HOLT Transceiver for EPON (HOLT-11C214L22) 2X10 SFF, Pigtailed with SC, +3.3V, 1.25Gbps, 20km 1490nmTX/1310RX, DFB-LD/APD, 0~70. Feature.

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1 Feature Single fiber bi-directional data links with symmetric1.25gbps upstream and 1.25Gbps downstream Integrated with micro-optics WDM filter for dual wavelength Tx/Rx operation at 1490/ 1310nm Continuous 1490nm DFB laser transmitter 1310nm burst-mode receiver with APD-TIA Resetless burst-mode receiver design Support more than 24dB dynamic range 0 to 70 operating temperature 2X10 SFF package with SC/PC pigtail Single 3.3V power supply LVPECL compatible data input/output interface LVTTL transmitter disable control LVTTL transmitter laser failure alarm LVTTL receiver signal-detected indication Low EMI and excellent ESD protection Class I laser safety standard IEC compliant RoHS Compliance Compliant with SFF MSA and SFF-8472 Compliant with IEEE 802.3ah Applications Gigabit Ethernet Passive Optical Networks (GE-PON) OLT side Description HOLT-11C214L22 is Optical Line Terminal (OLT) compliant with 1000BASE-PX20 application. The transceiver is the high performance module for 1.25Gbps data link in single fiber by using 1490nm continuous- mode transmitter and 1310nm burst-mode receiver. The transmitter section uses a multiple quantum well 1490nm DFB laser and is Class I laser compliant product according to international safety standard IEC The receiver section uses an integrated 1310nm APD diode and preamplifier mounted in an optical header and limiting post-amplifier IC. Unlike the conventional burst-mode receiver, the receiver does not require reset pulse to receive optical data packets with different optical power. The optical output can be disabled by a LVTTL logic high-level input of TX_DIS. LAS_nFAIL is provided to indicate that degradation of the laser. Signal Detected (SD) output is provided to indicate the detection of an input optical signal of receiver. Page 1 of 9

2 Absolute Maximum Ratings Absolute Maximum Ratings are those values, beyond which, some damages may occur to the devices. Exposure to conditions above the Absolute Maximum Ratings listed in Table 2 may negatively impact the reliability of the products. Table 1 - Absolute Maximum Ratings Parameter Symbol Min. Max. Unit Note Storage Ambient Temperature TSTG C Operating Ambient Temperature TOP 0 70 C 1 Operating Humidity HOP 5 95 % Power Supply Voltage VCC V Input Voltage GND Vcc V Soldering Temperature 400 C 2 Bending Radius 30 mm Pigtail Fiber Contact Temperature 85 C Note 1: With airflow 1m/sec Note 2: Only for soldering by iron and 10 seconds on leads only Recommended Operating Conditions Table 2 - Recommended Operating Conditions Parameter Symbol Min Typical Max Unit Note Power Supply Voltage VCC V 3.3V±5% Operating Ambient Temperature TOPR 0 70 C 1 Operating Humidity Range HOPR 5 95 % Data Rate(Upstream/Downstream) 1.25/1.25 Gbit/s Data Rate Drift PPM Note 1: When ambient temperature is above 60 C, airflow at rate higher than 1m/sec is required Optical and Electrical Characteristics Table 3 - Transmitter Optical and Electrical Characteristics Parameter Symbol Min Typical Max Unit Note Optical Center Wavelength λc nm Optical Spectrum Width (-20dB) Δλ 1 nm Side Mode Suppression Ratio SMSR 30 db Average Launch Power (BOL) P BOUT dbm Average Launch Power-OFF Transmitter P EOFF -45 dbm 1 Page 2 of 9

3 Extinction Ratio ER 9 db 2 Optical Return Loss Tolerance 12 db Transmitter Reflectance -10 db Optical Eye Diagram Compliant With IEEE Std 802.3ah Data Input Differential Swing V IN mv 3 Input Differential Impedance Z IN Ω Power Supply Current ICC_TX 200 ma Transmitter Disable Voltage - Low VTDIS L V Transmitter Disable Voltage - High VTDIS,H 2 Vcc V 4 Laser Failure Alarm Voltage - Low VLFA,L V Laser Failure Alarm Voltage - High VLFA,H 2.4 VCC V 5 Note 1: Launched into 9/125um Single Mode Fiber. Note 2: Measured with PRBS test Gbit/s. Note 3: Compatible with LVPECL input, AC coupled internally. Note 4: TX_DIS (See Pin Function Definitions) Note 5: LAS_nFAIL, (See Pin Function Definitions) Table 4 - Receiver Optical and Electrical Characteristics Parameter Symbol Min Typical Max Unit Note Operating Wavelength nm Sensitivity PSEN -30 dbm Saturation Pov -6 dbm 1 Receiver Threshold Settling Time TSET 400 ns Dynamic Range 24 2 SD Assert Level PLOSA -32 dbm SD Deassert Level PLOSD -45 dbm SD Hysteresis PLOSA- PLOSD db Receiver Reflectance -12 db Power Supply Current ICC_RX 120 ma Data Output Differential Swing VOUT mv 3 SD Voltage - Low VSD, L V SD Voltage - High VSD, H 2.4 VCC V SD Assert Time TASS 500 ns SD Deassert Time TDAS 500 ns Note 1: Measured with a PRBS test and ER=10dB, BER = Page 3 of 9

