STLC4420A datasheet(19/40 Pages) STMICROELECTRONICS

номер детали	STLC4420A

подробное описание детали	Single chip 802.11b/g/a WLAN radio

PDF	40 Pages

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STLC4420A

Electrical specifications

19/40

BIAS DAC supply

voltage

2.8

3.15

SPI_DOUT

Tdod

SPI_DOUT delay from transmit

edge of SPI_CLK

Tdozh

SPI_DOUT delay before HI-Z state

from rising edge of SPI_CSX

0ns

Tdozd

SPI_DOUT delay before driven

from HI-Z state on falling edge of

SPI_CSX

Table 2.

General electrical specifications (continued)

Parameter

Test condition / comment

Min.

Typ.

Max.

Units

Table 3.

Host interface specifications

Parameter

Test condition / comment

Min.

Typ.

Max.

Units

Digital interface specifications

POWER_UP

Input

VIH

PMU Power up control. Active

High.

0.8

VBATT

VIL

0.3

Pull-Down

500

K ohms

Host CMOS

Inputs

VIH

VIO supply domain

0.7*VIO

VIO + 0.3

VIL

0.3*VIO

Host CMOS

Outputs

VOH

IOH = 0.2mA, VIO supply domain

VIO - 0.2

VIO

VOL

IOL = 6mA, VIO supply domain

0.6

Input Current

VIO supply domain

-1.0

+1.0

µA

OSC_EN

Input

VOH

IOH <= 2mA

1.4

VOL

IOL <= 2mA

0.4

REF_CLK

Input

Input Level

AC coupled

500

1000

mVpp

Accuracy

ppm

SLEEP_CLK

Input

Frequency

VIO supply domain

32.768

kHz

Accuracy

150

ppm

Duty Cycle

SPI timing specifications (refer to Figure 3)

SPI_CLK

Tcmin

SPI_CLK Period

20.8

Tch

SPI_CLK High Time

10.4

Tcl

SPI_CLK Low Time

10.4

SPI_CSX

Tcssu

SPI_CSX Setup time to first clock

edge

10.4

Tcsh

SPI_CSX hold time from last clock

edge

10.4

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