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PDF MB509 Data sheet ( Hoja de datos )
| Número de pieza | MB509 | |
| Descripción | TWO MODULUS PRESCALER WITH STAND-BY MODE | |
| Fabricantes | Fujitsu Media Devices | |
| Logotipo |  |
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Sept. 1995
Edition 3.0a
DATA SHEET
MB509
TWO MODULUS PRESCALER WITH STAND-BY MODE
TWO MODULUS PRESCALER WITH STAND-BY MODE
The Fujitsu MB509 is a low power, two modulus prescaler equipped with the
standby mode. The MB509 is used in conjunction with a frequency synthesizer
to form a Phase Locked Loop (PLL) and will divide the input frequency by the
modulus of 65/65 or 128/129.
Power consumption is typically 11.5mA at 5.0V. under normal operation, with the
current reduced to180µA in standby mode. By using MB509 with the MB87076,
intermittent operating mode can be achieved.
FEATURES
S High Frequency Operation:
S Pulse Swallow Function:
fmax = 1.1GHz max. (PIN = –4dBm min.)
64/65, 128/129
S Power Supply Consumption: 58mW typ.
S Stand-by Current:
180µA typ.
S Stable Output Amplitude:
VO = 1.6Vp–p typ.
S Complete PLL synthesizer circuit with the Fujitsu MB87076, PLL frequency
synthesizer IC
S Plastic 8-pin Dual-In-Line Package (Suffix: –P)
Plastic 8-pin Mini Flat Package (Suffix: –PF)
S Built-in a Termination Resistor
Stable output amplitude is obtained up to output load capacitance of 8pF
ABSOLUTE MAXIMUM RATINGS (See Note)
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC –0.5 to +7.0
V
Input Voltage
VIN –0.5 to VCC
V
Output Current
IO 10 mA
Storage Temperature
TSTG
–55 to +125
°C
Note:
Permanent device damage may occur if the above Absolute Maximum 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.
Copyright E 1990 by FUJITSU LIMITED and FUJITSU MICROELECTRONICS, INC.
PLASTIC PACKAGE
DIP-08P-M01
PLASTIC PACKAGE
FPT-08P-M01
PIN ASSIGNMENT
IN
VCC
SW
OUT
18
27
TOP VIEW
36
45
IN
PS
MC
GND
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.
1 page  
TYPICAL CHARACTERISTICS CURVES
10
Datasheet spec.
0
TA = 85°C
MB509
VCC = 5.0V
TA = –40°C
TA = 25°C
–10
–20
–30
1.0 1.2 1.4
INPUT FREQUENCY fIN (GHz)
Figure 3. Input Signal Amplitude vs. Input Frequency
PS pin
Input Signal
% Power Off &
% Power On &
1.6
OUT pin
Output signal
(Prescaler
output)
50ns/Div.
Note: About 50ns of set up time is required both power on/off.
Figure 4. Waveform of Stand-by Mode
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MB509.PDF ] | |
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