LPGALCxx-Z15C

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APPLICATIONS

l Switch to Switch Interface

l Fast Ethernet

l Switched Backplane Applications

l Router/Server Interface

l SONET OC-3 IR-1/SDH STM S-1.1

Compliance

l SFP MSA

l SFF-8472

l IEEE802.3z

l RoHS

Ordering information

Package	Product part NO.	Data Rate (Mbps)	Media	Wavelength (nm)	Transmission Distance(km)	Temperature Range（℃）
SFP	ESGALCxx-Z15C	155	single-mode fiber	1xx1	150	0~70	Commercial
SFP	ESGALCxx-Z15E	155	single-mode fiber	1xx1	150	-20~85	Extended

ESGALCxx-Z15C(E):

Wavelength (nm)	xx	Clasp Color Code	Wavelength (nm)	xx	Clasp Color Code
1471	47	Gray	1551	55	Yellow
1491	49	Purple	1571	57	Orange
1511	51	Blue	1591	59	Red
1531	53	Green	1611	61	Brown

I. Pin Diagram

Pin out of Connector Block on Host Board

II. Pin Descriptions

Pin	Symbol	Name/Description	Ref.
1	V_EET	Transmitter Ground (Common with Receiver Ground)	1
2	T_FAULT	Transmitter Fault.Open Drain. Logic “0” indicates normal operation.	2
3	T_DIS	Transmitter Disable. Laser output disabled on high or open.	3
4	MOD_DEF(2)	Module Definition 2. Data line for Serial ID.	4
5	MOD_DEF(1)	Module Definition 1. Clock line for Serial ID.	4
6	MOD_DEF(0)	Module Definition 0. Grounded within the module.	4
7	Rate Select	No connection required.
8	LOS	Loss of Signal indication. Open Drain. Logic “0” indicates normal operation.	5
9	V_EER	Receiver Ground (Common with Transmitter Ground)	1
10	V_EER	Receiver Ground (Common with Transmitter Ground)	1
11	V_EER	Receiver Ground (Common with Transmitter Ground)	1
12	RD-	Receiver Inverted DATA out(CML). AC Coupled
13	RD+	Receiver Non-inverted DATA out(CML). AC Coupled
14	V_EER	Receiver Ground (Common with Transmitter Ground)	1
15	V_CCR	Receiver Power Supply
16	V_CCT	Transmitter Power Supply
17	V_EET	Transmitter Ground (Common with Receiver Ground)	1
18	TD+	Transmitter Non-Inverted DATA in. AC Coupled.
19	TD-	Transmitter Inverted DATA in. AC Coupled.
20	V_EET	Transmitter Ground (Common with Receiver Ground)	1

Notes:

1. Circuit ground is internally isolated from chassis ground.

2. TX Fault is an open drain output, which should be pulled up with 4.7K – 10KΩ resistor on the host board. Pull up voltage between 2.0V to VccT/R+0.3V. When high, output indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8V. When sensing an improper power level in the laser driver, the SFP sets this signal high and turns off the laser. TX-FAULT can be reset with the TX-DISABLE line. The signal is in LVTTL level.

3. TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with 4.7K – 10KΩ resistor. Its states are: Low (0 – 0.8V): Transmitter on; (>0.8, < 2.0V): Undefined; High (2.0V to VccT/R+0.3V): Transmitter Disabled; Open: Transmitter Disabled. The TX-DISABLE signal is high (LVTTL logic “1”) to turn off the laser output. The laser will turn on when TX-DISABLE is low (LVTTL logic “0”).

4. Should be pulled up with 4.7K - 10KΩ on host board to a voltage between 2.0V to VccT/R+0.3V. MOD_DEF (0) pulls line low to indicate module is plugged in.

5. LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with 4.7K – 10KΩ resistor. Pull up voltage between 2.0V to VccT/R+0.3V. When high, this output indicates the received optical power is below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.

The RX-LOS is high (LVTTL logic “1”) when there is no incoming light from the companion transceiver. This signal is normally used by the system for the diagnostic purpose. The signal is operated in LVTTL level.

