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NJ88C33MADP Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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NJ88C33MADP Datasheet(HTML) 1 Page - Mitel Networks Corporation |
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1 / 11 page  DS2429 - 3.2 September 1994 NJ88C33 Frequency Synthesiser (I2C BUS Programmable) Advance Information Fig.2 Simplified block diagram of NJ88C33 The NJ88C33 is a synthesiser circuit fabricated on Mitel Semiconductor's 1.4 micron CMOS process, assuring very high performance. It is I2C compatible and can also be programmed at up to 5MHz. It contains a 16-bit R counter, a 12-bit N counter and a 7-bit A counter. A digital phase comparator gives improved loop stability with current source outputs to reduce loop components. A voltage doubler is provided for the loop driver to improve control voltage range to the VCO when operating at low supply voltages. FEATURES s Easy to Use s Low Power Consumption (15mW) s Single Supply 2.5V to 5.5V s Digital Phase Comparator with Current Source Outputs s Serial (I2C Compatible) Programming, 5MHz max s Channel Loading in 8µs s 150MHz Input Frequency Without Prescaler at 4.5V (52MHz at 2.7V) s Standby Modes s Use of Two-Modulus Prescaler is Possible APPLICATIONS s Cordless Telephones (CT2, DECT) s Cellular Telephones (GSM, PCN, ETACS) s Hand Held Marine Radios s Sonarbuoys s Video Clock generators ABSOLUTE MAXIMUM RATINGS Supply voltage, V DD -0.3V to 7V Input voltage, V IM1 -0.3 to V DD +0.3V Output voltage on pin 13, V IM2 -V DD to 0V Storage temperature, T stg -55°C to +125°C ORDERING INFORMATION NJ88C33 MA DP (Industrial - Plastic DIL package) NJ88C33 MA MP (Industrial - Miniature Plastic DIL package) Fig.1 Pin connections (not to scale) - top views MP14 DP14 |
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