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200G QSFP56 SR4 Transceiver

• Data center & Networking Equipment
• Servers/Storage Devices
• High Performance Computing (HPC)
• Switches/Routers
• Telecom Central Offices (CO)

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Model:
200G QSFP56 SR4 Transceiver
Brand:
zhaolong

Product Description

Application

• Data center & Networking Equipment

• Servers/Storage Devices

• High Performance Computing (HPC)

• Switches/Routers

• Telecom Central Offices (CO)

• Test and Measurement Equipment

Standards Compliance

• IEEE 802.3bs, IEEE 802.3cd

• SFF 8679

• CMIS4.0 or SFF8636

Features

• Data rate up to 212.5Gbps (4x PAM4 53Gbps);

• Reach up to 70m on MMF(OM3);

• Reach up to 100m on MMF(OM4);

• 850nm VCSEL laser and PIN receiver;

• High speed I/O electrical interface (200GAUI-4);

• I2C interface with integrated Digital Diagnostic monitoring;

• Single MPO-12 receptacle;

• Single +3.3V power supply;

• Power consumption <5 W;

• Operating case temperature: 0 to +70°C;

• Compliant to RoHS-10

Product Specification

Absolute Maximum Ratings (TC=25℃, unless otherwise noted)

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings will cause permanent damage and/or adversely affect device reliability.

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Storage Temperature	TS	-40	-	+85	℃
Maximum Supply Voltage	Vcc	-0.5	-	4.0	V
Operating Relative Humidity	RH	15	-	+85	%

General Specifications

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Operating Case Temperature	Tc	0	-	70	ºC
Power Supply Voltage	Vcc	3.13	3.3	3.47	V
Power Supply Current	Icc	-	-	1.5	A
Maximum Power Dissipation	PD	-	-	5	W
Lane Baud Rate	BRLANE		26.5625		GBd
Transmission Distance	TD		-	70	m	Over MMF OM3
Transmission Distance	TD		-	100	m	Over MMF OM4

PIN Descriptions

Figure 1 – Pin Definitions

Pin	Symbol	Name/Description	Ref.
1	GND	Ground	1
2	Tx2n	Transmitter Inverted Data Input
3	Tx2p	Transmitter Non-Inverted Data Input
4	GND	Ground	1
5	Tx4n	Transmitter Inverted Data Input
6	Tx4p	Transmitter Non-Inverted Data Input
7	GND	Ground	1
8	ModSelL	Module Select
9	ResetL	Module Reset
10	Vcc Rx	+3.3 V Power supply receiver
11	SCL	2-wire serial interface clock
12	SDA	2-wire serial interface data
13	GND	Ground	1
14	Rx3p	Receiver Non-Inverted Data Output
15	Rx3n	Receiver Inverted Data Output
16	GND	Ground	1
17	Rx1p	Receiver Non-Inverted Data Output
18	Rx1n	Receiver Inverted Data Output
19	GND	Ground	1

Pin	Symbol	Name/Description	Ref.
20	GND	Ground	1
21	Rx2n	Receiver Inverted Data Output
22	Rx2p	Receiver Non-Inverted Data Output
23	GND	Ground	1
24	Rx4n	Receiver Inverted Data Output
25	Rx4p	Receiver Non-Inverted Data Output
26	GND	Ground	1
27	ModPrsL	Module Present
28	IntL	Interrupt
29	Vcc Tx	+3.3 V Power supply transmitter
30	Vcc1	+3.3 V Power Supply
31	LPMode	Low Power Mode
32	GND	Ground	1
33	Tx3p	Transmitter Non-Inverted Data Input
34	Tx3n	Transmitter Inverted Data Input
35	GND	Ground	1
36	Tx1p	Transmitter Non-Inverted Data Input
37	Tx1n	Transmitter Inverted Data Input
38	GND	Ground	1

Notes:[1] Circuit ground is internally isolated from chassis ground.

