SPET-X53T1-SX3DA Asymmetric 10G EPON OLT XFP Transceiver

SPET-X53T1-SX3DA

Asymmetric 10G EPON OLT XFP Transceiver

Features
Single Fiber Transceiver with single mode SC receptacle
1577nm continuous-mode 10.3125G/s transmitter with EML laser
1310nm burst-mode 1.25G/s receiver with APD-TIA
Single 3.3V power supply
LVPECL compatible data input /output
Burst mode received signal strength indication (RSSI) output
Complies with IEEE P802.3™D3.2 10/1GBASE–PRX30
Digital diagnostic interface compliant with SFF-8472 Rev 9.4
Complies with XFP MSA
Complies with RoHS directive
Operating case temperature: Standard: 0 to +70°C

Applications
Asymmetric 10G/1G Ethernet Passive Optical Network OLT

Description
The SPET-X53T1-SX3DA transceiver is the high performance module for single fiber by using 1577nm continuous-mode transmitter and 1310nm burst-mode receiver. It is optical line terminal (OLT) for IEEE P802.3™D3.2 10/1GBASE–PRX30. The optical transceiver is compliant with XFP Multi- Source Agreement (MSA).
The transmitter section uses a 1577nm EML LD with automatic power control (APC) function and temperature compensation circuitry to ensure stable extinction ratio overall operating temperature range. and is ClassⅠlaser compliant IEC825 and CDRH standards.
The receiver has a hermetically packaged APD-TIA (trans-impedance amplifier) pre-amplifier and a limiting amplifier with LVPECL compatible differential outputs. The receiver also supports burst mode RSSI output which is enabled by a trigger. Burst mode RSSI function can satisfy system the demand of monitoring the power from any ONU.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Units	Notes
Storage Temperature	Tst	-40	+85	°C	-
Operating Case Temperature	Tc	0	70	°C	-
Operating Humidity	RH	5	90	%	Non-condensing
Input Voltage	-	GND	Vcc	V	-
Power Supply Voltage	Vcc3	0	3.6	V	-
Power Supply Voltage	Vcc5	0	6	V	-

Recommended Operating Conditions

Parameter		Symbol	Min	Typical	Max	Unit
Operating Case Temperature	Standard	Tc	0		+70	°C
Power Supply Voltage		Vcc3	3.13	3.3	3.47	V
Power Supply Voltage		Vcc5	4.75	5	5.25	V
Power Supply Current		Icc3			1000	mA
Power Supply Current		Icc5			500	mA

Optical and Electrical Characteristics

Parameter		Symbol	Min	Typical	Max	Unit	Notes
Transmitter
Data Rate				10.3125		Gb/S
Centre Wavelength		λc	1575	1577	1580	nm
Spectral Width		∆λ			1	nm
Side Mode Suppression Ratio		SMSR	30			dB
Average Output Power (BOL)		Pout	2		5	dBm	1
Extinction Ratio		ER	6			dB
Average Launch Power-OFF Transmitter		Poff			-39	dBm
Optical Eye Diagram		Compliant with IEEEP802.3™D3.2 Figure75–8
Optical Rise/ Fall Time (20%~80%)		tr/tf			26	ps
Data Input Swing Differential		VIN	200		1000	mV	2
Input Differential Impedance		ZIN	90	100	110	Ω
TX Disable	Disable		2.0		Vcc	V
TX Disable	Enable		0		0.8	V
Receiver
Data Rate				1.25		Gb/S
Centre Wavelength		λc	1260	1310	1360	nm
Receiver Sensitivity		Sen			-29.87	dBm	3
Stressed receive sensitivity		Sen			-28.38	dBm	4
Receiver Overload		Sat	-9			dBm	3
Damage threshold		-	-5			dBm
Receiver Burst Dynamic Range			22			dB
Receiver_settling		-			400	ns
Data Output Voltage-High		VOH	VccR-1.05		VccR–0.85	V	5
Data Output Voltage-Low		VOL	VccR-1.84		VccR–1.60	V	5
LOS De-assert Level		LOS_D			-31	dBm
LOS Assert Level		LOS_A	-45			dBm
LOS Detect Hysteresis		-	1			dBm
LOS_Det High		-	2.0		VCC	V
LOS_DetLow		-	0		0.8	V
LOS De-assert Time		LOS_DT			500	ns
LOS Assert Time		LOS_AT			500	ns
Receiver Power DDM(RSSI) Error		RXDDM			+/-3	dBm

Notes:
1. The optical power is launched into SMF
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 27-1 test pattern @1.25Mbps, BER ≤1×10-10.
4. Vertical eye-closure penalty=1.4dB, Stressed eye jitter=0.28UI pk to pk
5. Internally DC-coupled.

