參數(shù)資料
型號(hào): XC7K420T-3FFG901C
廠商: XILINX INC
元件分類: FPGA
英文描述: FPGA, PBGA900
封裝: LEAD FREE, FBGA-900
文件頁數(shù): 27/50頁
文件大小: 1218K
代理商: XC7K420T-3FFG901C
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
TRCKO_DO_REG(1)
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
(without output register)(2)(3)
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
(without output register)(2)
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 outputs(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
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