“CROSSBOW” 32 X 32 800 MBIT/S CROSSPOINT SWITCH
S2024
Table 1. Synchronous Mode Timing
Symbol
Description
S2024B-8
Min Max
Setup time of DIN0–31 before falling edge of MDCLK/N 1160
S2024B-6
Min
980
770
Max Units
tSUDI
ps
ps
tHDI
Hold time of DIN0–31 after falling edge of MDCLK/N
Overlap when MDCLK/N and SDCLK/N are high
1220
tOVRL
1860
1760
2770
ps
ps
ps
ps
Setup time of XDIN0–31 before falling edge of
SDCLK/N
tSUXDI
tHXDI
1160
1400
1040
680
Hold time of DIN0–31 after falling edge of SDCLK/N
Propagation delay from rising edge of SDCLK/N to
DOUT0–31
tSCKDO
3400
400
MCMPWH
MCMPWL
FMAX
Pulse width high of MDCLK/N or SDCLK/N
Pulse width low of MDCLK/N or SDCLK/N
Data Rate
630
500
790
660
ps
ps
300 Mbit/s
Table 2. Transparent Mode Timing
Symbol
Description
S2024B-8
S2024B-6
Min
Max
4180
3040
Min
Max Units
tDIDO
tXIDO
Propagation delay from DIN0–31 to DOUT0–31
Propagation delay from XIN0–31 to DOUT0–31
5125
3400
ps
ps
Propagation delay from rising edge of CNFGSTB to
DOUT0–31 valid
tCFDO
3760
4150
ps
DIMPW
XIMPW
FMAX
Pulse width high of DIN0–31
Pulse width high of XDIN0–31
Data Rate
860
910
1030
1090
ps
ps
800
600 Mbit/s
3
June 15, 1999 / Revision B