Arria® V Device Datasheet

ID 683022
Date 5/23/2023
Public
Document Table of Contents

1.2.4.7. Ethernet Media Access Controller (EMAC) Timing Characteristics

Table 56.  Reduced Gigabit Media Independent Interface (RGMII) TX Timing Requirements for Arria® V Devices
Symbol Description Min Typ Max Unit
Tclk (1000Base-T) TX_CLK clock period 8 ns
Tclk (100Base-T) TX_CLK clock period 40 ns
Tclk (10Base-T) TX_CLK clock period 400 ns
Tdutycycle TX_CLK duty cycle 45 55 %
Td TX_CLK to TXD/TX_CTL output data delay –0.85 0.15 ns
Figure 14. RGMII TX Timing Diagram


Table 57.  RGMII RX Timing Requirements for Arria® V Devices
Symbol Description Min Typ Unit
Tclk (1000Base-T) RX_CLK clock period 8 ns
Tclk (100Base-T) RX_CLK clock period 40 ns
Tclk (10Base-T) RX_CLK clock period 400 ns
Tsu RX_D/RX_CTL setup time 1 ns
Th RX_D/RX_CTL hold time 1 ns
Figure 15. RGMII RX Timing Diagram


Table 58.  Management Data Input/Output (MDIO) Timing Requirements for Arria® V Devices
Symbol Description Min Typ Max Unit
Tclk MDC clock period 400 ns
Td MDC to MDIO output data delay 10 20 ns
Ts Setup time for MDIO data 10 ns
Th Hold time for MDIO data 0 ns
Figure 16. MDIO Timing Diagram