25G SFP28 SR Dual LC Transceivers Features . 25Gbps serial optical interface . 850nm VCSEL transmitter and GaAs PIN PD receiver . Wide operating temperature(0°C~70°C) . Maximum link length of 70m via OM3 multimode Fiber (MMF) . Maximum link length of 100m via OM4 multimode Fiber (MMF)

25G SFP28 SR Dual LC Transceivers
Features
. 25Gbps serial optical interface
. 850nm VCSEL transmitter and GaAs PIN PD receiver
. Wide operating temperature(0°C~70°C)
. Maximum link length of 70m via OM3 multimode Fiber (MMF)
. Maximum link length of 100m via OM4 multimode Fiber (MMF)
Standards
. SFF-8024
. SFF-8431
. SFF-8432
. SFF-8472
Description
The CC-PMM110L-SD Transceiver is intended for 100m reach service 25.78Gb/s 850nmMulti-modehigh-speed communications equipment where low-cost, extraordinary performance and reliability are essential. It consumes low power, operates base on 3.3V DC power supply and is offered in the industrial temperature range. They are compli- ant with SFP28 MSA, SFF-8431 and SFF-8432.
The low jitter and low bit error rate optical assembly features a DML laser transmitter and PIN/TIA receiver. It utiliz- es internal clock and data recovery (CDR) units on transmitter and the receiver chains for low jitter compliance. The differential AC coupled Tx and Rx data interfaces are CML compatible. The device is Class I laser safety compliant.
| Parameter | Symbol | Conditions | Min. | Max. | Unit |
| Storage Temperature | TStorage | -40 | +85 | °C | |
| Relative Humidity | RH | 0 | +85 | % |
| Parameter | Symbol | Conditions | Min. | Typ. | Max. | Unit |
| Case Temperature | TC | 0 | 70 | °C | ||
| Power Supply Voltage | VCC | 3.15 | 3.3 | 3.45 | V | |
| Signaling Rate each Channel | 25.78125 | Gbps |
| Parameter | Symbol | Conditions | Min. | Typ. | Max. | Unit |
| Center wavelength | λ | 840 | 860 | nm | ||
| RMS spectral width | Pm | 0.6 | nm | |||
| Average optical power | Pavg | -8.4 | 2.4 | dBm | ||
| Optical modulation amplitude | OMA | -6.4 | 3 | dBm | ||
| Average launch power of OFF transmitter | Poff | -30 | dBm | |||
| Extinction ratio | ER | 2 | dB | |||
| Transmitter and Dispersion Penalty | TDP | 5 | dB |
| Parameter | Symbol | Conditions | Min. | Typ. | Max. | Unit |
| Center wavelength | λ | 840 | 850 | 860 | nm | |
| Damage threshold | 3.4 | dBm | ||||
| Receive power overload | 2.4 | dBm | ||||
| Receiver reflectance | -12 | dB | ||||
| Receiver sensitivity | SENS | Note1 | -10 | dBm | ||
| LOS Assert | LOSA | -30 | dBm | |||
| LOS De-Assert | LOSD | -13 | dBm | |||
| LOS Hysteresis | LOSH | 0.5 | dB |
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