Home > Products > Transceivers > CLR-HGS-LR20                 CLR-HGS-LR20       100GBase-LR4 QSFP28 Optical Transceiver Module   Multirate   Singlemode, LC, 20Km                       Specifications                   Absolute Maximum Ratings Parameter Symbol Min Typical Max Unit Supply Voltage Vcc -0.3 3.6 V Input Voltage Vin -0.3 Vcc+0.3 V Storage Temperature Tst -20 85 ºC Case Operating Temperature Top 0 70 ºC Humidity (non-condensing) Rh 5 85 % Damage Threshold, each Lane TH 5.5   dBm   Recommended Operating Conditions Parameter Symbol Min Typical Max Unit Supply Voltage Vcc 3.13 3.3 3.47 V Operating Case temperature Tca 0 70 ºC Data Rate Per Lane fd     28 Gbps Humidity Rh 5 85 % Power Dissipation Pdiss 3.5 W SMF Link Distance with G.652 D 0.002 20 km   Electrical Specifications Parameter Symbol Min Typical Max Unit Power Consumption P     3.5 W Supply Current Icc     1.06 A Transceiver Power-on Initialization Time       2000 ms Transmitter (each Lane) Single-ended Input Voltage Tolerance   -0.3 4.0 V AC Common Mode Input Voltage Tolerance   15   mV Differential Input Voltage   50   mVpp Differential Input Voltage Swing Vin     900 mVpp Differential Input Impedance Zin 90 100 110 Ohm Receiver (each Lane) Single-ended Output Voltage   -0.3   4.0 V AC Common Mode Output       7.5 mV Differential Output Voltage Swing Vout 300   850 mVpp Differential Output Impedance Zout 90 100 110 Ohm   Optical Characteristics Parameter Symbol Min Typical Max Unit Lane Wavelength λ (L0) 1294.53 1295.56 1296.59 nm λ (L1) 1299.02 1300.05 1301.09 λ (L2) 1303.54 1304.58 1305.63 λ (L3) 1308.09 1309.14 1310.19 Transmitter SMSR SMSR 30     dB Total Average Launch Power Pt     10.5 dBm Average Launch Power, each Lane Pavg -4.3   4.5 dBm OMA, each Lane Poma -1.3   4.5 dBm Launch power in OMA minus TDP   -2.3     dB TDP, each Lane TDP     2.2 dB Extinction Ratio ER 4     dB RIN20OMA RIN     -130 dB/H Optical Return Loss TOL     20 dB Transmitter Reflectance Rt -12 dB Eye Mask coordinates: X1, X2, X3, Y1, Y2, Y3   {0.25, 0.4, 0.45, 0.25, 0.28, 0.4}   Average Launch Power OFF Poff     -30 dBm Receiver Damage Treshold, each lane THd 5.5   dBm Total Average Receive       10.5 dBm Average Receive Power Per Lane Pin -10.6   4.5 dBm Receive Power (OMA) per lane OMA 4.5 dBm Receiver Sensitivity (OMA) per Lane SEN -9.6 dBm Stressed Receiver Sensitivity (OMA) per each Lane -6.8 dBm RX_ LOS_ Assert LOSA   -18   dBm RX_ LOS_ De-Assert LOSD -15   dBm RX_ LOS_ Hysteresis LOSH 0.5   dB Receiver Electrical 3 dB upper Cutoff Frequency, each Lane Fc   31 GHz Conditions of Stress Receiver Sensitivity Test Vertical Eye Closure Penalty, each lane VECP 1.8   dB Stressed Eye J2 Jitter, each lane J2 0.3   UI Stressed Eye J9 Jitter, each lane J9 0.47   UI   Pin Descriptions Pin Logic Symbol Name/Description 1 GND Module Ground 2 CML-I Tx2- Transmitter inverted data input 3 CML-I Tx2+ Transmitter non-inverted data input 4 GND Module Ground 5 CML-I Tx4- Transmitter inverted data input 6 CML-I Tx4+ Transmitter non-inverted data input 7 GND Module Ground 8 LVTTL-I MODSEIL Module Select 9 LVTTL-I ResetL Module Reset 10 VCCRx +3.3v Receiver Power Supply 11 LVCMOS-I SCL 2-wire Serial interface clock 12 LVCMOS-I/O SDA 2-wire Serial interface data 13 GND Module Ground 14 CML-O RX3+ Receiver non-inverted data output 15 CML-O RX3- Receiver inverted data output 16 GND Module Ground 17 CML-O RX1+ Receiver non-inverted data output 18 CML-O RX1- Receiver inverted data output 19 GND Module Ground 20 GND Module Ground 21 CML-O RX2- Receiver inverted data output 22 CML-O RX2+ Receiver non-inverted data output 23 GND Module Ground 24 CML-O RX4- Receiver inverted data output 25 CML-O RX4+ Receiver non-inverted data output 26 GND Module Ground 27 LVTTL-O ModPrsL Module Present, internal pulled down to GND 28 LVTTL-O IntL Interrupt output, should be pulled up on host board 29 VCCTx +3.3v Transmitter Power Supply 30 VCC1 +3.3v Power Supply 31 LVTTL-I LPMode Low Power Mode 32 GND Module Ground 33 CML-I Tx3+ Transmitter non-inverted data input 34 CML-I Tx3- Transmitter inverted data input 35 GND Module Ground 36 CML-I Tx1+ Transmitter non-inverted data input 37 CML-I Tx1- Transmitter inverted data input 38 GND Module Ground