MB15C03 Fujitsu, MB15C03 Datasheet

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MB15C03

Manufacturer Part Number
MB15C03
Description
Single Serial Input PLL Frequency Synthesizer On-Chip prescaler
Manufacturer
Fujitsu
Datasheet
FUJITSU SEMICONDUCTOR
ASSP
Single Serial Input
PLL Frequency Synthesizer
On-Chip prescaler
MB15C03
This device contains circuitry to protect the inputs against damage due to high static voltages or electroc fields. However, it is advised that normal precautions
be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit.
DESCRIPTION
FEATURES
• Frequency operation
• Separate power supply :
• Power saving function
• Pulse swallow function: 64/65
• Serial input 14-bit programmable reference divider: R = 5 to 16,383
• Serial input 18-bit programmable divider consisting of:
• Wide operating temperature: Ta = –20 to +60 C
• Plastic 16-pin SSOP package (FPT-16P-M05)
PACKAGE
The Fujitsu MB15C03 is a serial input Phase Locked Loop (PLL) frequency synthesizer with a prescaler. A 64/
65 division is available for the prescaler that enables pulse swallow operation.
This operates with a supply voltage of 1.0 V (min.).
MB15C03 is suitable for mobile communications, such as paging systems.
DATA SHEET
- Binary 6-bit swallow counter: 0 to 63
- Binary 12-bit programmable counter: 5 to 4,095
90 MHz @V
120 MHz @V
V
V
DD
P
= 2.0V to 3.5V (for a charge pump)
= 1.0 to 1.5 V (for overall system)
DD
DD
16-pin, plastic SSOP
= 1.0 to 1.5V
= 1.2 to 1.5V
(FPT-16P-M05)
DS04-21349-1E

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MB15C03 Summary of contents

Page 1

... On-Chip prescaler MB15C03 DESCRIPTION The Fujitsu MB15C03 is a serial input Phase Locked Loop (PLL) frequency synthesizer with a prescaler. A 64/ 65 division is available for the prescaler that enables pulse swallow operation. This operates with a supply voltage of 1.0 V (min.). MB15C03 is suitable for mobile communications, such as paging systems. ...

Page 2

... MB15C03 PIN ASSIGNMENT Clock 2 15 OSC OSC Data OUT LE 4 TOP 13 TEST VIEW 5 12 fin ...

Page 3

... Oscillator output. Connection for an external crystal. Programmable reference divider input. Oscillator input. Clock can be input to OSC from outside. In the case, please leave IN OSC pin open and make connection with OSC OUT Ground. MB15C03 output monitoring pin coupling ...

Page 4

... MB15C03 BLOCK DIAGRAM Intermittent mode control circuit Clock 2 Data 3 Control register LE 4 fin Lock detector Programmable reference divider Binary 14-bit f r reference counter 14 14-bit latch 14 18-bit shift register 18 18-bit latch 6 12 Prescaler Binary 6-bit Binary 12-bit swallow ...

Page 5

... OUTP P I –10 OUT Ta –20 T –40 +125 stg Value Symbol Min. Typ. 1.0 — 1.2 — V 2.0 — GND — –20 — MB15C03 Unit Remark V V +0.5 V +0.5 V +0.5 V + Unit Remark Max. 1.5 For 90 MHz V 1.5 For 120 MHz 3 + ...

Page 6

... MB15C03 ELECTRICAL CHARACTERISTICS Parameter Supply current Active Mode I Power saving Power saving current mode fin Operating frequency OSC fin Input sensitivity OSC IN Except for “H” level Input voltage fin and OSC IN “L” level Except for “H” level Input current ...

Page 7

... Circuit Description (1) Intermittent operation The intermittent operation of the MB15C03 refers to the process of activating and deactivating its internal circuit thus saving power dissipation otherwise consumed by the circuit. If the circuit is simply restarted from the power saving state, however, the phase relation between the reference frequency ( which are the input to the phase comparator, is not stable even when they are of the same value ...

Page 8

... Prescaler : Swallow counter : Programmable counter : 4095 The MB15C03 uses the pulse swallow method; consequently, the divide rations of the swallow and programmable counters must satisfy the relationship N > A. The total divide ratio of the programmable divider is calculated as follows: Total divide ratio = (M+ (N- When N is set within 5< ...

Page 9

... The pulse width of the phase comparator outputs are identical and equal to the phase error between shown in Figure 1. p Figure 1 Phase comparator input/output waveforms When FC = “L” When FC = “H” “L” “H” High Z : High impedance state MB15C03 r and r High Z High Z 9 ...

