Features Up to 106.25Gbps data rate by PAM4 modulation1x100G PAM4 EML laserDuplex LC receptacle optical interfaceSingle +3.3V power supplyDDM function implementedHot-pluggable Q......

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RQ-100G-DR1

100G QSFP28 DR1 1310nm LC SM 500M

100G QSFP28 DR1 1310nm LC SM 500M

The 100G QSFP28 DR1 Transceiver is designed to transmit and receive serial optical data links up to 106.25Gb/s data rate by PAM4 modulation format over single-mode fiber. It is a small-form-factor hot pluggable transceiver module integrated with the EML laser. It is compliant with100G Lambda MSA;QSFP MSA.

Document History

VER. & STATUS	DATE	DESCRIPTION OF CHANGE	Modifier
1.0	2021-12-10	Draft	XY

Specifications

(Tested under recommended operating conditions, unless otherwise noted)

Parameter	Symbol	Unit	Min	Typ	Max		Notes
Transmitter (per Lane)
Signaling Speed per Lane		GBd		53. 125± 100pm
Modulation format				PAM4
Center wavelength		nm	1304.5	1311	1317.5
Side-mode suppression Ratio	SMSR	dB	30
Optical output power	PAVG	dBm	-2.9		4
Outer Optical Modulation Amplitude	OMAouter	dBm	-0.8		4.2
Launch power in OMAouter minus TDECQ, each lane (min): for extinction ratio≥5 dB		dBm	-2.2
Launch power in OMAouter minus TDECQ, each lane (min): for extinction ratio < 5 dB		dBm	-1.9
Transmitter and dispersion penalty eye closure for PAM4	TDECQ	dB			3.4
Average Launch Power of Off Transmitter		dBm			-15
Optical Extinction Ratio	ER	dB	3.5
RIN17.1OMA		dB/Hz			-136
Optical Return Loss Tolerance	ORL	dB			15.5
Transmitter transition time (max)		ps			17
Transmitter reflectance		dB			-26
Receiver(per Lane)
Signaling Speed per Lane		GBd		53. 125± 100pm
Modulation format				PAM4
Input Operating Wavelength		nm	1304.5	1311	1317.5
Damage threshold		dBm	5
Average receive Power per Lane		dBm	-5.9		4
Receive Power (OMAouter)		dBm			4.2
Receiver reflectance (max)		dBm				-26
Stressed Receiver Sensitivity (OMAouter)		dBm				-1.9

Ordering Information

Part No.

Specifications

Application

Package

Data rate

Laser

Optical Power

Detector

Sensitivity

Temp

Reach

Others

RQ-100G-DR1

QSFP28

100G

EML

-2.9~4dBm

Max(-3.9,SEC Q-5.3)dBm

0~70 oC

500m

RoHS

100G Base Ethernet

Absolute Maximum Ratings

Parameter	Symbol	Unit	Min	Max
Storage Temperature Range	Ts	℃	-40	+85
Relative Humidity	RH	%	0	85
Power Supply Voltage	Vcc	V	-0.3	+3.6

Recommended Operating Conditions

Parameter	Symbol	Unit	Min	Typ	Max
Operating Case Temperature Range	Tc	oC	0	/	70
Power Supply Voltage	Vcc	V	3.135	3.3	3.465
Bit Rate(Per channel)	BR	Gbps		53.125

Optical Interface

Figure 1. Optical Interface

Note：Optical interface is duplex LC.

Principle diagram

Figure 2. Module Principle Diagram

Electric Ports Definition

Parameter	Symbol	Unit	Min	Typ		Max	Notes
Supply Voltage	VCC	V	3.14			3.47
Supply Current	ICC	mA				1100
Transmitter
Data Rate	BR	GBd		25.78125			NRZ
TX_DISABLE High	VDH	V	2			3.5	Input Voltage High
TX_DISABLE Low	VDL	V	-0.3			0.8	Input Voltage Low
TX_FAULT High [assert]	VFH	V	2			3.5	Output Voltage High
TX_FAULT Low [negated]	VFL	V	-0.3			0.8	Output Voltage Low
Receiver
Data Rate	BR	GBd			25.78125			NRZ
Differential Output Swing	VRXDIFF	mV	400			800		At TP4
Differential Eye Height	VEH	mV	228
Los-Output Voltage High	VOH	V	2			3.5		Output Voltage High
Loss-Output Voltage Low	VOL	V	-0.3			0.8		Output Voltage Low

Pin Description

No	Pin	Definition	Description	Note
1	1	GND	Ground	1
2	2	Tx2n	Transmitter Inverted Data Input
3	3	Tx2p	Transmitter Non-Inverted Data Input
4	4	GND	Ground	1
5	5	Tx4n	Transmitter Inverted Data Input
6	6	Tx4p	Transmitter Non-Inverted Data Input
7	7	GND	Ground	1
8	8	ModSelL	Module Select
9	9	ResetL	Module Reset
10	10	VccRx	+3.3V Power Supply Receiver	2
11	11	SCL	2-wire serial interface clock
12	12	SDA	2-wire serial interface data
13	13	GND	Ground	1
14	14	Rx3p	Receiver Non-Inverted Data Output
15	15	Rx3n	Receiver Inverted Data Output
16	16	Ground	Ground	1
17	17	Rx1p	Receiver Non-Inverted Data Output
18	18	Rx1n	Receiver Inverted Data Output
19	19	GND	Ground	1
20	20	GND	Ground	1
21	21	Rx2n	Receiver Non-Inverted Data Output
22	22	Rx2p	Receiver Inverted Data Output
23	23	Ground	Ground	1
24	24	Rx4n	Receiver Non-Inverted Data Output
25	25	Rx4p	Receiver Inverted Data Output
26	26	Ground	Ground	1
27	27	ModPrsL	Module Present
28	28	IntL	Interrupt
29	29	VccTx	+3.3V Power supply transmitter	2
30	30	Vcc1	+3.3v Power supply	2
31	31	LPMode	Low Power Mode
32	32	GND	Ground	1
33	33	Tx3p	Transmitter Non-Inverted Data Input
34	34	Tx3n	Transmitter Inverted Data Input
35	35	GND	Ground	1
36	36	Tx1p	Transmitter Non-Inverted Data Input
37	37	Tx1n	Transmitter Inverted Data Input
38	38	GND	Ground	1

Notes:

1. GND is the symbol for signal and supply (power) common for the QSFP28 module. All are common within the module and all module voltages are referenced to this potential unless otherwise noted. Connect these directly to the host board signal common ground plane.

2. VccRx, Vcc1 and VccTx are the receiving and transmission power suppliers and shall be applied concurrently. Recommended host board power supply filtering is shown in Figure 3 below. VccRx, Vcc1 and VccTx may be internally

connected within the module in any combination. The connector pins are each rated for a maximum current of 1000mA.

Figure 3. Electrical Pin-out Details

Module Memory Map

Figure 4 Digital Diagnostic Memory Map

Host Board Power Supply Filtering

Any voltage drop across a filter network on the host is counted against the host DC set

point accuracy specification. Inductors with DC Resistance of less than 0.1 Ohm should be used in order to maintain the required voltage at the Host Edge Card Connector. Figure is the suggested transceiver/host interface.