Artix-7 FPGAs Data Sheet: DC and AC Switching Characteristics
Table 31: DSP48E1 Switching Characteristics (Cont’d)
Speed Grade
1.0V
Symbol
Description
0.95V 0.9V Units
-3
-2/-2LE
-1
-1Q/-1M -1LI
-2LE
Setup and Hold Times of the RST Pins
TDSPDCK_{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
ns
ns
ns
ns
TDSPCKD_{RSTA; RSTB}_{AREG; BREG}
TDSPDCK_RSTC_CREG
/
/
RSTC input to C register CLK
RSTD input to D register CLK
RSTM input to M register CLK
RSTP input to P 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
TDSPCKD_RSTC_CREG
TDSPDCK_RSTD_DREG
TDSPCKD_RSTD_DREG
0.44/
0.07
0.50/
0.08
0.59/
0.09
0.59/
0.09
0.59/
0.09
0.67/
0.08
TDSPDCK_RSTM_MREG
/
0.21/
0.22
0.23/
0.24
0.27/
0.28
0.27/
0.28
0.27/
0.28
0.28/
0.35
TDSPCKD_RSTM_MREG
TDSPDCK_RSTP_PREG
/
0.27/
0.01
0.30/
0.01
0.35/
0.01
0.35/
0.03
0.35/
0.01
0.43/
0.00
TDSPCKD_RSTP_PREG
Combinatorial Delays from Input Pins to Output Pins
TDSPDO_A_CARRYOUT_MULT
TDSPDO_D_P_MULT
TDSPDO_B_P
A input to CARRYOUT output
using multiplier
3.79
3.72
1.53
1.33
4.35
4.26
1.75
1.53
5.18
5.07
2.08
1.82
5.18
5.07
2.08
1.82
5.18
5.07
2.08
1.82
6.61
6.41
2.48
2.22
ns
ns
ns
ns
D input to P output using
multiplier
B input to P output not using
multiplier
TDSPDO_C_P
C input to P output
Combinatorial Delays from Input Pins to Cascading Output Pins
TDSPDO_{A; B}_{ACOUT; BCOUT}
{A, B}inputto{ACOUT, BCOUT} 0.55
output
0.63
4.65
0.74
5.54
0.74
5.54
0.74
5.54
0.87
7.03
ns
ns
TDSPDO_{A, B}_CARRYCASCOUT_MULT {A, B} input to
CARRYCASCOUT output using
4.06
multiplier
TDSPDO_D_CARRYCASCOUT_MULT
TDSPDO_{A, B}_CARRYCASCOUT
D input to CARRYCASCOUT
output using multiplier
3.97
1.77
4.54
2.03
5.40
2.41
5.40
2.41
5.40
2.41
6.81
2.88
ns
ns
{A, B} input to
CARRYCASCOUT output not
using multiplier
TDSPDO_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
TDSPDO_ACIN_P_MULT
ACIN input to P output using
multiplier
3.65
1.37
4.19
1.57
5.00
1.88
5.00
1.88
5.00
1.88
6.40
2.44
ns
ns
TDSPDO_ACIN_P
ACIN input to P output not using
multiplier
TDSPDO_ACIN_ACOUT
ACIN input to ACOUT output
0.38
3.90
0.44
4.47
0.53
5.33
0.53
5.33
0.53
5.33
0.63
6.79
ns
ns
TDSPDO_ACIN_CARRYCASCOUT_MULT
ACIN input to
CARRYCASCOUT output using
multiplier
TDSPDO_ACIN_CARRYCASCOUT
ACIN input to
CARRYCASCOUT output not
using multiplier
1.61
1.85
2.21
2.21
2.21
2.84
ns
TDSPDO_PCIN_P
PCIN input to P output
1.11
1.36
1.28
1.56
1.52
1.85
1.52
1.85
1.52
1.85
1.82
2.21
ns
ns
TDSPDO_PCIN_CARRYCASCOUT
PCIN input to
CARRYCASCOUT output
DS181 (v1.25) June 18, 2018
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Product Specification
34
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