Agilex™ 7 FPGAs and SoCs Device Data Sheet: F-Series and I-Series

ID 683301
Date 12/06/2024
Public
Document Table of Contents

F-Tile Receiver Specifications

Table 70.  F-Tile FHT Receiver Electrical Specifications For specification status, see the Data Sheet Status table
Parameter Symbol Description Min Typical Max Unit
Receiver input eye specifications VRX-DIFF-PKPK Receiver input differential peak-to-peak voltage93 Closed eye 1,200 mVdiff-pkpk
VRX-CM-DC Receiver input DC common-mode voltage94 93 100 900 mV
VRX-MAX Receiver input maximum voltage93 1,200 mV
VRX-MIN Receiver input minimum voltage –200 mV
TRX-DDJ Receive input signal data dependent jitter (inter-symbol interference) 1 UIpkpk
TRX-RJ Receive input random jitter 0.15 UIpkpk
TRX-PJ Receive input periodic jitter (at high frequency) 0.05 UIpkpk
TRX-TJ Receive input total jitter (DDJ + RJ + PJ) UIpkpk
Equalizer specifications FPPM-OFFSET Tolerable data frequency offset –200 200 ppm
Receiver return loss ZRL-DIFF-DC Receiver differential DC return loss 10 dB
ZRL-DIFF-NYQ Receiver differential return loss at Nyquist frequency (FBAUD/2) 6 dB
ZRL-CM Receiver common-mode return loss below 10 GHz 6 dB
Receiver DC impedance RDIFF-DC DC differential receive impedance 80 100 120
RCM-DC DC common-mode receive impedance 20 25 30
Table 71.  F-Tile FGT Receiver Electrical Specifications For specification status, see the Data Sheet Status table
Parameter Symbol Description Min Typical Max Unit
Receiver input eye specifications VRX-DIFF-PKPK Receiver input differential peak-to-peak voltage95 Closed eye 1,200 mV
VRX-MAX Receiver input maximum voltage96 1 V
VRX-MIN Receiver input minimum voltage96 –0.3 V
VRX-CM-DC Receiver input DC common-mode voltage97 0 700 mV
TRX-RJ Receive input random jitter 0.15 UIpkpk
TRX-PJ Receive input periodic jitter (at high frequency) 0.05 UIpkpk
Insertion loss specifications IINS-LOSS-56Gb/s Insertion loss at 56 Gbps PAM42/BER <10–4 30 dB
IINS-LOSS-53Gb/s Insertion loss at 53 Gbps PAM42/BER <10–4 598 dB
IINS-LOSS-30Gb/s Insertion loss at 32 Gbps NRZ99 /BER <10–12 30 dB
IINS-LOSS-25Gb/s Insertion loss at 25.78125 Gbps NRZ99/ BER <10–12 30 dB
Receiver return loss ZRL-DIFF-DC Receiver differential DC return loss 12 dB
ZRL-DIFF-NYQ Receiver differential return loss at Nyquist frequency (FBAUD/2) 6 dB
ZRL-CM Receiver common-mode return loss below 10 GHz 6 dB
Receiver DC impedance RDIFF-DC DC differential receive impedance 65 85 102
80 100 120
RCM-DC DC common-mode receive impedance 20 25 30
Receiver signal detection100 VIDLE-THRESH Receiver signal detect input voltage threshold 75 120 175 mVdiff-pkpk
93 To support Hot Swap with FHT PMA’s, ensure the following:

For AC Coupled connections:

  • RX inputs have external AC coupling caps of at least 100nF.
  • The single-ended voltages applied to the RX_p and RX_n pins should not exceed ±300mV (for a total of 600mV p-p).
  • The total differential voltage (combination of RX_p/RX_n) should not exceed 1,200mV.
  • The FHT RX Analog Parameter selection for External AC cap must be EXTERNAL_AC_CAP_ENABLE.
For DC Coupled connections:
  • The maximum amount of time that the unpowered FHT RX PMA can be DC coupled to a link partner who is transmitting is 40 minutes. If you cannot meet this requirement, contact Altera Customer Support.
  • The single-ended voltages applied to the RX_p and RX_n pins should not exceed ±300mV (for a total of 600mV p-p).
  • The total differential voltage (combination of RX_p/RX_n) should not exceed 1,200mV.
  • The FHT RX Analog Parameter selection for External AC cap must be EXTERNAL_AC_CAP_DISABLE.
94 Referenced to RX GND. This specification is also supported before mode configuration.
95 This is supported when the receiver is powered and configured, powered and unconfigured, or unpowered.
96 VRX_MAX and VRX_MIN are before and after configuration.
97 The specified common-mode range is supported when the receiver is powered and configured, powered and unconfigured, or unpowered. This specification is also supported before mode configuration. If squelch detect is used, receiver DC input common-mode voltage should be within 200 mV to 300 mV. Otherwise, use AC coupling capacitors on board.
98 The minimum insertion loss specification assumes a PAM4 transmitter with 800 mVppd. For transmitters with output amplitude adjustment capabilities and can reduce output amplitude to below 800 mVppd, this minimum insertion loss can be further relaxed.
99 COM compliant package and channel.
100 Receiver signal detection values in this table are applicable to PCIe* and similar standards, such as SATA, where a clock pattern like PCIe* EIEOS 500 MHz clock pattern is used.