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MB15F74UL - Dual Serial Input PLL Frequency Synthesizer

Description

The Fujitsu MB15F74UL is a serial input Phase Locked Loop (PLL) frequency synthesizer with a 4000 MHz and a 2000 MHz prescalers.

A 64/65 or a 128/129 for the 4000 MHz prescaler, and a 32/33 or a 64/65 for the 2000 MHz prescaler can be selected for the prescaler that enables pulse swallow operation.

Features

  • High frequency operation : RF synthesizer : 4000 MHz Max : IF synthesizer : 2000 MHz Max.
  • Low power supply voltage : VCC = 2.7 to 3.6 V.
  • Ultra low power supply current : ICC = 9.0 mA Typ (VCC = Vp = 3.0 V, Ta = +25 °C, SWIF = SWRF = 0 in IF/RF locking state) (Continued) s.

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www.DataSheet4U.com FUJITSU SEMICONDUCTOR DATA SHEET DS04-21374-1E ASSP Dual Serial Input PLL Frequency Synthesizer MB15F74UL s DESCRIPTION The Fujitsu MB15F74UL is a serial input Phase Locked Loop (PLL) frequency synthesizer with a 4000 MHz and a 2000 MHz prescalers. A 64/65 or a 128/129 for the 4000 MHz prescaler, and a 32/33 or a 64/65 for the 2000 MHz prescaler can be selected for the prescaler that enables pulse swallow operation. The BiCMOS process is used, as a result a supply current is typically 9.0 mA at 3.0 V. The supply voltage range is from 2.7 V to 3.6 V. A refined charge pump supplies well-balanced output current with 1.5 mA and 6 mA selectable by serial date. The pin assignments are the same as MB15F78UL. Fast locking is achieved for adopting the new circuit.
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