TDM Factor Settings for Clock Modes - 2.3 English

Ternary CAM Search LogiCORE IP Product Guide (PG318)

Document ID
PG318
Release Date
2022-05-25
Version
2.3 English
Table 1. TDM Factor Settings for Clock Modes
TDM Factor LOOKUP RATE [Mlps] LOOKUP INTERFACE FREQ [MHz] RAM CLOCK [MHz] CLOCKING MODE
32 Up to 18.75 Minimum 32xLOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
32 Up to 18.75 Minimum LOOKUP_RATE Minimum 32xLOOKUP_RATE DUAL CLOCK
16 Up to 37.5 Minimum 16xLOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
16 Up to 37.5 Minimum LOOKUP_RATE Minimum 16xLOOKUP_RATE DUAL CLOCK
8 Up to 75 Minimum 8xLOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
8 Up to 75 Minimum LOOKUP_RATE Minimum 8xLOOKUP_RATE DUAL CLOCK
4 Up to 150 Minimum 4xLOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
4 Up to 150 Minimum LOOKUP_RATE Minimum 4xLOOKUP_RATE DUAL CLOCK
2 Up to 300 Minimum 2xLOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
2 Up to 300 Minimum LOOKUP_RATE Minimum 2xLOOKUP_RATE DUAL CLOCK
1 Up to 600 Minimum LOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
Note: Dual clock mode is recommended for lookup rates up to 300 Mlps.