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100G SFP-DD to SFP-DD Direct Attached Cable
Absolute Maximum Ratings
| Parameter | Symbol | Min | Typical | Max | Unit |
| Supply Voltage | Vcc | 3. 13 | 3.3 | 3.47 | V |
| Storage temperature | Ts | -40 | | 85 | ºC |
| Operating Case temperature | Tc | 0 | | 70 | ºC |
| Humidity | Rh | 5 | | 85 | % |
| DataRate | | | 100 | | Gbps |
Physical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit |
| Length | L | 0.5 | | 3 | M |
| AWG | | 30 | | 26 | AWG |
| Jacket material | | PVC, Black | |||
| Flame Rating | | VW- 1 | |||
Electrical Specifications
| Parameter | Symbol | Min | Typical | Max | Unit |
| Resistance | Rcon | | | 3 | ohm |
| Insulation Resistance | Rins | | | 10 | ºC |
| Raw cable impedance | Zca | 95 | | 110 | Mohm |
| Mated connector Impedance | Zmated | 85 | | 110 | ohm |
| Maximum insertion loss at 13.28 GHz | SDD21 | | | 17. 16 | dB |
| Other SI Performance | | Comply with IEEE802.3cd&bj | |||
| Minimum COM | COM | 3 | | | dB |
Pin Description
Figure 1. Electrical Pin-out Details for SFP-DD
Table 1-Pad Function Definition
| Pad | Logic | Symbol | Module pad Descriptions | Plug sequence | Notes |
| 1 | | GND | Ground | 1A | 1 |
| 2 | LVTTL-O | Tx Fault0 | Transmitter Fault Indication for channel 0 | 3A | |
| 3 | LVTTL-I | Tx Disable0 | Transmitter Disable for channel 0 | 3A | |
| 4 | LVCMOS-I/O | SDA | Management I/F data line | 3A | |
| 5 | LVCMOS-I/O | SCL | Management I/F clock | 3A | |
| 6 | LVTTL-O | ModABS | Module Absent | 3A | |
| 7 | LVTTL-I | Speed0-1 | Rx Rate Select for channel 0 | 3A | |
| 8 | LVTTL-O | Rx LOS0 | Rx Loos of Signal for channel 0 | 3A | |
| 9 | LVTTL-I | Speed0-2 | Tx Rate Select for channel 0 | 3A | |
| 10 | | GND | Ground | 1A | 1 |
| 11 | | GND | Ground | 1A | 1 |
| 12 | CML-O | RDO- | Inverse Received Data Out for channel 0 | 3A | |
| 13 | CML-O | RD0+ | Received Data Out for channel 0 | 3A | |
| 14 | | GND | Ground | 1A | 1 |
| 15 | | Vcc R0 | Receiver power | 2A | 2 |
| 16 | | Vcc TO | Transmitter power | 2A | 2 |
| 17 | | GND | Ground | 1A | |
| 18 | CML-I | TDD+ | Transmit Data li for channel 0 | 3A | |
| 19 | CML-I | TDD- | Inverse Transmit Data In for channel 0 | 3A | |
| 20 | | GND | Ground | 1A | 1 |
| 21 | | GND | Ground | 1B | 1 |
| 22 | LVTTL-O | Tx Fault1 | Transmitter Fault Indication/Interrupt for channel 1 | 3B | |
| 23 | LVTTL-O | TxDisable1 | Transmitter Disable for channel 1 | 3B | |
| 24 | | Reserved | Reserved for future Use | 3B | |
| 25 | LVTTL-I | LP Mode | Low Power Mode Control | 3B | |
| 26 | | Reserved | Reserved for future Use | 3B | 3 |
| 27 | LVTTL-I | Speed1-1 | Rx Rate Select for channel 1 | 3B | |
| 28 | LVTTL-O | Rx LOS1 | Loss of signal for channel 1 | 3B | |
| 29 | LVTTL-I | Speed1-2 | Tx Rate Select for channel 1 | 3B | |
| 30 | | GND | Ground | 1B | 1 |
| 31 | | GND | Ground | 1B | 1 |
| 32 | CML-O | RD1 | Inverse Received Data Out for channel 1 | 3B | |
| 33 | CML-O | RD1+ | Received Data Out for channel 1 | 3B | |
| 34 | | GND | Ground | 1B | 1 |
| 35 | | VccR1 | Received Power for channel 1 | 2B | 2 |
| 36 | | VccT1 | Transmitter Power for channel 1 | 2B | 2 |
| 37 | | GND | Ground | 1B | 1 |
| 38 | CML-I | TD1+ | Transmitter Data in for channel 1 | 3B | |
| 39 | CML-I | TD1- | Inverse Transmit Data Out for channel 1 | 3B | |
| 40 | | GND | Ground | 1B | 1 |
Mechanical Dimensions
Ordering Information
| Part No. | Description |
| SFPDD-100G-005 | 100GSFP-DDtoSFP-DDDAC,30AWG, 0.5m,PVC,BLACK. |
| SFPDD-100G-010 | 100GSFP-DDtoSFP-DDDAC,30AWG, 1.0m,PVC,BLACK. |
| SFPDD-100G-015 | 100GSFP-DDtoSFP-DDDAC,30AWG, 1.5m,PVC,BLACK. |
| SFPDD-100G-020 | 100GSFP-DDtoSFP-DDDAC,30AWG, 2.0m,PVC,BLACK. |
| SFPDD-100G-025 | 100GSFP-DDtoSFP-DDDAC,26AWG,2.5m,PVC,BLACK. |
| SFPDD-100G-030 | 100GSFP-DDtoSFP-DDDAC,26AWG, 3.0m,PVC,BLACK. |
References
1. SFP-DD MSA Rev2. 1
2. IEEE802.3cd&802.3bj
3. SFP-DD-MIS-Rev2.0
