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FDB6690S

Description

The FDB6690S device is a high performance frequency synthesizer with integrated dual modulus prescalers. The FDB6690S device is designed for use as a local oscillator for the first and second RF of a dual conversion radio trans- ceiver. A 16/17 or a 32/33 prescale ratio can be selected for the Main synthesizer. An 8/9 or a 16/17 prescale ratio can be selected for the Aux synthesizer. Using a proprietary digital phase lock technique, the FDB6690S device generates very stable, low noise control signals for UHF and VHF voltage controlled oscillators. Both the Main and Aux synthesizers include a two-level programmable charge pump. The Main synthesizer has dedicated Fastlock circuitry. Serial data is transferred to the devices via a three-wire interface (Data, LE, Clock). The low voltage logic interface allows connection to 1.8V devices. Supply voltages from 2.7V to 5.5V are supported. The FDB6690S features ultra low current consumption, typically 3.5 mA at 3.0V. The FDB6690S devices are available in 20-Pin TSSOP, 24-Pin CSP, and 20-Pin UTCSP surface mount plastic pack- ages.

Applications

• Process Technology: Poly Load • Organization: 64Kx8 • Power Supply Voltage: 4.5~5.5V • Low Data Retention Voltage: 2V(Min) • Three state output and TTL Compatible • Package Type: 32-SOP-525, 32-TSOP1-0820F

Features

If the attached printer is powered up and on line, the DS1481 uses SELECT OUT for communication regard- less of the state of the printers BUSY signal. If the printer is off line its BUSY signal is inactive (high) and this line is used by the DS1481 for host communication.

Supplier

  • Part Name
  • Q'ty
  • Description
  • Vendor
  • Date Code
  • Date
  • Quotation
  • FDB6690S
  • 10000
  • NEED LEAD TIME
  • FAIRCHILD
  • TO-263
  • 2017-10-17
  • FDB6690S
  • 10000
  • Fairchild
  • TO-263
  • 2017-10-17
  • FDB6690S
  • 9800
  • FAIRCHILD
  • 06+
  • 2017-10-17
  • FDB6690S
  • 8800
  • FAIRCHILD
  • TO-263(D2PAK)
  • 2017-10-17
  • FDB6690S
  • 5000
  • new arrival in own stock!
  • FAIRC
  • TO-263(D2PAK)
  • 2017-10-17
  • FDB6690S
  • 6540
  • FAIRCHILD
  • 04+
  • 2017-10-17
  • FDB6690S
  • 6520
  • Delivery
  • FAIRCHILD
  • TO
  • 2017-10-17
  • FDB6690S
  • 50000
  • New in orginal, stock offer.
  • FAIRCHILD
  • TO-263
  • 2017-10-17
  • FDB6690S
  • 49950
  • FAIRCHILD
  • TO-263
  • 2017-10-17
  • FDB6690S
  • 8356
  • new in stock
  • FAIRCHILD
  • TO-263(D2PAK)
  • 2017-10-17
  • FDB6690S
  • 5000
  • New & Original/stock
  • FAIRC
  • 07+
  • 2017-10-17
  • FDB6690S
  • 50000
  • New in orginal, stock offer.
  • FAIRCHILD
  • TO-263
  • 2017-10-17
  • FDB6690S
  • 06+
  • in stock now
  • TO-263(D2PAK)
  • 7850
  • 2017-10-17
  • FDB024N06
  • 10000
  • new and Original products , competitive price with fast delivery time .
  • FSC
  • TO-263(D2PAK)
  • 2017-10-17
  • FDB031N08
  • 10000
  • new and Original products , competitive price with fast delivery time .
  • FSC
  • TO-263(D2PAK)
  • 2017-10-17
  • FDB035AN06A0
  • 10000
  • new and Original products , competitive price with fast delivery time .
  • FSC
  • TO-263(D2PAK)
  • 2017-10-17

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