III. Absolute Maximum Ratings

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Storage Temperature	T_S	-40		85	ºC
Storage Ambient Humidity	H_A	5		95	%
Power Supply Voltage	V_CC	-0.5		4	V
Signal Input Voltage		-0.3		Vcc+0.3	V
Lead Soldering Temperature/Time	TSOLD			260/10	ºC/sec	1
Lead Soldering Temperature/Time	TSOLD			360/10	ºC/sec	2

Notes:

1. Suitable for wave soldering.

2. Only for soldering by iron.

IV. Recommended Operating Conditions

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Case Operating Temperature	T_case	0		70	ºC	ESGALCxx-Z15C
Case Operating Temperature	T_case	-20		85	ºC	ESGALCxx-Z15E
Ambient Humidity	H_A	0		85	%	Non-condensing
Power Supply Voltage	V_CC	3.14	3.3	3.46	V
Power Dissipation	P		0.8	1.1	W
Data Rate			155		Mbps	TX Rate/RX Rate
Transmission Distance				150	km
Coupled Fiber	Single mode fiber					9/125um G.652

V. Specification of Transmitter

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Average Output Power	P_OUT	+3		+7	dBm
Extinction Ratio	ER	10			dB
Center Wavelength	λC	-7.5		+7.5	nm	ESGALCxx-Z15 Note (1)
Side Mode Suppression Ratio	SMSR	30			dBm	DFB Laser
Spectrum Bandwidth(-20dB)	σ			1	nm	DFB Laser
Transmitter OFF Output Power	POff			-40	dBm
Jitter p-p	tJ			0.1	UI	Note (2)
Output Eye Mask	Compliant with IEEE 802.3 Fig.38-2					Note (3)

Note (1): “XX” is: 47,49,51,53,55,57,59 and 61

Note (2): Measure at 2^7-1 NRZ PRBS pattern.

Note (3): Transmitter eye mask definition.

VI. Specification of Receiver

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Input Optical Wavelength	λ_IN	1260		1620	nm
Receiver Sensitivity	PIN			-40	dBm	1
Input Saturation Power (Overload)	PSAT	-10			dBm
Damage Input Power	-	-5			dBm
Loss of Signal Assert	PA	-50			dBm
Loss of Signal De-assert	PD			-41	dBm	2
LOS Hysteresis	PD-PA	0.5			dB

Notes：

1. Measured with Light source 1xx1nm, ER=9dB; BER =<10^-12 @PRBS=2^7-1 NRZ

2. When LOS De-asserted, the RX data+/- output is signal output.

VII. Digital Diagnostic Memory Map

VIII.Digital Diagnostic Monitoring Information

Parameter	Unit	Accuracy
Case Temperature	℃	±3
Supply Voltage	V	±3%
Tx Bias Current	mA	±10%
Tx Optical Power	dB	±3
Rx Optical Power	dB	±3

IX. Electrical Interface Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
*Transmitter*
Input Differential Impedance	Rin		100		Ω
Differential Data Input Swing	Vin, pp	180		700	mVP-P
Transmitter Disable Input-High	VDISH	2		Vcc+0.3	V	LVTTL
Transmitter Disable Input-Low	VDISL	0		0.8	V
Transmitter Fault Input-High	VTxFH	2		Vcc+0.3	V
Transmitter Fault Input-Low	VTxFL	0		0.8	V
*Receiver*
Output Differential Impedance	Rout		100		Ω
Differential Data Input Swing	Vout, pp	300		850	mVP-P
Output Rise/Fall Time 20% - 80%	-			260	Ps
LOS Output Voltage-High	VLOSH	2		Vcc+0.3	V	LVTTL
LOS Output Voltage-Low	VLOSL	0		0.8	V	LVTTL

X. Recommend Circuit Schematic

XI. Mechanical Specifications (Unit: mm)

SFP wire mechanical drawing (Unit: mm)

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contact us

Address : East of 2F, Tianmen Optical Valley Science Park,Qiaoxiang Economic development area,Tianmen, Hubei Province.
Tel : 15012662571
Email : chris.peng@talptech.com
Skype : 15012662571

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