Electrical Characteristics

Parameter	Symbol	Min		Typical	Max	Units	Notes
Receiver electrical output characteristics at TP4
Signaling rate per lane			26.5625			GBd
AC common-mode output voltage(RMS)			-		17.5	mV
Differential peak-to-peak output voltage					900	mV
Near-end ESMW (Eye symmetry mask width)			0.265			UI
Near-end Eye height, differential		70				mV
Far-end ESMW (Eye symmetry mask width)			0.2			UI
Far-end Eye height, differential		30				mV
Far-end pre-cursor ISI ratio		-4.5			2.5	%

Differential termination mismatch			10	%
Transition time (min, 20% to 80%)	9.5			ps
DC common mode voltage	-350		2850	mV
Transmitter electrical input characteristics at TP1
Signaling rate, per lane		26.5625		GBd
Differential pk-pk input voltage tolerance	900			mV
Differential termination mismatch			10	%
Module stressed input test	Per Section 120E.3.4.1, IEEE802.3bs
Single-ended voltage tolerance range	-0.4		3.3	V
Common-mode voltage	-300		2800	mV

Optical Characteristics

Parameter	Symbol	Min	Typical	Max	Units	Notes
Transmitter
Center Wavelength	λc	840	850	860	nm
RMS Spectral width	∆λ			0.6	nm
Average Launch Power, each lane		-6.2	-	4	dBm
Optical Modulation Amplitude	OMA	-4.2	-	3	dBm
Launch power in OMA minus TDECQ		-5.6	-	-	dBm
Average Output Power (Laser Turn off)		-	-	-30	dBm
Extinction Ratio	ER	3	-	-	dB
Transmitter and dispersion eye closure (TDECQ), each lane	TDECQ	-	-	4.5	dB
TDECQ – 10log 10 (Ceq ), each lane				4.5	dB
Optical Return Loss Tolerance	ORLT	-	-	12	dB
RIN12 OMA				-128	dB/Hz
Encircled flux at 4.5μm				30	%
Encircled flux at 19μm		86			%
Receiver
Center Wavelength	λc	840	850	860	nm
Damage threshold		5	-	-	dBm
Average receive power, each lane		-8.4		4	dBm
Receive power, each lane (OMAouter)			-	3	dBm	1
Receiver sensitivity (OMAouter), each lane	Rx_sen			-6.5	dBm	1

Parameter	Symbol	Min	Typical	Max	Units	Notes
LOS Assert	LOSA	-20	-	-	dBm
LOS De-Assert	LOSD	-	-	-9	dBm
LOS Hysteresis	LOSH	0.5	-	5	dB

Notes: [1] Measured at TP3 for BER 2.4E-4 Pre-FEC

Module Memory Map

Figure 2 –Memory Map

Digital Diagnostic Specification

Parameter	Symbol	Accuracy	Units	Notes
Transceiver Case Temperature	DMI_TEMP	±5	℃	Over operating temp
Supply voltage monitor absolute error	DMI _VCC	±3%	V	Full operating range
Channel Bias current monitor	DMI_IBIAS	±3%	mA	Per channel
Channel RX power monitor absolute error	DMI_RX	±3	dB	Per channel
Channel TX power monitor absolute error	DMI_TX	±3	dB	Per channel

Optical Interface Lanes And Assignment

Figure 3 –Optical lanes Assignment

MPO receptacle with 8-degree angled end-face or 0-degree angled end-face for customers to choose

Mechanical Specifications

Unit: mm

Figure 4 – QSFP56 Mechanical Specifications

Product Information

Data Rate	Factor		Optical	Wavelength	Reach
200G	QSFP56	SR4	MPO	850nm	100m

ESD Safety Cautions

This transceiver is specified as ESD threshold 1KV for high speed data pins and 2KV for all others electrical input pins, tested per MIL-STD-883, Method 3015.4 /JESD22-A114-A (HBM). However, normal ESD precautions are still required during the handling of this module. This transceiver is shipped in ESD protective packaging. It should be removed from the packaging and handled only in an ESD protected environment.

Important Notice

The performance figures, data, and any illustrative material presented in this datasheet are typical and must be explicitly confirmed in writing by ZHAOLONG before they are deemed applicable to any specific order or contract.

By ZHAOLONG's policy of continuous improvement, specifications may change without prior notice. The publication of information in this datasheet does not imply exemption from patent or other protective rights held by ZHAOLONG or other parties. Additional details can be obtained from any ZHAOLONG sales representative.