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PDF NJ88C33 Data sheet ( Hoja de datos )
| Número de pieza | NJ88C33 | |
| Descripción | Frequency Synthesiser (I2C BUS Programmable) | |
| Fabricantes | Mitel Networks Corporation | |
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NJ88C33
Frequency Synthesiser (I2C BUS Programmable)
Advance Information
DS2429 - 3.2 September 1994
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
DP14
MP14
Fig.1 Pin connections (not to scale) - top views
ABSOLUTE MAXIMUM RATINGS
Supply voltage, VDD
Input voltage, VIM1
Output voltage on pin 13, VIM2
Storage temperature, Tstg
-0.3V to 7V
-0.3 to VDD +0.3V
-VDD to 0V
-55°C to +125°C
ORDERING INFORMATION
NJ88C33 MA DP (Industrial - Plastic DIL package)
NJ88C33 MA MP (Industrial - Miniature Plastic DIL package)
Fig.2 Simplified block diagram of NJ88C33
1 page  
NJ88C33
VOLTAGE DOUBLER
Characteristic
Output Pin C
Output voltage
Fig. 4 Typical output signal PD, high current mode
VDD ≤ 3V
Value
Symbol
Min. Typ.
Max.
Unit
Conditions
VC
VC
-V
DD
-VDD
-VDD + 0.8V V
-VDD + 1.5V V
fVD = 2MHz, IOC = 0µA, VDD = 3V
fVD = 2MHz, IOC = 100µA, VDD = 3V
Current Consumption
TIMING INFORMATION
Characteristic
Input Signal RI
Input frequency
Input frequency
Rise time
Fall time
Slew rate
Input Signal FI
Input frequency
Input frequency
Rise time
Fall time
Slew rate
Input Signal FI
Input frequency
Input frequency
Rise time
Fall time
Slew rate
Output Signal PORT
Rise time
Fall time
Output Signal FVN
Fall time
Output Signal MOD
Rise time
Fall time
Delay time (L→H)
Delay time (H→L)
ID 100 µA fVD = 2MHz, IOC = 0µA, VDD = 3V
Symbol
Value
Min. Typ. Max.
Unit
Conditions
fmax 0
fmax 0
tR
tF
3
f
max
0
fmax 0
tR
tF
3
fmax
fmax 0
tR 0
tF
3
52 MHz
10 MHz VDD = 2.7V
1.5 µs
1.5 µs
V/µs
Dual modulus
52 MHz
20 MHz VDD = 2.7V
1.5 µs
1.5 µs
V/µs
Single modulus
150 MHz
52 MHz VDD = 2.7V
1.5 µs
1.5 µs
V/µs
tR 1 µs CL = 30pF
tF 1 µs CL = 30pF
tF 20 ns CL = 30pF
t
R
10 ns CL = 30pF
tF 10 ns CL = 30pF
tDLH 15 ns CL = 30pF Measured from +Ve edge of FI
tDHL 15 ns CL = 30pF Measured from +Ve edge of FI
5
5 Page 
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North America
Tel: +1 (770) 486 0194
Fax: +1 (770) 631 8213
World Headquarters - Canada
Tel: +1 (613) 592 2122
Fax: +1 (613) 592 6909
Asia/Pacific
Tel: +65 333 6193
Fax: +65 333 6192
Europe, Middle East,
and Africa (EMEA)
Tel: +44 (0) 1793 518528
Fax: +44 (0) 1793 518581
Information relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively “Mitel”) is believed to be reliable. However, Mitel assumes no
liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of
patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or
service conveys any license, either express or implied, under patents or other intellectual property rights owned by Mitel or licensed from third parties by Mitel, whatsoever.
Purchasers of products are also hereby notified that the use of product in certain ways or in combination with Mitel, or non-Mitel furnished goods or services may infringe patents or
other intellectual property rights owned by Mitel.
This publication is issued to provide information only and (unless agreed by Mitel in writing) may not be used, applied or reproduced for any purpose nor form part of any order or
contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this
publication are subject to change by Mitel without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or
service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific
piece of equipment. It is the user’s responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or
data used is up to date and has not been superseded. Manufacturing does not necessarily include testing of all functions or parameters. These products are not suitable for use in
any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to Mitel’s
conditions of sale which are available on request.
M Mitel (design) and ST-BUS are registered trademarks of MITEL Corporation
Mitel Semiconductor is an ISO 9001 Registered Company
Copyright 1999 MITEL Corporation
All Rights Reserved
Printed in CANADA
TECHNICAL DOCUMENTATION - NOT FOR RESALE
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NJ88C33.PDF ] | |
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