ZHCSKE9C December 2015 – October 2019 DS250DF810
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| Rbaud | Input data rate | Full-rate | 20.2752 | 25.8 | Gbps | |
| Rbaud | Half-rate | 10.1376 | 12.9 | Gbps | ||
| Rbaud | Quarter-rate | 5.0688 | 6.45 | Gbps | ||
| tEEPROM | EEPROM configuration load time | Single device reading its configuration from an EEPROM. Common channel configuration. This time scales with the number of devices reading from the same EEPROM. | 15(2) | ms | ||
| tEEPROM | EEPROM configuration load time | Single device reading its configuration from an EEPROM. Unique channel configuration. This time scales with the number of devices reading from the same EEPROM. | 40(2) | ms | ||
| tPOR | Power-on reset assertion time | Internal power-on reset (PoR) stretch between stable power supply and de-assertion of internal PoR. The SMBus address is latched on the completion of the PoR stretch, and SMBus accesses are permitted. | 50 | ms | ||
| POWER SUPPLY | ||||||
| Wchannel | Power consumption per active channel | With CTLE, full DFE, Tx FIR, Driver, and Crosspoint enabled. Idle power consumption not included. | 241 | 305 | mW | |
| With CTLE, full DFE, Tx FIR, and Driver enabled; Crosspoint disabled. Idle power consumption not included. | 233 | mW | ||||
| With CTLE, partial DFE (taps 1-2 only), Tx FIR, and Driver enabled; Crosspoint and DFE taps 3-5 disabled. Idle power consumption not included. | 220 | mW | ||||
| With CTLE, Tx FIR, Driver, and Crosspoint enabled; DFE disabled. Idle power consumption not included. | 211 | 290 | mW | |||
| Assuming CDR acquiring lock with CTLE, full DFE, Tx FIR, Driver, and Crosspoint enabled. Idle power consumption not included. | 365 | 430 | mW | |||
| Assuming CDR acquiring lock with CTLE, Tx FIR, Driver, and Crosspoint enabled; DFE disabled. Idle power consumption not included. | 318 | 393 | mW | |||
| PRBS checker power consumption only(1) | 220 | 302 | mW | |||
| PRBS generator power power consumption only(1) | 230 | 315 | mW | |||
| Wstatic_total | Total idle power consumption | Idle/static mode, power supplied, no high-speed data present at inputs, all channels automatically powered down. | 658 | 1050 | mW | |
| Itotal | Active mode total device supply current consumption | With CTLE, full DFE, Tx FIR, Driver, and Crosspoint enabled. | 1036 | 1330 | mA | |
| With CTLE, full DFE, Tx FIR, and Driver enabled; Crosspoint disabled. | 1010 | mA | ||||
| With CTLE, partial DFE (taps 1-2 only), Tx FIR, and Driver enabled; Crosspoint and DFE taps 3-5 disabled. | 970 | mA | ||||
| With CTLE, Tx FIR, Driver, and Crosspoint enabled. DFE disabled. | 940 | 1278 | mA | |||
| Istatic_total | Idle mode total device supply current consumption | Idle/static mode. Power supplied, no high-speed data present at inputs, all channels automatically powered down. | 263 | 400 | mA | |
| LVCMOS DC SPECIFICATIONS | ||||||
| VIH | Input high level voltage | 2.5 V LVCMOS pins | 1.75 | VDD | V | |
| 3.3 V LVCMOS pin (READ_EN_N) | 1.75 | 3.6 | V | |||
| VIL | Input low level voltage | 2.5 V LVCMOS pins | GND | 0.7 | V | |
| 3.3 V LVCMOS pin (READ_EN_N) | GND | 0.8 | V | |||
| VTH | High level (1) input voltage | 4-level pins ADDR0, ADDR1, and EN_SMB | 0.95 * VDD | V | ||
| Float level input voltage | 4-level pins ADDR0, ADDR1, and EN_SMB | 0.67 * VDD | V | |||
| 10K to GND input voltage | 4-level pins ADDR0, ADDR1, and EN_SMB | 0.33 * VDD | V | |||
| Low level (0) input voltage | 4-level pins ADDR0, ADDR1, and EN_SMB | 0.1 | V | |||
| VOH | High level output voltage | IOH = 4mA | 2 | V | ||
| VOL | Low level output voltage | IOL = -4mA | 0.4 | V | ||
| IIH | Input high leakage current | Vinput = VDD, Open drain pins | 70 | μA | ||
| IIH | Input high leakage current | Vinput = VDD and CAL_CLK_IN pin | 65 | μA | ||
| IIH | Input high leakage current | Vinput = VDD, ADDR[1:0] and EN_SMB pins | 120 | μA | ||
| IIH | Input high leakage current | Vinput = VDD, READ_EN_N | 75 | μA | ||
