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ATF1508RE Datasheet(PDF) 21 Page - ATMEL Corporation |
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ATF1508RE Datasheet(HTML) 21 Page - ATMEL Corporation |
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21 / 31 page ![]() 21 3682A–PLD–10/08 ATF1508RE Note: 1. See ordering information for valid part numbers. 2. SSTL is not supported for low drive output (LD). t ZX1 Output Buffer Enable Delay (High Drive; C L = 35 pF) V CCIO = 1.5V V CCIO = 1.8V VCCIO = 2.5V VCCIO = 3.3V 5.0 4.5 3.5 3.0 6.0 5.5 4.5 4.0 ns tZX2 Output Buffer Enable Delay (Low Drive; CL = 35 pF) VCCIO = 1.5V VCCIO = 1.8V V CCIO = 2.5V VCCIO = 3.3V 6.0 5.5 4.5 4.0 7.0 6.5 5.5 5.0 ns t XZ Output Buffer Disable Delay (C L = 5 pF) 4 4 ns tSUI Register Setup Time 1.7 2.2 ns tHI Register Hold Time 0.5 0.6 ns t FSUI Register Setup Time of Fast Input 0.5 0.6 ns tFHI Register Hold Time of Fast Input 0.5 0.6 ns tRD Register Delay 0.7 1.2 ns t COMB Combinatorial Delay 1.2 1.2 ns tIC Array Clock Delay 1.8 1.8 ns tEN Register Enable Time 2.5 3 ns t GLOB Global Control Delay 1.8 2 ns tPRE Register Preset Time 1.75 2 ns t CLR Register Clear Time 1.75 2 ns t UIM Switch Matrix Delay 0.5 0.8 ns tSCH Schmitt Trigger Added Delay 1.5 2 ns t SSO Output Added Delay for V CCIO Level (LD) V CCIO = 1.5V VCCIO = 1.8V V CCIO = 2.5V V CCIO = 3.3V 6.5 5.5 5.25 5 8.5 7.5 7.25 7 ns SSTL2-1_IAD(2) SSTL3-1_IAD(2) SSTL Input Delay Adder (HD) V CCIO = 2.5V V CCIO = 3.3V 1.5 1.5 1.5 1.5 ns SSTL2-1_OAD(2) SSTL3-1_OAD(2) SSTL Output Delay Adder (HD) V CCIO = 2.5V V CCIO = 3.3V 1 1 1 1 ns Table 11-1. AC Characteristics (Continued) (1) Symbol Parameter -5 -7 Units Min Max Min Max |
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