MPC93R52 Motorola, MPC93R52 Datasheet - Page 7
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MPC93R52
Manufacturer Part Number
MPC93R52
Description
LOW VOLTAGE 3.3V LVCMOS 1:11 CLOCK GENERATOR
Manufacturer
Motorola
Datasheet
1.MPC93R52.pdf
(16 pages)
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Example Configurations for the MPC93R52
TIMING SOLUTIONS
fref = 100 MHz
MPC93R52 default configuration (feedback of QB0 = 100
MHz). All control pins are left open.
MPC93R52 configuration to multiply the reference frequen-
cy by 3, 3 2 and 1. PLL feedback of QA4 = 33.3 MHz.
fref = 33.3 MHz
VCC
VCC
VCC
Frequency range
Frequency range
Figure 3. MPC93R52 Default Configuration
Figure 5. MPC93R52 Default Configuration
QA outputs
QB outputs
QC outputs
QA outputs
QB outputs
QC outputs
Input
Input
CCLK
FB_IN
FSELA
FSELB
FSELD
F_RANGE
100 MHz (Feedback)
CCLK
FB_IN
FSELA
FSELB
FSELC
F_RANGE
33.3 MHz (Feedback)
MPC93R52
MPC93R52
100 MHz
100 MHz
50 MHz
50 MHz
50 MHz
25 MHz
50 MHz
50 MHz
Min
Min
QA0
QA1
QA2
QA3
QA4
QB0
QB1
QB2
QB3
QC0
QC1
QC0
QC1
QA0
QA1
QA2
QA3
QA4
QB0
QB1
QB2
QB3
120 MHz
120 MHz
120 MHz
240 MHz
120 MHz
120 MHz
240 MHz
60 MHz
Max
Max
100 MHz
100 MHz
200 MHz
100 MHz
33.3 MHz
50 MHz
7
Figure 4. MPC93R52 Zero Delay Buffer Configuration
fref = 62.5 MHz
fref = 33.3 MHz
MPC93R52 zero–delay (feedback of QB0 = 62.5 MHz).
All control pins are left open except FSELC = 1. All out-
puts are locked in frequency and phase to the input clock.
MPC93R52 zero–delay (feedback of QB0 = 33.3 MHz).
Equivalent to Table 2 except F_RANGE = 1 enabling a
lower input and output clock frequency.
Figure 6. MPC93R52 Zero Delay Buffer Config. 2
VCC
VCC
VCC
Frequency range
Frequency range
QA outputs
QB outputs
QC outputs
QC outputs
QA outputs
QB outputs
Input
Input
CCLK
FB_IN
FSELA
FSELB
FSELC
F_RANGE
CCLK
FB_IN
FSELA
FSELB
FSELC
F_RANGE
62.5 MHz (Feedback)
33.3 MHz (Feedback)
MPC93R52
MPC93R52
50 MHz
50 MHz
50 MHz
50 MHz
25 MHz
25 MHz
25 MHz
25 MHz
Min
Min
QC0
QC1
QC0
QC1
QA0
QA1
QA2
QA3
QA4
QB0
QB1
QB2
QB3
QA0
QA1
QA2
QA3
QA4
QB0
QB1
QB2
QB3
120 MHz
120 MHz
120 MHz
120 MHz
60 MHz
60 MHz
60 MHz
60 MHz
MPC93R52
Max
Max
62.5 MHz
33.3 MHz
MOTOROLA
62.5 MHz
62.5 MHz
33.3 MHz
33.3 MHz