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DESCRIPTION

The Fujitsu MB15F73UV is a serial input Phase Locked Loop (PLL) frequency synthesizer with a 2250 MHz and a 600 MHz prescalers. A 64/65 or a 128/129 for the 2250 MHz prescaler, and a 8/9 or a 16/17 for the 600 MHz prescaler can be selected for the prescaler that enables pulse swallow operation.

FEATURES

? High frequency operation : RF synthesizer : 2250 MHz Max

: IF synthesizer : 600 MHz Max

? Low power supply voltage : VCC = 2.4 V to 3.6 V

? Ultra low power supply current : ICC = 3.2 mA Typ

(VCC = 2.7 V, Ta = +25 °C, SWIF = SWRF = 0 in IF/RF locking state)

? Direct power saving function : Power supply current in power saving mode

Typ 0.1 μA (VCC = 2.7 V, Ta = +25 °C)

Max 10 μA (VCC = 2.7 V)

? Software selectable charge pump current : 1.5 mA/6.0 mA Typ

? Dual modulus prescaler : 2250 MHz prescaler (64/65 or128/129) /600 MHz prescaler (8/9 or 16/17)

? 23 bit shift register

? Serial input binary 14-bit programmable reference divider : R = 3 to 16,383

? Serial input programmable divider consisting of:

- Binary 7-bit swallow counter : 0 to 127

- Binary 11-bit programmable counter : 3 to 2,047

? Built-in high-speed tuning, low-noise phase comparator, current-switching type constant current circuit

? On-chip phase control for phase comparator

? On-chip phase comparator for fast lock and low noise

? Built-in digital locking detector circuit to detect PLL locking and unlocking

? Operating temperature : Ta = ?40 °C to +85 °C

? Serial data format compatible with MB15F73UL

? Ultra small Package Bcc18 (2.4 mm x 2.7 mm x 0.45 mm)