4 Note 2: See Figure 3. Note 3: LVPECL output, DC coupled internally, guaranteed in the full range of input optical power (-6dBm to-30dbm) (See Recommended Interface Circuit) Digital Diagnostic Monitor Accuracy Parameter Unit Accuracy Range Calibration Tx Optical Power db ±3 Full temperature range ±2 Room temperature Internal Rx Optical Power db ±3-6dBm to -30dBm Internal Bias Current % ±10 Id: 1-100mA, Recommended operating conditions Internal Power Supply Vcc: V, % ±3 Voltage Recommended operating conditions Internal Internal Temperature ±3 Recommended operating conditions Internal Figure 1 Timing Parameter Definition in Burst Mode Sequence (only one ) Page 4 of 9

5 Figure 2 Timing Parameter Definitions in Burst Mode Sequence (Dual ONUs ) From Strong ONU(P o =-6dBm) Optical input (OLT side) 24dB Optical Power Dynamic Range From weak ONU(P o =-30dBm) Figure 3 Burst Mode Receiver Dynamic Range in GEPON System Page 5 of 9

6 Recommended Interface Circuit 2X 1uH 0.1uF 10uF 0.1uF 10uF 0.1uF VEET(12 16) VCCT(11) VCCR(7) VEER(2 3 6) TX_Disable TX_DIS(13) 10K TXP TXN 2X150 Z=50 Z=50 TD+(14) TD-(15) 100Ω CM Laser Driver GE-PON MAC SerDes 4.7~10K LAS_nFAIL(18) RXN RXP 2X130 Z=50 Z=50 RD-(9) RD+(10) BM Limiting Amplifier 2X82 PON_LOS SD(8) 10K Figure 4 shows the recommended interface scheme Pin Definitions Table 5 show the 2 10 SFF pin information of electrical interface and mounting studs. Figure 5 2X10 SFF Outline Page 6 of 9

7 Table 5 - Pin Function Definitions (2 10 SFF) Pin No. Name Description Notes 1 NC No Function Definition Not connected 2 NC No Function Definition Not connected 3 VEER Receiver Signal Ground 4 SDA I 2 C Serial DATA 5 SCL I 2 C Serial Clock 6 VEER Receiver Signal Ground 7 VCCR Receiver Power Supply 8 SD Receiver Signal-Detected Indication 1 9 RD- Inverted Receiver Data Output 10 RD+ Non-inverted Receiver Data Output 11 VCCT Transmitter Power Supply 12 VEET Transmitter Signal Ground 13 TX_DIS Transmitter Disable 3 14 TD+ Transmitter Non-inverted Data Input 15 TD- Transmitter Inverted Data Input 16 VEET Transmitter Signal Ground 17 NC No Function Definition Not connected 18 NC No Function Definition Not connected 19 NC No Function Definition Not connected 20 TX_Fault Transmitter Fault 5 F MS Mounting Studs 6 Note 1: TTL logic output, with internal 10KΩ pull-up resistor. Optical Signal-Detected: High; Optical Signal Loss: Low Note 2: LVPECL DC coupled internally. Note 3: A positive level Disable TX optical output Note 4: LVPECL input, AC coupled internally. Note 5: TTL logic output, pulled up by a K. resistor on the host board. Laser Normal State: High; Laser Failure State: Low Note 6: The mounting studs are provided for transceiver mechanical attachment to circuit board. They may also provide an optional connection of the transceiver to the equipment chassis ground. The holes in the circuit board must be tied to chassis ground. It is not recommended that the mounting studs be connected to signal ground. Note7: NC pin should not be connected to any circuit of the host board. 2 4 Page 7 of 9

8 Mechanical Design Diagram The form factor is 2 10 SFF with pigtail fiber. The pigtail fiber has a length mm and 30mm minimum bending radius. The fiber connector type is SC/PC. The mechanical design diagram is shown in Figure 6. (Dimension in mm) Figure 6: Mechanical Diagram Page 8 of 9

9 Ordering Information: HOLT- A B C D E F G H I A Downstream Data Rate 1= 1.25Gb/s 2 = 2.5Gb/s B Upstream Data Rate 1 = 1.25Gb/s 2 = 2.5Gb/s C Operating Temperature C = 0~70 E = -20~70 H = -40~85 D Transmission Distance 1 = 10KM 2 = 20KM E Wavelength 1 =TX1310nm/RX1490nm F LD/PD Type 1 = FP/PIN 2 = FP/APD 3 = DFB/PIN 4 = DFB/APD G TX Enable L = Low Level H = High Level H Package Type 1 = SFF 2X5Pin 2 = SFF 2X10 Pin 3 = SFP I Connector 1 = SC/PC Receptacle 2 = SC/PC with Pigtail 3 = SC/APC with Pigtail J Customer Specific Code NO = Blank J Page 9 of 9