MB1503 Fujitsu Media Devices, MB1503 Datasheet

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MB1503

Manufacturer Part Number
MB1503
Description
LOW-POWER PLL FREQUENCY SYNTHESIZER
Manufacturer
Fujitsu Media Devices
Datasheet

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LOW-POWER PLL FREQUENCY SYNTHESIZER WITH
POWER SAVE FUNCTION (1.1GHz)
The Fujitsu MB1503 is a serial input phase-locked loop (PLL) frequency synthesizer with a
pulse-swallow function. A stand-by mode is provided to limit power consumption during
intermittent operation.
The MB1503 is configured of a 1.1GHz dual-modulus prescaler with 128/129 divide ratio,
control signal generator, 16-bit shift register, 15-bit latch, programmable reference divider
(binary 14-bit programmable reference counter), 1-bit switch counter, phase comparator
with phase conversion function, charge pump, crystal oscillator, 19-bit shift register, 18-bit
latch, programmable divider (binary 7-bit swallow counter and binary 11-bit programmable
counter), analog switches, and an intermittent operation control circuit that selects the
operating or stand-by mode depending on the power-save control input state (PS).
The MB1503 operates from a single +5 V supply. Fujitsu’s advanced technology achieves
an Icc of 8mA, typical. The stand-by mode current consumption is just 100 A.
Features
– Binary 7-bit swallow counter
– Binary 11-bit programmable counter : 16 to 2,047
– Binary 15-bit programmable reference counter: 8 to 16,383
– 1-bit switch counter sets prescaler divide ratio
ABSOLUTE MAXIMUM RATINGS (See NOTE)
NOTE: Permanent device damage may occur if the above Absolute Maximum
MB1503
Copyright
Sept. 1995
Edition 1.0a
Supply Voltage
Output Voltage
Output Current
Storage Temperature
High operating frequency
Pulse-swallow function
Low supply current
Power-saving stand-by mode : 100 A
Serial input, 18-bit programmable divider consisting of:
Serial input 15-bit programmable reference divider consisting of:
On-chip analog switch for fast lock-up
On-chip charge pump
Wide operating temperature range: –40 to +85 C
Plastic 16–pin dual inline package (Suffix : –P)
Plastic 16–pin small outline package (Suffix : –PF)
Ratings are exceeded. Functional operation should be restricted to the
conditions as detailed in the operational sections of this data sheet. Exposure
to absolute maximum rating conditions for extended periods may affect device
reliability.
1994 by FUJITSULIMITED
Ratings
Symbol
: f
: High-speed dual-modulus prescaler with 128/129
: I
V
V
V
I
Tstg
OUT
CC
P
OUT
divide ratio
IN
CC
= 1.1GHz (P
: 0 to 127
= 8mA typ. at 5V
–0.5 to V
V
IN
CC
–0.5 to +7.0
–55 to +125
= –10dBm)
Value
DATA SHEET
V
10
P
CC
10.0
+0.5
Unit
mA
V
V
V
C
This device contains circuitry to protect the inputs
against damage due to high static voltages or electric
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.
PLASTIC PACKAGE
PLASTIC PACKAGE
(FPT-16P-M06)
(DIP-16P-M04)
1

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MB1503 Summary of contents

Page 1

... MB1503 LOW-POWER PLL FREQUENCY SYNTHESIZER WITH POWER SAVE FUNCTION (1.1GHz) The Fujitsu MB1503 is a serial input phase-locked loop (PLL) frequency synthesizer with a pulse-swallow function. A stand-by mode is provided to limit power consumption during intermittent operation. The MB1503 is configured of a 1.1GHz dual-modulus prescaler with 128/129 divide ratio, ...

Page 2

... MB1503 PIN ASSIGNMENT 2 (TOP VIEW) OSC OSC 2 15 OUT GND BiSW FC LE Data 9 Clock ...

Page 3

... Control Circuit 19-bit Shift Register 19-bit Shift Register 18-bit Latch 7-bit Latch 11-bit Latch Programmable Divider Binary 7-bit Binary 11-bit Swallow Programmable Counter Counter Control Circuit MB1503 To Lock Detector Phase Comparator PS1 Phase Characteristics Changing From Circuit Phase Comparator Charge PS1 ...

