Altera Corporation
59
FLEX 10KE Embedded Programmable Logic Family Data Sheet
Table 28. Interconnect Timing Microparameters
Symbol
Parameter
Conditions
tSAMELAB
Routing delay for an LE driving another LE in the same LAB
tSAMEROW
Routing delay for a row IOE, LE, or EAB driving a row IOE, LE, or EAB in the
same row
tSAMECOLUMN
Routing delay for an LE driving an IOE in the same column
tDIFFROW
Routing delay for a column IOE, LE, or EAB driving an LE or EAB in a
different row
tTWOROWS
Routing delay for a row IOE or EAB driving an LE or EAB in a different row
tLEPERIPH
Routing delay for an LE driving a control signal of an IOE via the peripheral
control bus
tLABCARRY
Routing delay for the carry-out signal of an LE driving the carry-in signal of
a different LE in a different LAB
tLABCASC
Routing delay for the cascade-out signal of an LE driving the cascade-in
signal of a different LE in a different LAB
tDIN2IOE
Delay from dedicated input pin to IOE control input
tDIN2LE
Delay from dedicated input pin to LE or EAB control input
tDCLK2IOE
Delay from dedicated clock pin to IOE clock
tDCLK2LE
Delay from dedicated clock pin to LE or EAB clock
tDIN2DATA
Delay from dedicated input or clock to LE or EAB data
Table 29. External Timing Parameters
Symbol
Parameter
Conditions
tDRR
Register-to-register delay via four LEs, three row interconnects, and
four local interconnects
tINSU
Setup time with global clock at IOE register
tINH
Hold time with global clock at IOE register
tOUTCO
Clock-to-output delay with global clock at IOE register
tPCISU
Setup time with global clock for registers used in PCI designs
tPCIH
Hold time with global clock for registers used in PCI designs
tPCICO
Clock-to-output delay with global clock for registers used in PCI
designs