ep1sgx25d Altera Corporation, ep1sgx25d Datasheet - Page 228

• Manufacturer Part Number: ep1sgx25d
• Description: Stratix Gx Device Family Data Sheet
• Manufacturer: Altera Corporation

Timing Model
6–26
Stratix GX Device Handbook, Volume 1
Internal Timing Parameters
Internal timing parameters are specified on a speed grade basis
independent of device density.
Stratix GX device internal timing microparameters for LEs, IOEs,
TriMatrix
interconnects.
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SU
H
CO
LUT
CLR
PRE
CLKHL
SU
H
CO
PIN2COMBOUT_R
PIN2COMBOUT_C
COMBIN2PIN_R
COMBIN2PIN_C
CLR
PRE
CLKHL
Table 6–36. LE Internal Timing Microparameter Descriptions
Table 6–37. IOE Internal Timing Microparameter Descriptions
Symbol
Symbol
™
memory structures, DSP blocks, and MultiTrack
LE register setup time before clock
LE register hold time after clock
LE register clock-to-output delay
LE combinational LUT delay for data-in to data-out
Minimum clear pulse width
Minimum preset pulse width
Minimum clock high or low time
IOE input and output register setup time before clock
IOE input and output register hold time after clock
IOE input and output register clock-to-output delay
Row input pin to IOE combinational output
Column input pin to IOE combinational output
Row IOE data input to combinational output pin
Column IOE data input to combinational output pin
Minimum clear pulse width
Minimum preset pulse width
Minimum clock high or low time
Tables 6–36
Parameter
Parameter
through
6–42
Altera Corporation
describe the
June 2006