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A32100DX датащи(PDF) 26 Page - Actel Corporation |
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A32100DX датащи(HTML) 26 Page - Actel Corporation |
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26 / 98 page ![]() 26 AC T 1 T i m i ng C har a c t e r i st i c s (continued) (W or s t - C as e M i l i t a r y Cond i t i o n s , V CC = 4.5 V, TJ = 1 25°C) ‘–1’ Speed ‘Std’ Speed Parameter Description Min. Max. Min. Max. Units Global Clock Network tCKH Input Low to High FO = 16 FO = 128 7.8 8.9 9.2 10.5 ns tCKL Input High to Low FO = 16 FO = 128 10.3 11.2 12.1 13.2 ns tPWH Minimum Pulse Width High FO = 16 FO = 128 10.4 10.9 12.2 12.9 ns tPWL Minimum Pulse Width Low FO = 16 FO = 128 10.4 10.9 12.2 12.9 ns tCKSW Maximum Skew FO = 16 FO = 128 1.9 2.9 2.2 3.4 ns tP Minimum Period FO = 16 FO = 128 21.7 23.2 25.6 27.3 ns fMAX Maximum Frequency FO = 16 FO = 128 46 44 40 37 MHz TTL Output Module Timing1 tDLH Data to Pad High 12.1 14.2 ns tDHL Data to Pad Low 13.8 16.3 ns tENZH Enable Pad Z to High 12.0 14.1 ns tENZL Enable Pad Z to Low 14.6 17.1 ns tENHZ Enable Pad High to Z 16.0 18.8 ns tENLZ Enable Pad Low to Z 14.5 17.0 ns dTLH Delta Low to High 0.09 0.11 ns/pF dTHL Delta High to Low 0.12 0.15 ns/pF CMOS Output Module Timing1 tDLH Data to Pad High 15.1 17.7 ns tDHL Data to Pad Low 11.5 13.6 ns tENZH Enable Pad Z to High 12.0 14.1 ns tENZL Enable Pad Z to Low 14.6 17.1 ns tENHZ Enable Pad High to Z 16.0 18.8 ns tENLZ Enable Pad Low to Z 14.5 17.0 ns dTLH Delta Low to High 0.16 0.18 ns/pF dTHL Delta High to Low 0.09 0.11 ns/pF Notes: 1. Delays based on 50 pF loading. 2. SSO information can be found in the Simultaneously Switching Output Limits for Actel FPGAs application note at http://www.actel.com/appnotes. |
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