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BCM43903 Datasheet, PDF (60/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor
BCM43903 Preliminary Data Sheet
Recommended Operating Conditions and DC Characteristics
Recommended Operating Conditions and DC Characteristics
Caution! Functional operation is not guaranteed outside of the limits shown in Table 15. Operation
outside these limits for extended periods can adversely affect long-term reliability of the device.
Table 15: Recommended Operating Conditions and DC Characteristics
Value
Parameter
Symbol
Minimum Typical Maximum Unit
DC supply voltage for VBAT
VBAT
2.3a
DC supply voltage for digital I/O
VDDIO
1.71
DC supply voltage for RF switch I/Os
VDDIO_RFb
3.13
DC input supply voltage for CLDO, LNLDO, –
1.3
and LDO
3.3V DC supply voltage for RF analog
VDD3P3RFc
3
1.35V DC supply voltage for RF analog VDD1P35RFc
1.3
1.2V DC supply voltage for RF analog
VDD1P2RFc
1.1
1.2V DC supply voltage for analog
VDD1P2Ac
1.1
DC supply voltage for core
VDDC
1.14
DC supply voltage for OTP memory
OTP_VDD3P3b
2.97
DC supply voltage for TCXO input buffer WRF_TCXO_VDDc 1.62
Internal POR threshold
Vth_POR
0.4
3.6
4.8
V
–
3.63
V
3.3
3.6
V
1.35
1.5
V
3.3
3.45
V
1.35
1.5
V
1.2
1.26
V
1.2
1.26
V
1.2
1.26
V
3.3
3.63
V
1.8
1.98
V
–
0.7
V
Other Digital I/O Pins
For VDDIO = 1.8V:
Input high voltage
Input low voltage
Output high voltage @ 2 mA
Output low voltage @ 2 mA
For VDDIO = 3.3V:
Input high voltage
Input low voltage
Output high voltage @ 2 mA
Output low voltage @ 2 mA
VIH
VIL
VOH
VOL
VIH
VIL
VOH
VOL
0.65 × VDDIO –
–
–
VDDIO – 0.45 –
–
–
2.00
–
–
–
VDDIO – 0.4 –
–
–
–
V
0.35 ×
V
VDDIO
–
V
0.45
V
–
V
0.80
V
–
V
0.40
V
RF Switch Control Output Pinsd
For VDDIO_RF = 3.3V:
Output high voltage @ 2 mA
Output low voltage @ 2 mA
VOH
VOL
VDDIO – 0.4 –
–
–
–
V
0.40
V
Broadcom®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
Page 59