TLC2943

HIGH-PERFORMANCE DUAL PHASE-LOCKED BUILDING BLOCK

SLAS249 – NOVEMBER 1999

1

POST OFFICE BOX 655303

(MCM) Technology

Section

–

Complete Oscillator Using Only One

External Bias Resistor (RBIAS)

–

Recommended Lock Frequency

Range

–

37 MHz to 60 MHz

to 75

°C)

–

43 MHz to 100 MHz

to 75

°C)

Phase Frequency Detector (PFD) With

Internal Charge Pump

Mode

description

The TLC2943 is a multichip module product that

uses two TLC2933 chips. The TLC2933 chip is

composed of a voltage-controlled oscillator (VCO) and an edge-triggered-type phase frequency detector

PFD with internal charge pump detects the phase difference between the reference frequency input and signal

frequency input from the external counter. Both the VCO and the PFD have inhibit functions that can be used

as a power-down mode. The high-speed and stable VCO characteristics of the TLC2933 make the TLC2943

suitable for use in dual high-performance phase-locked loop (PLL) systems.

AVAILABLE OPTIONS

TA

PACKAGE

TA

SMALL OUTLINE (DB)

20

°Cto75°C

TLC2943IDB

– 20

°C to 75°C

TLC2943IDBR (Tape and Reel)

Copyright

© 1999, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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TEST_1

VCO_1 OUT

PFD_1 OUT

LOGIC_1 GND

GND

NC

NC

NC

GND

TEST_2

VCO_2 OUT

PFD_2 OUT

LOGIC_2 GND

VCOIN_1

VCO_1 GND

VCO_1 INHIBIT

PFD_1 INHIBIT

NC

GND

NC

NC

NC

GND

VCOIN_2

VCO_2 GND

VCO_2 INHIBIT

PFD_2 INHIBIT

NC

DB PACKAGE

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