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TLC2943 Datasheet High-performance Dual Phase-locked Building Block

Manufacturer: Texas Instruments

Overview: TLC2943 HIGH-PERFORMANCE DUAL PHASE-LOCKED BUILDING BLOCK SLAS249 – NOVEMBER 1999 D Dual TLC2933 by Multichip Module (MCM) Technology D Voltage-Controlled Oscillators (VCO) Section – plete Oscillator Using Only One External Bias Resistor (RBIAS) – Remended Lock Frequency Range – 37 MHz to 60 MHz (VDD = 3.3 V ± 0.15 V, TA = –20°C to 75°C) – 43 MHz to 100 MHz (VDD = 5 V ± 0.

General Description

DB PACKAGE (TOP VIEW) LOGIC_1 VDD 1 TEST_1 2 VCO_1 OUT 3 FIN-A_1 4 FIN-B_1 5 PFD_1 OUT 6 LOGIC_1 GND 7 GND 8 NC 9 NC 10 NC 11 GND 12 LOGIC_2 VDD 13 TEST_2 14 VCO_2 OUT 15 FIN-A_2 16 FIN-B_2 17 PFD_2 OUT 18 LOGIC_2 GND 19 38 VCO_1 VDD 37 RBIAS _1 36 VCOIN_1 35 VCO_1 GND 34 VCO_1 INHIBIT 33 PFD_1 INHIBIT 32 NC 31 GND 30 NC 29 NC 28 NC 27 GND 26 VCO_2 VDD 25 RBIAS _2 24 VCOIN_2 23 VCO_2 GND 22 VCO_2 INHIBIT 21 PFD_2 INHIBIT 20 NC The TLC2943 is a multichip module product that uses two TLC2933 chips.

The TLC2933 chip is posed of a voltage-controlled oscillator (VCO) and an edge-triggered-type phase frequency detector (PFD).

The oscillation frequency range of the VCO is set by an external bias resistor (R BIAS ).

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