BCM4354 datasheet(128/192 Pages) CYPRESS

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Recommended Operating Conditions and DC Characteristics

BCM4354 Data Sheet

BROADCOM CONFIDENTIAL

Broadcom®

October 15, 2014 • 4354-DS109-R

Page 127

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

Parameter

Symbol

Value

Unit

Minimum

Typical

Maximum

DC supply voltage for VBAT

VBAT

3.0a

–

5.25b

DC supply voltage for core

VDD

1.14

1.2

1.26

DC supply voltage for RF blocks in chip

VDDRF

1.14

1.2

1.26

DC supply voltage for TCXO input buffer

WRF_TCXO_VD

1.62

1.8

1.98

DC supply voltage for digital I/O

VDDIO,

VDDIO_SD

1.62

–

3.63

DC supply voltage for RF switch I/Os

VDDIO_RF

3.13

3.3

3.46

External TSSI input

TSSI

0.15

–

0.95

Internal POR threshold

Vth_POR

0.4

–

0.7

SDIO Interface I/O Pins

For VDDIO_SD = 1.8V:

Input high voltage

VIH

1.27

–

–V

Input low voltage

VIL

–

–0.58

Output high voltage @ 2 mA

VOH

1.40

–

–V

Output low voltage @ 2 mA

VOL

–

–0.45

For VDDIO_SD = 3.3V:

Input high voltage

VIH

0.625 ×

VDDIO

–

–V

Input low voltage

VIL

–

0.25 ×

VDDIO

Output high voltage @ 2 mA

VOH

0.75 ×

VDDIO

––

Output low voltage @ 2 mA

VOL

–

0.125 ×

VDDIO

Other Digital I/O Pins

For VDDIO = 1.8V:

Input high voltage

VIH

0.65 ×

VDDIO

–

–V

Input low voltage

VIL

–

0.35 ×

VDDIO

Output high voltage @ 2 mA

VOH

VDDIO –

0.45

–

–V

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