STW81101AT datasheet(8/42 Pages) STMICROELECTRONICS

Numer części	STW81101AT

Szczegółowy opis	Multi-band RF frequency synthesizer with integrated VCOs

PDF	42 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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8 / 42 page

Block diagram and pin configuration

STW81101

8/42

TEST2

Test input 2

Test purpose only; must

be connected to GND

REF_CLK

Reference clock input

VDD_PLL

PLL digital power supply

EXTVCO_INN

External VCO negative input

Test purpose only; must

be connected to GND

EXTVCO_INP

External VCO positive input

Test purpose only; must

be connected to GND

VDD_BUFVCO

VCO buffer power supply

DBUS_SEL

Digital Bus Interface select

CMOS Input

VDD_DBUS

SPI and I2C bus power supply

EXT_PD

Power down hardware

CMOS Input

SDA/DATA

I2CBUS/SPI data line

CMOS Bidir Schmitt

triggered

SCL/CLK

I2CBUS/SPI clock line

CMOS Input

ADD0/LOAD

I2CBUS address select pin/ SPI load

line

CMOS Input

ADD1

I2CBUS address select pin

CMOS Input

ADD2

I2CBUS address select pin

CMOS Input

Table 1.

Pin description (continued)

Pin No

Name

Description

Observation

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