Block RAM Switching Characteristics - Block RAM Switching Characteristics - DS958

Versal AI Edge Series Data Sheet: DC and AC Switching Characteristics (DS958)
Document ID
DS958
Release Date
2026-02-12
Revision
1.11 English
Table 1. Block RAM Switching Characteristics
Symbol Description Performance as a Function of Speed Grade and Operating Voltage (VCC_RAM) Units
0.88V (H) 0.80V (M) 0.80V (L) 1
-2 -2 -1 -2LLI -2LSE

-2LLE

 -1L
Maximum Frequency
FMAX_WF_NC Block RAM (WRITE_FIRST and NO_CHANGE modes) 1000 850 800 650 650 615 MHz
FMAX_RF Block RAM (READ_FIRST mode) 850 725 675 550 550 510 MHz
Block RAM Clock-to-Out Delays
TRCKO_DO Clock CLK to DOUT output (without output register) for XC devices 0.797 0.901 0.967 1.141 1.141 1.233 ns, Max
Clock CLK to DOUT output (without output register) for XA devices N/A N/A N/A N/A N/A 1.175 ns, Max
TRCKO_DO_REG Clock CLK to DOUT output (with output register) for XC devices 0.234 0.262 0.280 0.333 0.333 0.362 ns, Max
Clock CLK to DOUT output (with output register) for XA devices N/A N/A N/A N/A N/A 0.343 ns, Max
  1. The block RAM is power by the VCC_RAM supply that operates at 0.80V in low (L) voltage operation, see Table 1.