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M66238FP fiches techniques PDF

Mitsubishi - STANDARD CLOCK GENERATOR WITH PLL FREQUENCY SYNTHESIZER

Numéro de référence M66238FP
Description STANDARD CLOCK GENERATOR WITH PLL FREQUENCY SYNTHESIZER
Fabricant Mitsubishi 
Logo Mitsubishi 





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M66238FP fiche technique
MITMSITUSBUISBHISI HDI IGDIITGAITLAALSASSPSP
M662M36682F38PFP
STASNTADNADRADRCDLOCLCOKCGKEGNEENREATROATROWRITWHITPHLLPLFLRFERQEUQEUNECNYCSYYSNYTNHTEHSEIZSEIRZER
DESCRIPTION
The M66238 is a LSI that incorporates a PLL synthesizer and
a sync clock generator in it. The PLL synthesizer covers the
range of 25MHz to 50MHz at the minimum steps of 3kHz.
The sync circuit outputs a clock and a one-shot pulse which
are synchronized with an external trigger signal. Setting a
dividing ratio allows acquisition of sync clock outputs within
the range of 0.78MHz to 25MHz.
FEATURES
• Sync clock output frequency range: 1/1, 1/2, 1/4, 1/8, 1/16,
1/32 of 25 to 50MHz
• Sync accuracy (jitter): ±3ns
• Trigger input: Polarity selectable
• One-shot pulse output: Polarity and width selectable
• 5V power supply
APPLICATION
Pixel clock generator
PIN CONFIGURATION (TOP VIEW)
DIGITAL GND PIN DGND 1
RESET INPUT RESET 2
CHIP SELECT INPUT CS 3
SERIAL DATA INPUT SIN 4
SERIAL CLOCK INPUT SCLK 5
CLOCK OUTPUT XOUT 6
CLOCK INPUT XIN 7
DIGITAL GND PIN DGND 8
DIGITAL POWER
SUPPLY PIN
DVCC
9
TCKI 10
TEST
PIN
TCKO
11
PLL OUTPUT CKO/PLLO 12
CLOCK OUTPUT CKOB 13
ONE-SHOT PULSE OUTPUT PULSE 14
SYNC OUTPUT POWER
SUPPLY PIN
VCCO
15
SYNC OUTPUT GND PIN GNDO 16
32 AGND ANALOG GND PIN
31
AVCC
ANALOG POWER
SUPPLY PIN
30 AGND ANALOG GND PIN
29 RV VCO LOAD OUTPUT
28
AVCC
ANALOG POWER
SUPPLY PIN
27 AGND ANALOG GND PIN
26 CPIN FILTER CONNECT PIN
25 AGND ANALOG GND PIN
24 CPOUT FILTER CONNECT PIN
23 DGND DIGITAL GND PIN
22
DVCC
DIGITAL POWER
SUPPLY PIN
21 UP
TEST PIN
20 DOWN
19
DVCC
DIGITAL POWER
SUPPLY PIN
18 DGND DIGITAL GND PIN
17 TR TRIGGER INPUT
Outline 32P2W-A
BLOCK DIAGRAM
CHIP SELECT INPUT CS 3
SERIAL DATA INPUT SIN 4
SERIAL CLOCK INPUT SCLK 5
CLOCK INPUT XIN 7
CLOCK OUTPUT XOUT 6
RESET INPUT RESET 2
TRIGGER INPUT TR 17
SERIAL
WRITE
CONTROL
CIRCUIT
CRYSTAL
OSCILLATOR
CIRCUIT
fin
12-BIT
DIVIDER
COMMAND
REGISTER
COMMAND CONTROL
CIRCUIT
15
12
15-BIT COUNTER
PHASE
COMPARATOR
VCO
fvco
25MHz ~ 50MHz
CHARGE
PUMP
10 TCKI
11 TCKO
TEST PIN
SYNC/DIVIDER
CIRCUIT
( )SYNC CLOCK
GENERATOR
12 CKO/PLLO PLL OUTPUT
13 CKOB CLOCK OUTPUT
14 PULSE ONE-SHOT PULSE OUTPUT
21 20 24
UP DOWN CPOUT
26
CPIN
29
RV
TEST PIN
FILTER CONNECT PIN
FILTER CONNECT PIN VCO LOAD OUTPUT
1

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