Diagnostics

Parameter	Range	Unit	Accuracy	Calibration
Temperature	0 to +70	°C	±3°C	Internal/External
Temperature	-40 to +85	°C	±3°C	Internal/External
Vcc3	3.0 to 3.6	V	±3%	Internal/External
Vcc3	4.75 to 5.25	V	±3%	Internal/External
Bias Current	0 to 150	mA	±10%	Internal/External
TX POwer	2 to 5	dBm	±3dB	Internal/External
RX Power	-30 to-9	dBm	±3dB	Internal/External

Timing Characteristics for Digital RSSI

Parameter	Symbol	Min.	TYP	MAX	UNITS
Triggerdelay	Td	300			ns
Sampletime	Ts	600			ns
Internal I2C Delay	TI2C			500	us
Digital RSSI		Figure1

Figure 1 Digital RSSI Timing

Digital Diagnostic Memory Map
The SPET-X53T1-SX3DA transceivers are compliant with the current XFP Multi-Source Agreement (MSA) Specification Rev 4.5. As defined by the XFP MSA, XFP transceivers provide digital diagnostic functions via a 2-wire serial interface, which allows real-time access to the following operating parameters:
Transceiver temperature
Laser bias current
Transmitted optical power
Received optical power
Transceiver supply voltage
It also provides a sophisticated system of alarm and warning flags, which may be used to alert end-users when particular operating parameters are outside of a factory-set normal range.

Digital Diagnostic Memory Map

The operating and diagnostics information is monitored and reported by a Digital Diagnostics Transceiver Controller inside the transceiver, which is accessed through the 2-wire serial interface. When the serial protocol is activated, the serial clock signal (SCL pin) is generated by the host. The positive edge clocks data into the XFP transceiver into those segments of its memory map that are not write-protected. The negative edge clocks data from the XFP transceiver. The serial data signal (SDA pin) is bi-directional for serial data transfer. The host uses SDA in conjunction with SCL to mark the start and end of serial protocol activation. The memories are organized as a series of 8-bit data words that can be addressed individually or sequentially. The 2-wire serial interface provides sequential or random access to the 8 bit parameters, addressed from 000h to the maximum address of the memory.

Pin Definitions
　Pin Diagram

　Pin Diagram

　Pin Descriptions

Pin	Signal Name	Description	Notes
1	GND	Module Ground	Note1
2	VEE5	Optional–5.2 Power Supply–Not required	Note3
3	MOD-DESEL	Module De-select; When held low allows the module to , respond to 2-wire serial interface commands
4	INTERRUPT	Interrupt (bar); Indicates presence of an important condition which can be read over the serial 2-wire interface	Note2
5	TX_DIS	Transmitter Disable; Transmitter laser source turned off
6	VCC5	+5 Power Supply	Note3
7	GND	Module Ground	Note1
8	VCC3	+3.3V Power Supply
9	VCC3	+3.3V Power Supply
10	SCL	Serial 2wire interface clock	Note2
11	SDA	Serial 2wire interface data line	Note2
12	MOD_ABS	Module Absent; Indicates module is not present. Grounded in the module.	Note2
13	MOD_NR	Module Not Ready;	Note2
14	RX_LOS	Receiver Loss of Signa lindicator	Note2
15	GND	Module Ground	Note1
16	GND	Module Ground	Note1
17	RD-	Receiver inverted data output
18	RD+	Receiver non-inverted data output
19	GND	Module Ground	Note1
20	VCC2	+1.8V Power Supply–No trequired	Note3
21	RSSI_TRIG	RSSItriggersignalinputfromthehost
22	VCC2	+1.8V Power Supply–Not required	Note3
23	GND	Module Ground	Note1
24	REFCLK+	Reference Clock non-inverted input, AC coupled on the host board–Not required	Note3
25	REFCLK-	Reference Clock inverted input, AC coupled on the host board–Not required	Note3
26	GND	Module Ground	Note1
27	GND	Module Ground	Note1
28	TD-	Transmitter inverted data input
29	TD+	Transmitter non-inverted data input
30	GND	Module Ground	Note1

Notes:
Plug Seq.: Pin engagement sequence during hot plugging.
1) .Module ground pins GND are isolated from the module case and chassis ground within the module.
2). shall be pulled up with 4.7K-10Kohms to a voltage between 3.15V and 3.45V on the host board.
3). Not connected internally.

Recommended Interface Circuit
TBD
Mechanical Dimensions
TBD
Ordering information

Part Number	Product Description
SPET-X53T1-SX3DA	Tx 1577nm, Rx 1310nm, 10.3125Gbps/1.25Gbps, 10G/1GBASE-PRX30, 0º C~+70º C, DDM

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SPET-X53T1-SX3DA Asymmetric 10G EPON OLT XFP Transceiver

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Asymmetric 10G EPON OLT XFP Transceiver

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SPET-X53T1-SX3DA Asymmetric 10G EPON OLT XFP Transceiver

SPET-X53T1-SX3DA

Asymmetric 10G EPON OLT XFP Transceiver

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