Microchip MPF050TL handleiding
Handleiding
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AC Switching Characteriscs
Data Sheet
© 2024 Microchip Technology Inc. and its subsidiaries
DS00003831E - 53
5.4.2 Transceiver Reference Clock Performance
The following table describes performance of the transceiver reference clock.
–STD speed grade is oered for Extended Commercial (E), Industrial (I), Military (M), and Automotive
(T2) temperature grades.
–1 speed grade is oered for Extended Commercial (E), Industrial (I), and Automotive (T2)
temperature grades only.
Table 5-36. PolarFire Transceiver Reference Clock AC Requirements
Parameter Symbol STD Min STD Typ STD Max –1 Min –1 Typ –1 Max Unit
Reference clock
input rate
1, 2
F
TXREFCLK
20 — 400 20 — 400 MHz
Reference clock
input rate
1, 2, 3
F
XCVRREFCLKMAX
CASCADE
20 — 156.3 20 — 156.3 MHz
Reference clock
rate at the Tx
PLL PFD
4
F
TXREFCLKPFD
20 — 156.3 20 — 175 MHz
Reference clock
rate
recommended
at the PFD for Tx
rates 10 Gbps
and above
4
F
TXREFCLKPFD10G
75 — 156.3 75 — 175 MHz
Tx reference
clock phase
noise
requirements to
meet jitter
specications
(156 MHz clock
at reference
clock input)
5
F
TXREFPN
— — –110 — –110 dBc/Hz
Phase noise at
10 KHz
F
TXREFPN
— — –110 — — –110 dBc/Hz
Phase noise at
100 KHz
F
TXREFPN
— — –115 — — –115 dBc/Hz
Phase noise at 1
MHz
F
TXREFPN
— — –135 — — –135 dBc/Hz
Reference clock
input rise time
(10%–90%)
8
T
REFRISE
— 200 500 — 200 500 ps
Reference clock
input fall time
(90%–10%)
8
T
REFFALL
— 200 500 — 200 500 ps
Reference clock
rate at RX CDR
F
RXREFCLKCDR
20 — 156.3 20 — 156.3 MHz
Reference clock
duty cycle
T
REFDUTY
40 — 60 40 — 60 %
Spread
spectrum
modulation
spread
6
Mod_Spread 0.1 — 3.1 0.1 — 3.1 %
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Productinformatie
| Merk | Microchip |
| Model | MPF050TL |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 18409 MB |
