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Kintex-7 FPGAs Data Sheet: DC and Switching Characteristics
DS182 (v1.1) April 1, 2011
Advance Product Specification
33
CLB Shift Register Switching Characteristics (SLICEM Only)
Block RAM and FIFO Switching Characteristics
Table 37: CLB Shift Register Switching Characteristics
Symbol
Description
Speed Grade
Units
-3
-2
-1
-1L
Sequential Delays
TREG
Clock to A – D outputs
1.18
1.39
1.69
ns, Max
TREG_MUX
Clock to AMUX – DMUX output
1.45
1.68
2.04
ns, Max
TREG_M31
Clock to DMUX output via M31 output
1.16
1.36
1.66
ns, Max
Setup and Hold Times Before/After Clock CLK
TWS_SHFREG/
TWH_SHFREG
WE input
0.04/
0.03
0.06/
0.03
0.08/
0.03
ns, Min
TCECK_SHFREG/
TCKCE_SHFREG
CE input to CLK
0.05/
0.02
0.07/
0.02
0.09/
0.02
ns, Min
TDS_SHFREG/
TDH_SHFREG
A – D inputs to CLK
0.66/
0.21
0.78/
0.24
0.97/
0.28
ns, Min
Clock CLK
TMPW_SHFREG
Minimum pulse width
0.66
0.77
0.93
ns, Min
Notes:
1.
A Zero “0” Hold Time listing indicates no hold time or a negative hold time. Negative values cannot be guaranteed “best-case”, but if a “0” is
listed, there is no positive hold time.
Table 38: Block RAM and FIFO Switching Characteristics
Symbol
Description
Speed Grade
Units
-3
-2
-1
-1L
Block RAM and FIFO Clock-to-Out Delays
TRCKO_DO and
Clock CLK to DOUT output (without output
1.83
2.03
2.34
ns, Max
Clock CLK to DOUT output (with output
0.56
0.62
0.71
ns, Max
TRCKO_DO_ECC and
TRCKO_DO_ECC_REG
Clock CLK to DOUT output with ECC
2.38
2.74
3.27
ns, Max
Clock CLK to DOUT output with ECC (with
0.58
0.65
0.76
ns, Max
TRCKO_DO_CASCOUT and
TRCKO_DO_CASCOUT_REG
Clock CLK to DOUT output with Cascade
2.18
2.46
2.88
ns, Max
Clock CLK to DOUT output with Cascade
(with output register)
(4)1.01
1.12
1.29
ns, Max
TRCKO_FLAGS
Clock CLK to FIFO flags outputs
(6)0.69
0.75
0.84
ns, Max
TRCKO_POINTERS
Clock CLK to FIFO pointers outpu
ts(7)0.79
0.86
0.97
ns, Max
TRCKO_PARITY_ECC
Clock CLK to ECCPARITY in ECC encode
only mode
0.66
0.72
0.81
ns, Max
TRCKO_SDBIT_ECC and
TRCKO_SDBIT_ECC_REG
Clock CLK to BITERR (without output
register)
2.20
2.53
3.03
ns, Max
Clock CLK to BITERR (with output
register)
0.54
0.60
0.70
ns, Max