Page 4

... MB1503 PIN DESCRIPTION Pin No. Pin Name I/O 1 OSC I Programmable reference divider input IN Oscillator input An external crystal is connected to this pin. 2 OSC O Oscillator output OUT An external crystal is connected to this pin – Power supply input for charge pump and analog switch – Power supply ...

Page 5

... The programmable reference divider consists of a 15-bit latch and a 14-bit reference counter. The serial 16-bit data format is shown below: Control bit LSB Divide ratio setting bit for programmable reference counter A 127) Direction of data shift Divide ratio setting bit for prescaler MSB MB1503 5 ...

Page 6

... MB1503 14-bit programmable reference counter divide ratio Divide ratio 16383 1 1 Notes: 1. Divide ratios less than 8 are prohibited 2. SW: This bit selects the divide ratio of the prescaler SW Low: 128 or 129 (SW must be always be low S14: These bits select the divide ratio of the programmable reference counter (8 to 16,383) 4 ...

Page 7

... Clock pulse width pulse width Control bit LSB (S1) (C: Control bit MB1503 ...

Page 8

... MB1503 Intermittent operation Intermittent operation limits power consumption by shutting down or starting the internal circuits according to their necessity. If device operation resumes uncontrolled, the error signal output from the phase comparator may exceed the limit due to an undefined phase relationship between the reference frequency (f To prevent this, an intermittent operation control circuit is provided to decrease the variation in the locking frequency by forcibly correcting the phase of both frequencies to limit the error signal output ...

Page 9

... CHP (Control signal LE < < spike might not appear depending on the charge pump characteristics 12.8MHz 625 to 1,250ns). OSCIN D O LPF–1 BiSW Analog switch f < < output through O LPF–2 VCO MB1503 9 ...

Page 10

... MB1503 RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input Voltage Operating Temperature HANDLING PRECAUTIONS This device should be transported and stored in anti-static containers. This is a static-sensitive device; take proper anti-ESD precautions. Ensure that personnel and equipment are properly grounded. Cover work- benches with grounded conductive mats. ...

Page 11

... MHz — 6 dBm — – Vp–p — – V — 0 — – A – A — — – A — – A – — 0 GND 1 – mA — – mA — – — MB1503 = and ...

Page 12

... MB1503 TEST CIRCUIT (FOR MEASURING PRESCALER INPUT SENSITIVITY) P · 0.1 1000p Oscilloscope = X’ tal ...

Page 13

... IN X’ tal Maximum Depends on the crystal parameters 1 2 LPF f BiSW FC LE Data MB1513 GND OUT 0.1 Output VCO From controller Clock 47K 47K 1000p MB1503 13 ...

Page 14

... MB1503 PACKAGE DIMENSIONS .400 +.010 (10.15 –.008 INDEX .018 .004 .050(1.27) TYP (0.45 0.10) .004(0.10) .350(8.89) REF 1991 FUJITSU LIMITED F16015S-2C 14 16-LEAD PLASTIC FLAT PACKAGE (CASE No.: FPT-16P-M06) +0.25 ) –0.20 .307 .016 (7.80 0.40) .209 .012 (5.30 0.30) “B” Ø.005(0.13) M Details of “A” part “A” .016(0.40) ...

Page 15

... INDEX-1 INDEX-2 .039 +.012 –0 +0.30 (0.99 ) –0 .100(2.54) TYP .050(1.27) MAX 1991 FUJITSU LIMITED D16033S-2C (CASE No.: DIP-16P-M04) +0.20 (19.55 ) –0.30 .244 .010 (6.20 0.25) .060 +.012 –0 +0.30 (1.52 ) –0 .020(0.51)MIN .018 .003 (0.46 0.08) MB1503 15 MAX .300(7.62) TYP .010 .002 (0.25 0.05) .172(4.36)MAX .118(3.00)MIN Dimensions in inches (millimeters) 15 ...

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