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EP1C3 Datasheet(PDF) 30 Page - Altera Corporation |
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EP1C3 Datasheet(HTML) 30 Page - Altera Corporation |
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30 / 34 page  1–30 Chapter 1: Enhanced Configuration Devices (EPC4, EPC8, and EPC16) Data Sheet Operating Conditions Configuration Handbook (Complete Two-Volume Set) © December 2009 Altera Corporation Operating Conditions Table 1–15 through Table 1–19 provide information about absolute maximum ratings, recommended operating conditions, DC operating conditions, supply current values, and pin capacitance data for the enhanced configuration devices. tLOE OE assert time to assure reset — 60 — — ns fECLK EXCLK input frequency 40% duty cycle — — 100 MHz tECLK EXCLK input period — 10 — — ns tECLKH EXCLK input duty cycle high time 40% duty cycle 4 — — ns tECLKL EXCLK input duty cycle low time 40% duty cycle 4 — — ns tECLKR EXCLK input rise time 100 MHz — — 3 ns tECLKF EXCLK input fall time 100 MHz — — 3 ns tPOR (4) POR time 2 ms 1 2 3 ms 100 ms 70 100 120 ms Notes to Table 1–14: (1) To calculate tOH, use the following equation: tOH = 0.5 (DCLK period) - 2.5 ns. (2) This parameter is used for CRC error detection by the FPGA. (3) This parameter is used for CONF_DONE error detection by the enhanced configuration device. (4) The FPGA VCCINT ramp time should be less than 1-ms for 2-ms POR, and it should be less than 70 ms for 100-ms POR. Table 1–14. Enhanced Configuration Device Configuration Parameters (Part 2 of 2) Symbol Parameter Condition Min Typ Max Unit Table 1–15. Enhanced Configuration Device Absolute Maximum Rating Symbol Parameter Condition Min Max Unit VCC Supply voltage With respect to ground -0.2 4.6 V VI DC input voltage With respect to ground -0.5 3.6 V IMAX DC VCC or ground current — — 100 mA IOUT DC output current, per pin — -25 25 mA PD Power dissipation — — 360 mW TSTG Storage temperature No bias -65 150 C TAMB Ambient temperature Under bias -65 135 C TJ Junction temperature Under bias — 135 C Table 1–16. Enhanced Configuration Device Recommended Operating Conditions Symbol Parameter Condition Min Max Unit VCC Supplies voltage for 3.3-V operation — 3.0 3.6 V VI Input voltage With respect to ground –0.3 VCC + 0.3 V VO Output voltage — 0 VCC V TA Operating temperature For commercial use 0 70 C For industrial use –40 85 C TR Input rise time — — 20 ns TF Input fall time — — 20 ns |
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