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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PSD4235G2V-10UI датащи(PDF) 84 Page - STMicroelectronics |
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PSD4235G2V-10UI датащи(HTML) 84 Page - STMicroelectronics |
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84 / 100 page  PSD4256G6V 84/100 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. Figure 39. Input to Output Disable / Enable Table 61. CPLD Combinatorial Timing Table 62. CPLD Macrocell Synchronous Clock Mode Timing Note: 1. CLKIN (PD1) tCLCL = tCH + tCL. Symbol Parameter Conditions -10 PT Aloc Turbo Off Unit Min Max tPD CPLD Input Pin/Feedback to CPLD Combinatorial Output 38 + 4 + 20 ns tEA CPLD Input to CPLD Output Enable 43 + 20 ns tER CPLD Input to CPLD Output Disable 43 + 20 ns tARP CPLD Register Clear or Preset Delay 38 + 20 ns tARPW CPLD Register Clear or Preset Pulse Width 28 + 20 ns tARD CPLD Array Delay Any Macrocell 23 + 4 ns Symbol Parameter Conditions -10 PT Aloc Turbo Off Unit Min Max fMAX Maximum Frequency External Feedback 1/(tS+tCO) 22.7 MHz Maximum Frequency Internal Feedback (fCNT) 1/(tS+tCO–10) 29.4 MHz Maximum Frequency Pipelined Data 1/(tCH+tCL) 45.0 MHz tS Input Setup Time 18 + 4 + 20 ns tH Input Hold Time 0 ns tCH Clock High Time Clock Input 11 ns tCL Clock Low Time Clock Input 11 ns tCO Clock to Output Delay Clock Input 26 ns tARD CPLD Array Delay Any Macrocell 23 + 4 ns tMIN Minimum Clock Period 1 tCH+tCL 22 ns tER tEA INPUT INPUT TO OUTPUT ENABLE/DISABLE AI02863 |
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