
Altera Corporation
61
FLEX 10K Embedded Programmable Logic Device Family Data Sheet
Table 34. EAB Timing Microparameters
Symbol
Parameter
Conditions
tEABDATA1
Data or address delay to EAB for combinatorial input
tEABDATA2
Data or address delay to EAB for registered input
tEABWE1
Write enable delay to EAB for combinatorial input
tEABWE2
Write enable delay to EAB for registered input
tEABCLK
EAB register clock delay
tEABCO
EAB register clock-to-output delay
tEABBYPASS
Bypass register delay
tEABSU
EAB register setup time before clock
tEABH
EAB register hold time after clock
tAA
Address access delay
tWP
Write pulse width
tWDSU
Data setup time before falling edge of write pulse
tWDH
Data hold time after falling edge of write pulse
tWASU
Address setup time before rising edge of write pulse
tWAH
Address hold time after falling edge of write pulse
tWO
Write enable to data output valid delay
tDD
Data-in to data-out valid delay
tEABOUT
Data-out delay
tEABCH
Clock high time
tEABCL
Clock low time