Datasheet

Artix-7 FPGAs Data Sheet: DC and AC Switching Characteristics
DS181 (v1.21) September 27, 2016 www.xilinx.com
Product Specification 33
Setup and Hold Times of the RST Pins
T
DSPDCK_{RSTA; RSTB}_{AREG; BREG}
/
T
DSPCKD_{RSTA; RSTB}_{AREG; BREG}
{RSTA, RSTB} input to {A, B}
register CLK
0.41/
0.11
0.46/
0.13
0.55/
0.15
0.55/
0.24
0.55/
0.15
0.63/
0.40
ns
T
DSPDCK_RSTC_CREG
/
T
DSPCKD_RSTC_CREG
RSTC input to C register CLK 0.07/
0.10
0.08/
0.11
0.09/
0.12
0.09/
0.25
0.09/
0.12
0.13/
0.11
ns
T
DSPDCK_RSTD_DREG
/
T
DSPCKD_RSTD_DREG
RSTD input to D register CLK 0.44/
0.07
0.50/
0.08
0.59/
0.09
0.59/
0.09
0.59/
0.09
0.67/
0.08
ns
T
DSPDCK_RSTM_MREG
/
T
DSPCKD_RSTM_MREG
RSTM input to M register CLK 0.21/
0.22
0.23/
0.24
0.27/
0.28
0.27/
0.28
0.27/
0.28
0.28/
0.35
ns
T
DSPDCK_RSTP_PREG
/
T
DSPCKD_RSTP_PREG
RSTP input to P register CLK 0.27/
0.01
0.30/
0.01
0.35/
0.01
0.35/
0.03
0.35/
0.01
0.43/
0.00
ns
Combinatorial Delays from Input Pins to Output Pins
T
DSPDO_A_CARRYOUT_MULT
A input to CARRYOUT output
using multiplier
3.79 4.35 5.18 5.18 5.18 6.61 ns
T
DSPDO_D_P_MULT
D input to P output using
multiplier
3.72 4.26 5.07 5.07 5.07 6.41 ns
T
DSPDO_B_P
B input to P output not using
multiplier
1.53 1.75 2.08 2.08 2.08 2.48 ns
T
DSPDO_C_P
C input to P output 1.33 1.53 1.82 1.82 1.82 2.22 ns
Combinatorial Delays from Input Pins to Cascading Output Pins
T
DSPDO_{A; B}_{ACOUT; BCOUT}
{A, B} input to {ACOUT, BCOUT}
output
0.55 0.63 0.74 0.74 0.74 0.87 ns
T
DSPDO_{A, B}_CARRYCASCOUT_MULT
{A, B} input to
CARRYCASCOUT output using
multiplier
4.06 4.65 5.54 5.54 5.54 7.03 ns
T
DSPDO_D_CARRYCASCOUT_MULT
D input to CARRYCASCOUT
output using multiplier
3.97 4.54 5.40 5.40 5.40 6.81 ns
T
DSPDO_{A, B}_CARRYCASCOUT
{A, B} input to
CARRYCASCOUT output not
using multiplier
1.77 2.03 2.41 2.41 2.41 2.88 ns
T
DSPDO_C_CARRYCASCOUT
C input to CARRYCASCOUT
output
1.58 1.81 2.15 2.15 2.15 2.62 ns
Combinatorial Delays from Cascading Input Pins to All Output Pins
T
DSPDO_ACIN_P_MULT
ACIN input to P output using
multiplier
3.65 4.19 5.00 5.00 5.00 6.40 ns
T
DSPDO_ACIN_P
ACIN input to P output not using
multiplier
1.37 1.57 1.88 1.88 1.88 2.44 ns
T
DSPDO_ACIN_ACOUT
ACIN input to ACOUT output 0.38 0.44 0.53 0.53 0.53 0.63 ns
T
DSPDO_ACIN_CARRYCASCOUT_MULT
ACIN input to
CARRYCASCOUT output using
multiplier
3.90 4.47 5.33 5.33 5.33 6.79 ns
T
DSPDO_ACIN_CARRYCASCOUT
ACIN input to
CARRYCASCOUT output not
using multiplier
1.61 1.85 2.21 2.21 2.21 2.84 ns
T
DSPDO_PCIN_P
PCIN input to P output 1.11 1.28 1.52 1.52 1.52 1.82 ns
T
DSPDO_PCIN_CARRYCASCOUT
PCIN input to
CARRYCASCOUT output
1.36 1.56 1.85 1.85 1.85 2.21 ns
Table 31: DSP48E1 Switching Characteristics (Cont’d)
Symbol Description
Speed Grade
Units1.0V 0.95V 0.9V
-3 -2/-2LE -1 -1Q/-1M -1LI -2LE