Latency - 2.6 English

1G/10G/25G Switching Ethernet Subsystem Product Guide (PG292)

Document ID: PG292
Release Date: 2021-02-05
Version: 2.6 English

The following table provides the measured low latency information for the 1G/10G/25G Ethernet Subsystem.

Table 1. Latency
Core	Core Configuration	Latency (ns)	User Bus Width (bits)	Core Clock Frequency (MHz)
32-bit MAC + PCS/PMA	10G mode TX latency	28.8	32	312.5
	1G mode TX latency	632	32	125
	10G mode RX latency	25.6	32	312.5
	1G mode TX latency	304	32	125
64-bit MAC + PCS/PMA	25G mode TX latency	77	64	390.625
	10G mode TX latency	192	64	156.25
	1G mode TX latency	864	64	125
	25G mode RX latency	113	64	390.625
	10G mode RX latency	281	64	156.25
	1G mode RX latency	568	64	125
32-bit PCS/PMA	10G mode TX latency	19.2	32	312.5
	1G mode TX latency	80	8	125
	10G mode RX latency	19.2	32	312.5
	1G mode RX latency	88	8	125