Microchip MPF050TL handleiding

102 pagina's
PDF beschikbaar

Handleiding

Je bekijkt pagina 59 van 102
AC Switching Characteriscs
Data Sheet
© 2024 Microchip Technology Inc. and its subsidiaries
DS00003831E - 59
...........continued
Parameter Symbol Min Typ Max Unit Condition
Total jitter
5, 6, 13
Deterministic jitter
5, 6
T
J
T
DJ
0.25
0.09
UI
UI
Data rate ≥5.0 Gbps to 8.5 Gbps
(Tx V
CO
rate 2.5 GHz to 4.25 GHz)
TxPLL in fractional mode
Total jitter
5, 6, 13
Deterministic jitter
5, 6
T
J
T
DJ
0.17
0.03
UI
UI
Data rate ≥1.6 Gbps to 5.0 Gbps
(Tx V
CO
rate 1.6 GHz to 2.5 GHz)
TxPLL in integer mode
Total jitter
5, 6, 13
Deterministic jitter
5, 6
T
J
T
DJ
0.2
0.03
UI
UI
Data rate ≥1.6 Gbps to 5.0 Gbps
(Tx V
CO
rate 1.6 GHz to 2.5 GHz)
TxPLL in fractional mode
Total jitter
5, 6, 13
Deterministic jitter
5, 6
T
J
T
DJ
0.08
0.02
UI
UI
Data rate ≥ 800 Mbps to 1.6
Gbps (Tx V
CO
rate 1.6 GHz)
TxPLL in integer mode
Total jitter
5, 6, 13
Deterministic jitter
5, 6
T
J
T
DJ
0.11
0.02
UI
UI
Data rate ≥ 800 Mbps to 1.6
Gbps (Tx V
CO
rate 1.6 GHz)
TxPLL in fractional mode
Total jitter
5, 6, 13
Deterministic jitter
5, 6
T
J
T
DJ
0.05
0.01
UI
UI
Data rate = 250 Mbps to 800
Mbps (Tx V
CO
rate 1.48 GHz to
1.6 GHz)
TxPLL in integer mode
Total jitter
5, 6, 13
Deterministic jitter
5, 6
T
J
T
DJ
0.06
0.01
UI
UI
Data rate = 250 Mbps to 800
Mbps (Tx V
CO
rate 1.48 GHz to
1.6 GHz)
TxPLL in fractional mode
1. Increased DC Common mode settings above 50% reduce allowed V
OD
output swing capabilities.
2. Adjustable through transmit emphasis.
3. With estimated package dierences.
4. Single PLL applies to all four lanes in the same quad location with the same TxPLL. Multiple PLL
applies to N lanes using multiple TxPLLs from dierent quad locations.
5. Improved jitter characteristics for a specic industry standard are possible in many cases due to
improved reference clock or higher V
CO
rate used.
6. Tx jitter is specied with all transmitters on the device enabled, a 10
–12
-bit error rate (BER) and Tx
data pattern of PRBS7.
7. From the PMA mode, the TX_ELEC_IDLE port to the XVCR TXP/N pins.
8. FTxRefClk = 75 MHz with typical settings.
9. For data rates greater than 10.3125 Gbps, V
DDA
must be set to 1.05V mode. See supply tolerance
in the section Recommended Operating Conditions.
10. Transmit alignment in this case will automatically align upon the Tx PLL obtaining lock. For
details on transmit alignment, see PolarFire Family Transceiver User Guide.
11. In order to obtain the required alignment for these congurations, an FPGA fabric Tx alignment
circuit must be implemented. For details on transmit alignment, see PolarFire Family Transceiver
User Guide.
12. Refclk skew is the amount of skew between the reference clocks of the two PLL.
13. Jitter decomposition can be found in the protocol characterization reports.
14. Tx total jitter (Tj) is quoted for reference clock rise and fall times as specied in Table 5-36. If
increased Tj is acceptable, the maximum reference clock input rise/fall times may be increased

Bekijk gratis de handleiding van Microchip MPF050TL, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.

Productinformatie

MerkMicrochip
ModelMPF050TL
CategorieNiet gecategoriseerd
TaalNederlands
Grootte18409 MB