LPCRLB31-K02C

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Product Detail

APPLICATIONS

l 200GBASE-FR4 Ethernet

l Switch & Router Connections

l Data Centers

Other 200G Interconnect Requirements

Compliance

l IEEE802.3cd

l CMIS Rev4.0

l OIF-CEI-04.0 56G-VSR-PSM4

l IEEE802.3bs Annex120E

l SFF-8024 Rev.4.6

l SFF-8679 Rev1.8

l SFF-8665 Rev1.9

Ordering information

Part NO.

Bit Rate (Gbps)

Laser (nm)

Distance

(km)

Media

DDMI

Detector

Temp（℃）

ESCRLB31-K02C

212.5

1264.5~1277.5

1284.5~1297.5

1304.5~1317.5

1324.5~1337.5

SMF

YES

0~70

I. Pin Diagram

Electrical Pin-out Details

II. Pin Descriptions

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	ModSe1L	Module Select
9	ResetL	Module Reset
10	Vcc Rx	+3.3V 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
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	+3.3V Power supply transmitter
30	Vcc1	+3.3V 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

Note：

QSFP56 uses common ground (GND) for all signals and supply (power). All the common within the QSFP56 module and all module voltages are referenced to this potential unless otherwise noted. Connected theses directly to the host board signal common ground plane.

VccRx, VccRx1, Vcc1, Vcc2, VccTx, and VccTx1 shall be applied concurrently. Requirements defined for the host side of the Host Card Edge Connector are listed in Table 4. VccRx, VccRx1, Vcc1, Vcc2, VccTx, and VccTx1 may be internally connected within the module in any combination. The connector Vcc pins are each rated for a maximum current of 1000mA.

All Vendor Specific, Reserved and No Connect pins may be terminated with 50 ohms to ground on the host. Pad 65 (No Connect) shall be left unconnected within the module. Vendor Specific and Reserved pads shall have an impedance to GND that is greater than 10 kOhms and less than 100pF

III. Absolute Maximum Ratings

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Storage Temperature Range	T_S	-40		85	ºC
Relative Humidity	H_A	5		85	%
Power Supply Voltage	V_CC	-0.5		4.0	V

IV. Recommended Operating Conditions

Data Rate Spcifications	Symbol	Min.	Typ.	Max.	Unit	Ref.
Supply Voltage	Vcc	3.135	3.3	3.465	V
Baud Rate(per channel )	BR		26.5625		GBd
Operating Case Temperature Range	Tc	0		70	℃

V. Optical Characteristics

Parameter Unit	Symbol	Min.	Min.	Typ.	Max.	Ref.
*Transmitter(per lane)*
Signaling Speed per Lane		GBd		26.5625
Modulation format				PAM4
Center wavelength	WL	nm	1264.5	1271	1277.5
		nm	1284.5	1291	1297.5
		nm	1304.5	1311	1317.5
		nm	1324.5	1331	1337.5
Side-mode suppression Ratio	SMSR	dB	30
Average Launch Power per Lane	TXPx	dBm	-4.2		4.7
Tx OMA per lane	TxOMA	dBm	-1.2		4.5
Optical Extinction Ratio	ER	dB	3.5
Transmitter and dispersion eye closure for PAM4 per Lane	TDECQ	dB			3.3
Optical Return Loss Tolerance	ORL	dB			16.5
Relative Intensity Noise	RIN	Db/Hz			-132
*Receiver(per lane)*
Signaling Speed per Lane		GBd		26.5625
Center wavelength	WL	nm	1264.5	1271	1277.5
		nm	1284.5	1291	1297.5
		nm	1304.5	1311	1317.5
		nm	1324.5	1331	1337.5
Damage Threshold	DT	dBm	5.7
Average receive Power per Lane	RXPx	dBm	-8.2		4.7
Receiver reflectance	Rfl	dB			-26
Receiver sensitivity (OMA outer ), (each lane，max)		dBm			-6
Stressed receiver sensitivity (OMAouter) ,each lane		dBm			-3.6

VI. Electrical Interface Characteristics

Parameter	Symbol	Unit	Min.	Typ.	Max.	Ref.
Supply Voltage	VCC	V	3.135	3.3	3.465
Power Consumption	Pc	W			6.5
Transceiver Power-on Initialize Time		ms			2000
*Transmitter*
Differential peak-to-peak input voltage tolerance		mV			900
Differential termination mismatch		%			10
Differential Input return loss(SDD11)		dB			See CEI-56G-VSR
Common-mode to differential conversion and differential to common-mode conversion (SCD11,SDC11)		dB			See CEI-56G-VSR
*Receiver*
Differential peak-to-peak output voltage tolerance		mV			900
DC Common Mode Voltage	Vcm	mV	-0.35		2.85
AC Common Mode Noise,RMS		mV			17.5
Differential termination mismatch		%			10
Differential output return loss (SDD22)		dB			See CEI-56G-VSR
Common-mode to differential conversion and differential to common-mode conversion (SCD22,SDC22)		dB			See CEI-56G-VSR
*IIC communication*
IIC Clock frequency	-	KHZ	/	400	1000
clock stretching	-	us	/	/	500
Data hold time	-	ns	300	/	/

VII. Recommended Interface Circuit

VIII. Mechanical Specifications (Unit:mm)

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