| IIL | Input low leakage current | Vinput = 0V, Open drain pins | -15 | μA | ||
| IIL | Input low leakage current | Vinput = 0V, CAL_CLK_IN pins | -45 | μA | ||
| IIL | Input low leakage current | Vinput = 0V, ADDR[1:0], READ_EN_N, and EN_SMB pins | -230 | μA | ||
| RECEIVER INPUTS (RXnP, RXnN) | ||||||
| VIDMax | Maximum input differential voltage | For normal operation | 1225 | mVppd | ||
| RLSDD11 | Differential input return loss, SDD11 | Between 50 MHz and 3.69 GHz | <-16 | dB | ||
| RLSDD11 | Differential input return loss, SDD11 | Between 3.69 GHz and 12.9 GHz | <-12 | dB | ||
| RLSDC11 | Differential to common-mode input return loss, SDC11 | Between 50 MHz and 12.9 GHz | <-23 | dB | ||
| RLSCD11 | Differential to common-mode input return loss, SCD11 | Between 50 MHz and 12.9 GHz | <-24 | dB | ||
| RLSCC11 | Common-mode input return loss, SCC11 | Between 150 MHz and 10 GHz | <-10 | dB | ||
| RLSCC11 | Common-mode input return loss, SCC11 | Between 10 GHz and 12.9 GHz | <-10 | dB | ||
| VSDAT | AC signal detect assert (ON) threshold level | Minimum input peak-to-peak amplitude level at device pins required to assert signal detect. 25.78125Gbps with PRBS7 pattern and 20dB loss channel | 196 | mVppd | ||
| VSDDT | AC signal detect de-assert (OFF) threshold level | Maximum input peak-to-peak amplitude level at device pins which causes signal detect to de-assert. 25.78125Gbps with PRBS7 pattern and 20dB loss channel | 147 | mVppd | ||
| TRANSMITTER OUTPUTS (TXnP, TXnN) | ||||||
| VOD | Output differential voltage amplitude | Measured with c(0)=7 setting (Reg_0x3D[6:0]=0x07, Reg_0x3E[6:0]=0x40, REG_0x3F[6:0]=0x40). Differential measurement using an 8T pattern (eight 1s followed by eight 0s) at 25.78125 Gbps with TXPn and TXNn terminated by 50 Ohms to GND. | 525 | mVppd | ||
| VOD | Output differential voltage amplitude | Measured with c(0)=31 setting (Reg_0x3D[6:0]=0x1F, Reg_0x3E[6:0]=0x40, REG_0x3F[6:0]=0x40). Differential measurement using an 8T pattern (eight 1s followed by eight 0s) at 25.78125 Gbps with TXPn and TXNn terminated by 50 Ohms to GND. | 1225 | mVppd | ||
| VODidle | Differential output amplitude with TX disabled | < 11 | mVppd | |||
| VODres | Output VOD resolution | Difference in VOD between two adjacent c(0) settings. Applies to VOD in the 525mVppd to 1225mVppd range [c(0)>4]. | < 50 | mVppd | ||
| Vcm-TX-AC | Common-mode AC output noise | With respect to signal ground. Measured with PRBS9 data pattern. Measured with a 33GHz (-3dB) low-pass filter. | 6.5 | mV, RMS | ||
| tr, tf | Output transition time | 20%-to-80% rise time and 80%-to-20% fall time on a clock-like {11111 00000} data pattern at 25.78125 Gbps. Measured for ~800 mVppd output amplitude and no equalization: Reg_0x3D=+13, Reg_0x3E=0, REG_0x3F=0 | 17 | ps | ||
| RLSDD22 | Differential output return loss, SDD22 | Between 50 MHz and 5 GHz | <-12 | dB | ||
| RLSDD22 | Differential output return loss, SDD22 | Between 5 GHz and 12.9 GHz | <-9 | dB | ||
| RLSCD22 | Common-mode to differential output return loss, SCD22 | Between 50 MHz and 12.9 GHz | <-22 | dB | ||
| RLSDC22 | Differential-to-common-mode output return loss, SDC22 | Between 50 MHz and 12.9 GHz | <-22 | dB | ||
| RLSCC22 | Common-mode output return loss, SCC22 | Between 50 MHz and 10 GHz | <-9 | dB | ||
| RLSCC22 | Common-mode output return loss, SCC22 | Between 10 GHz and 12.9 GHz | <-9 | dB | ||
| SMBus ELECTRICAL CHARACTERISTICS (SLAVE MODE) | ||||||
| VIH | Input high level voltage | SDA and SDC | 1.75 | 3.6 | V | |
| VIL | Input low level voltage | SDA and SDC | GND | 0.8 | V | |
| CIN | Input pin capacitance | 15 | pF | |||
| VOL | Low level output voltage | SDA or SDC, IOL = 1.25 mA | 0.4 | V | ||
| IIN | Input current | SDA or SDC, VINPUT = VIN, VDD, GND | -15 | 15 | μA | |
| TR | SDA rise time, read operation | Pull-up resistor = 1 kΩ, Cb = 50pF | 150 | ns | ||
| TF | SDA fall time, read operation | Pull-up resistor = 1 kΩ, Cb = 50pF | 4.5 | ns | ||