Transceiver Specifications for Cyclone V GX, GT, SX, and ST Devices
                                                    
                                                    
                                                
                                                    
                                                    
                                                        CTLE Response at Data Rates > 3.25 Gbps across Supported AC Gain and DC Gain
                                                    
                                                    
                                                
                                                    
                                                    
                                                        CTLE Response at Data Rates ≤ 3.25 Gbps across Supported AC Gain and DC Gain
                                                    
                                                    
                                                
                                                    
                                                    
                                                        Typical TX VOD Setting for Cyclone® V Transceiver Channels with termination of 100 Ω
                                                    
                                                    
                                                
                                                    
                                                    
                                                        Transmitter Pre-Emphasis Levels
                                                    
                                                    
                                                
                                                    
                                                    
                                                        Transceiver Compliance Specification
                                                    
                                                    
                                                
                                            
                                        
                                                
                                                
                                                    
                                                    
                                                        HPS Clock Performance
                                                    
                                                    
                                                
                                                    
                                                        HPS PLL Specifications
                                                    
                                                    
                                                    
                                                
                                                    
                                                    
                                                        Quad SPI Flash Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        SPI Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        SD/MMC Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        USB Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        Ethernet Media Access Controller (EMAC) Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        I2C Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        NAND Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        Arm* Trace Timing Characteristics
                                                    
                                                    
                                                
                                                    
                                                    
                                                        UART Interface
                                                    
                                                    
                                                
                                                    
                                                    
                                                        GPIO Interface
                                                    
                                                    
                                                
                                                    
                                                    
                                                        CAN Interface
                                                    
                                                    
                                                
                                                    
                                                    
                                                        HPS JTAG Timing Specifications
                                                    
                                                    
                                                
                                            
                                        
                                    
                                    
                                        
                                        
                                            POR Specifications
                                        
                                        
                                    
                                        
                                        
                                            FPGA JTAG Configuration Timing
                                        
                                        
                                    
                                        
                                            FPP Configuration Timing
                                        
                                        
                                        
                                    
                                        
                                        
                                            Active Serial (AS) Configuration Timing
                                        
                                        
                                    
                                        
                                        
                                            DCLK Frequency Specification in the AS Configuration Scheme
                                        
                                        
                                    
                                        
                                        
                                            Passive Serial (PS) Configuration Timing
                                        
                                        
                                    
                                        
                                        
                                            Initialization
                                        
                                        
                                    
                                        
                                        
                                            Configuration Files
                                        
                                        
                                    
                                        
                                        
                                            Minimum Configuration Time Estimation
                                        
                                        
                                    
                                        
                                        
                                            Remote System Upgrades
                                        
                                        
                                    
                                        
                                        
                                            User Watchdog Internal Oscillator Frequency Specifications
                                        
                                        
                                    
                                
                            I2C Timing Characteristics
| Symbol | Description | Standard Mode | Fast Mode | Unit | ||
|---|---|---|---|---|---|---|
| Min | Max | Min | Max | |||
| Tclk | Serial clock (SCL) clock period | 10 | — | 2.5 | — | µs | 
| Tclkhigh | SCL high time | 4.7 | — | 0.6 | — | µs | 
| Tclklow | SCL low time | 4 | — | 1.3 | — | µs | 
| Ts | Setup time for serial data line (SDA) data to SCL | 0.25 | — | 0.1 | — | µs | 
| Th | Hold time for SCL to SDA data | 0 | 3.45 | 0 | 0.9 | µs | 
| Td | SCL to SDA output data delay | — | 0.2 | — | 0.2 | µs | 
| Tsu_start | Setup time for a repeated start condition | 4.7 | — | 0.6 | — | µs | 
| Thd_start | Hold time for a repeated start condition | 4 | — | 0.6 | — | µs | 
| Tsu_stop | Setup time for a stop condition | 4 | — | 0.6 | — | µs | 
    Figure 14. I2C Timing Diagram