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DS692 Datasheet, PDF (24/41 Pages) Xilinx, Inc – Radiation-Hardened
Radiation-Hardened, Space-Grade Virtex-5QV FPGA Data Sheet: DC and AC Switching Characteristics
CLB Distributed RAM Switching Characteristics (SLICEM Only)
Table 38: CLB Distributed RAM Switching Characteristics
Symbol
Description
Value
Units
Sequential Delays
TSHCKO(2)
Clock to A – B outputs
TSHCKO_1
Clock to AMUX – BMUX outputs
Setup and Hold Times Before/After Clock CLK
1.99
ns, Max
2.16
ns, Max
TDS/TDH
TAS/TAH
TWS/TWH
TCECK/TCKCE
Clock CLK
A – D inputs to CLK
Address An inputs to clock
WE input to clock
CE input to CLK
1.35/0.25
0.54/0.26
0.46/–0.03
0.51/–0.07
ns, Min
ns, Min
ns, Min
ns, Min
TMPW
TMCP
Minimum pulse width
Minimum clock period
1.34
ns, Min
2.67
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.
2. TSHCKO also represents the CLK to XMUX output. Refer to TRACE report for the CLK to XMUX path.
CLB Shift Register Switching Characteristics (SLICEM Only)
Table 39: CLB Shift Register Switching Characteristics
Symbol
Description
Value
Units
Sequential Delays
TREG
Clock to A – D outputs
TREG_MUX
Clock to AMUX – DMUX output
TREG_M31
Clock to DMUX output via M31 output
Setup and Hold Times Before/After Clock CLK
2.58
ns, Max
2.74
ns, Max
2.01
ns, Max
TWS/TWH
TCECK/TCKCE
TDS/TDH
Clock CLK
WE input
CE input to CLK
A – D inputs to CLK
0.29/–0.03
0.33/–0.07
0.84/0.10
ns, Min
ns, Min
ns, Min
TMPW
Minimum pulse width
1.31
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.
DS692 (v1.3.1) January 16, 2015
Product Specification
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