BCM4354 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 32, and operation
outside these limits for extended periods can adversely affect long-term reliability of the device.
Table 32: Recommended Operating Conditions and DC Characteristics
Value
Parameter
Symbol
Minimum Typical Maximum Unit
3.0a
1.14
1.14
5.25b
1.26
1.26
1.98
DC supply voltage for VBAT
VBAT
–
V
DC supply voltage for core
VDD
1.2
1.2
1.8
V
V
V
DC supply voltage for RF blocks in chip
DC supply voltage for TCXO input buffer
VDDRF
WRF_TCXO_VD 1.62
D
DC supply voltage for digital I/O
VDDIO,
VDDIO_SD
1.62
–
3.63
V
DC supply voltage for RF switch I/Os
External TSSI input
VDDIO_RF
TSSI
3.13
0.15
0.4
3.3
–
3.46
0.95
0.7
V
V
V
Internal POR threshold
Vth_POR
–
SDIO Interface I/O Pins
For VDDIO_SD = 1.8V:
Input high voltage
VIH
VIL
1.27
–
–
–
–
–
–
V
V
V
V
Input low voltage
0.58
–
Output high voltage @ 2 mA
Output low voltage @ 2 mA
For VDDIO_SD = 3.3V:
Input high voltage
VOH
VOL
1.40
–
0.45
VIH
VIL
0.625 ×
VDDIO
–
–
–
–
–
V
V
V
V
Input low voltage
–
0.25 ×
VDDIO
Output high voltage @ 2 mA
Output low voltage @ 2 mA
VOH
VOL
0.75 ×
VDDIO
–
–
0.125 ×
VDDIO
Other Digital I/O Pins
For VDDIO = 1.8V:
Input high voltage
VIH
VIL
0.65 ×
VDDIO
–
–
–
–
V
V
V
Input low voltage
–
0.35 ×
VDDIO
Output high voltage @ 2 mA
VOH
VDDIO –
0.45
–
Broadcom®
October 15, 2014 • 4354-DS109-R
Page 127
BROADCOM CONFIDENTIAL
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