Virtex-5 FPGA Data Sheet: DC and Switching Characteristics
DS202 (v5.3) May 5, 2010
Product Specification
50
TDSPDO_{PCINPCOUT, CRYCINPCOUT,
MULTSIGNINPCOUT, PCINCRYCOUT,
CRYCINCRYCOUT, MULTSIGNINCRYCOUT,
PCINMULTSIGNOUT, CRYCINMULTSIGNOUT,
MULTSIGNINMULTSIGNOUT}
{PCIN, CARRYCASCIN, MULTSIGNIN}
input to {PCOUT, CARRYCASCOUT,
MULTSIGNOUT} output
1.43
1.60
2.02
ns
Clock to Outs from Output Register Clock to Output Pins
TDSPCKO_{PP, CRYOUTP}
CLK (PREG) to {P, CARRYOUT} output
0.45
0.48
0.56
ns
TDSPCKO_{CRYCOUTP, PCOUTP, MULTSIGNOUTP}
CLK (PREG) to {CARRYCASCOUT,
PCOUT, MULTSIGNOUT} output
0.48
0.53
0.62
ns
Clock to Outs from Pipeline Register Clock to Output Pins
TDSPCKO_{PM, CRYOUTM}
CLK (MREG) to {P, CARRYOUT} output
1.81
2.10
2.47
ns
TDSPCKO_{PCOUTM, CRYCOUTM,
MULTSIGNOUTM}
CLK (MREG) to {PCOUT,
CARRYCASCOUT, MULTSIGNOUT}
output
1.91
2.13
2.66
ns
Clock to Outs from Input Register Clock to Output Pins
TDSPCKO_{PA, CRYOUTA, PB, CRYOUTB}_M
CLK (AREG, BREG) to {P, CARRYOUT}
output using multiplier
3.09
3.57
4.23
ns
TDSPCKO_{PA, CRYOUTA, PB, CRYOUTB}_NM
CLK (AREG, BREG) to {P, CARRYOUT}
output not using multiplier
1.90
2.11
2.63
ns
TDSPCKO_{PC, CRYOUTC}
CLK (CREG) to {P, CARRYOUT} output
1.89
2.11
2.62
ns
Clock to Outs from Input Register Clock to Cascading Output Pins
TDSPCKO_{ACOUTA, BCOUTB}
CLK (AREG, BREG) to {ACOUT,
BCOUT}
0.61
0.68
0.79
ns
TDSPCKO_{PCOUTA, CRYCOUTA, MULTSIGNOUTA,
PCOUTB, CRYCOUTB, MULTSIGNOUTB}_M
CLK (AREG, BREG) to {PCOUT,
CARRYCASCOUT, MULTSIGNOUT}
output using multiplier
3.09
3.57
4.23
ns
TDSPCKO_{PCOUTA, CRYCOUTA, MULTSIGNOUTA,
PCOUTB, CRYCOUTB, MULTSIGNOUTB}_NM
CLK (AREG, BREG) to {PCOUT,
CARRYCASCOUT, MULTSIGNOUT}
output not using multiplier
2.03
2.27
2.82
ns
TDSPCKO_{PCOUTC, CRYCOUTC, MULTSIGNOUTC}
CLK (CREG) to {PCOUT,
CARRYCASCOUT, MULTSIGNOUT}
output
2.03
2.26
2.82
ns
Maximum Frequency
FMAX
With all registers used
550
500
450
MHz
FMAX_PATDET
With pattern detector
515
465
410
MHz
FMAX_MULT_NOMREG
Two register multiply without MREG
374
324
275
MHz
FMAX_MULT_NOMREG_PATDET
Two register multiply without MREG with
pattern detect
345
300
254
MHz
Table 69: DSP48E Switching Characteristics (Cont’d)
Symbol
Description
Speed
Units
-3
-2
-1