TDM Factor Settings for Clock Modes - 3.0 English

Binary CAM Search v3.0 LogiCORE IP Product Guide (PG317)

Document ID
PG317
Release Date
2024-05-30
Version
3.0 English
The following table shows the difference in LOOKUP_INTERFACE_FREQ for SINGLE_CLOCK and DUAL_CLOCK modes.
Table 1. TDM Factor Settings for Clock Modes
TDM Factor Lookup Rate (Mlps) Lookup Interface Freq (MHz) RAM Clock (MHz) Clocking Mode
4 Up to 150 Minimum 4x LOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
4 Up to 150 Minimum LOOKUP_RATE Minimum 4x LOOKUP_RATE DUAL CLOCK
2 Up to 300 Minimum 2x LOOKUP_RATE LOOKUP_IF_FREQ SINGLE CLOCK
2 Up to 300 Minimum 2x LOOKUP_RATE Minimum 2x LOOKUP_RATE DUAL CLOCK
1 Up to 600 LOOKUP_IF_FREQ LOOKUP_IF_FREQ SINGLE CLOCK
Note: Dual clock mode is recommended for lookup rates up to 300 Mlps.