Configuration Handbook - Kamami.pl

Configuring Stratix II & Stratix II GX DevicesTable 7–9. FPP Timing Parameters for Stratix II & Stratix II GX Devices (Part 2 of 2) Notes (1), (2)Symbol Parameter Min Max Unitst DSU Data setup time before rising edge on DCLK 5 nst DH Data hold time after rising edge on DCLK 0 nst CH DCLK high time 4 nst CL DCLK low time 4 nst CLK DCLK period 10 nsf MAX DCLK frequency 100 MHzt R Input rise time 40 nst F Input fall time 40 nst CD2UM CONF_DONE high to user mode (4) 20 100 µst CD2CU CONF_DONE high to CLKUSR enabled 4 × maximumDCLK periodt CD2UMCCONF_DONE high to user mode withCLKUSR option ont CD2CU +(299 ×CLKUSR period)Notes to Table 7–9:(1) This information is preliminary.(2) These timing parameters should be used when the decompression and design security feature are not used.(3) This value is obtainable if users do not delay configuration by extending the nCONFIG or nSTATUS low pulsewidth.(4) The minimum and maximum numbers apply only if the internal oscillator is chosen as the clock source for startingup the device.Altera Corporation 7–23May 2007 Stratix II Device Handbook, Volume 2