Page 10

... MB15C03 (c) Lock detector The lock detector detects the lock and unlock states of the PLL. The lock detector outputs “H” when the PLL enters the lock state and outputs “L” when the PLL enters the unlock state as shown in Figure 2. When PS = “ ...

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... Figure 3 Serial data format Direction of data input Programmable counter Direction of data input Programmable reference counter MB15C03 MSB MSB ...

Page 12

... MB15C03 AND Data C* Clock LE AND Prescaler (3) Setting the divide ratio for the programmable divider Columns Table.2.1 represent the divide ratio of the swallow counter and columns N0 to N11 of Table.2.2 represent the divide ratio of programmable counter. The control bit is set to 0. ...

Page 13

... When more bits of serial data than defined for the target divider are received, only the last valid serial data bits are effective. To set the divide ratio for the MB15C03 dividers necessary to supply the Data, Clock, and LE signals at the timing shown in Figure 5. ...

Page 14

... Clock LE Since the divide rations are unpredictable when the MB15C03 is turned on necessary to initialize the divide ratio for both dividers at power-on time. As shown in Figure 6, after setting the divide ratio for one of the dividers (e.g., programmable reference divider), set LE to “H” level before setting the divide ratio for the other divider (e ...

Page 15

... Input sensitivity 200 300 400 500 600 fin input frequency (MHz) OSC input frequency vs. Input sensitivity IN 100 150 200 250 300 350 OSC input frequency (MHz) IN MB15C03 700 800 900 1000 ...

Page 16

... MB15C03 3. fin Power Supply Voltage Dependency 1000 Vfin = –4.0 (dBm) 900 800 700 600 500 400 300 200 100 0 0.9 1.0 4. OSC Power Supply Voltage Dependency IN 500 Vfin = –4.0 (dBm) 450 400 350 300 250 200 150 100 50 0 0.9 1.0 16 Power supply voltage vs. fin input frequency 1 ...

Page 17

... Power supply current 300 400 500 600 700 fin input frequecy (MHz) Power supply voltage vs. Power supply current 1.2 1.3 1.4 1.5 Power supply voltage (V) MB15C03 800 900 1000 Ta = +25 C fin = 90 (MHz) fin = 120 (MHz) Vfin = –4.0 (dBm) 1 ...

Page 18

... MB15C03 6. I (Lock) Power Supply Voltage Dependency DD 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0.9 50 LPF 18 V — 1.0 1.1 1.2 1.3 1.4 1 MB15C03 VCO 3 14 1000 p 1000 +25 C fvco = 50 MHz fvco = 130 MHz 1.6 1.7 1 OSC = 16.0 MHz IN (0 – ...

Page 19

... D (Chargepump) Power Supply Voltage Dependency O 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 – — 3 + (mA — 3 + –4 –6 –8 –10 –12 –14 I (mA) OH MB15C03 –16 –18 –20 19 ...

Page 20

... MB15C03 8. Spectrum Waveforms ATTEN dBm MKR 25.0 KHz D -84. CENTER 130.0000 MHz * RBW 1.0 kHz ATTEN dBm MKR 1.97 kHz D -68. CENTER 130.00000 MHz * RBW 100 Hz • Mesurement circuit D O 6800 pF 20 UAUG 0 MKR -84. dB/ 25.0 kHz SPAN 200.0 kHz UBW 1.0 kHz * SWP 1 ...

Page 21

... +25˚ 130.0 MHz, within ±1 kHz 2. 2.19999981 ms A euts N/A y: 130 Hz 130.0050 MHz 2.00 kHz/div 129.9950 MHz 0 s 8.0000000 MB15C03 ( KHz +25˚C P 131.0 MHz, within ±1 kHz 3. euts N 10.0000000 ms 21 ...

Page 22

... MB15C03 ORDERING INFORMATION Part number MB15C03PFV 22 Package 16-pin, Plastic SSOP (FPT-16P-M05) Remarks ...

Page 23

... NOM "A" +0.05 0.15 –0.02 +.002 .006 –.001 MB15C03 (Mounting height) 0.10(.004) Details of "A" part 0.10±0.10(.004±.004) (STAND OFF) 0 10° 0.50±0.20 (.020±.008) Dimensions in mm (inches) 23 ...

Page 24

... MB15C03 FUJITSU LIMITED For further information please contact: Japan FUJITSU LIMITED Corporate Global Business Support Division Electronic Devices KAWASAKI PLANT, 4-1-1, Kamikodanaka Nakahara-ku, Kawasaki-shi Kanagawa 211-88, Japan Tel: (044) 754-3753 Fax: (044) 754-3329 http://www.fujitsu.co.jp/ North and South America FUJITSU MICROELECTRONICS, INC. ...

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