CF45538NSRG4 datasheet(5/19 Pages) TI

Part #	CF45538NSRG4

Description	TIRIS RF-Module IC for Automotive

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Manufacturer	TI [Texas Instruments]

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Internal Block Diagram and Pin Assignment

16

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2

3

4

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6

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8

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14

15

DIGITAL

DEMODULATOR

CONTROL

LOGIC

TRANSMITTER

NCHOPENDRAIN

PCHOPENDRAIN

MOSINVERTER

A3OP

A3IN

A2OP

A2IN

A1OP

A1IN

TXLO

TXHI

OSCI

OSCO

GND

VCC

TPC

TXCT-

RXDT-

RXCK

OSCILLATOR

Internal Block Diagram and Pin Assignment

Name

I/O Function

Name

I/O Function

A3OP

CMOS INVERTER-3/FSK SIGNAL OUTPUT

OSCI

OSCILLATOR INPUT(17.1776MHz typ.)

A3IN

CMOS INVERTER-3/FSK SIGNAL INPUT

OSCO

OSCILLATOR OUTPUT

A2OP

CMOS INVERTER-2 OUTPUT

GND

GND(POWER SUPPLY)

A2IN

CMOS INVERTER-2 INPUT

VCC

VCC(POWER SUPPLY)

A1OP

CMOS INVERTER-1 OUTPUT

TPC

TX-POWER Hi/Lo SELECT SIG. INPUT

A1IN

CMOS INVERTER-1 INPUT

TXCT–

TX-OUTPUT CONTROL SIGNAL INPUT

TXLO

TX-OUTPUT(NCH OPEN DRAIN OUTPUT)

RXDT–

RX-DATA("L"="1","H"="0") OUTPUT

TXHI

TX-OUTPUT(PCH OPEN DRAIN OUTPUT)

RXCK

RX-DATA CLOCK OUTPUT

SCBU036 – December 1996

TIRIS RF-Module IC for Automotive

5

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