 60˚C
Parameter Pin Min. Typ. Max Unit
Battery Power supply Vbat1,Vbat2,Vbat3 3.4 3.8 4.2 V
Charger Detection Voltage CDT 0 2.5 V