LPBQCM85-S10C

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Product Detail

APPLICATIONS

l 25/100G Ethernet

l InfiniBand QDR,EDR

COMPLIANCE

l QSFP28 MSA.

l IEEE802.3bm

l SFF-8636

l RoHS

Ordering information

Part No.

Bit Rate

(Gbps)

Wavelength (nm)

Distance（m）

Fiber Type

DDMI

Connector

Temp（℃）

ESBQCM85-S10C

4x25.78125

850

100

MMF

YES

MDC

0~70

I. Pin Diagram

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	VccTx	+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：

1.Circuit ground is internally isolated from chassis ground.

III. Absolute Maximum Ratings

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Storage Temperature	T_S	-40		85	ºC
Case Operating Temperature	T_O	0		75	ºC
Storage Ambient Relative Humidity	H_A	5		85	%
Maximum Supply Voltage	V_CC	-0.5		3.6	V
Receiver Damage Threshold		+3.4			dBm

IV. General Product Characteristics

Data Rate Spcifications	Symbol	Min.	Typ.	Max.	Unit	Ref.
Bit Rate(all wavelength combined)	BR			103.1	Gb/s	1
Bit Error Ratio(pre-FEC)	BER			10^-5		2
Link distance on OM3 MMF	d			70	meters	3
Link distance on OM4 MMF	d			100	meters	3

Notes:

1.Supports 100GBASE-SR4 per IEEE 802.3bm.

2. Tested with a PRBS 2³¹-1 test pattern.

3. Requires FEC on the host to support maximum distance, per 100GBASE-SR4.

V. Optical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Transmitter(per lane)
Average Output Power per lane	P_OUT	-6		2.4	dBm
Extinction Ratio	ER	2			dB
Center Wavelength	λC	840	850	860	nm
RMS Spectral Width	σ			0.6	nm
Transmitter OFF Output Power	POff			-30	dBm
Transmitter eye mask definition {X1,X2,X3,Y1,Y2,Y3}		{0.3,0.38,0.45,0.35,0.41,0.5}				1
Receiver(per lane)
Input Optical Wavelength	λ_IN	840	850	860	nm
Rx Sensitivity(OMA) per lane	R_SENS			-10.3	dBm	BER@5E-5
Input Saturation Power (Overload)	P_IN	+2.4			dBm
Receiver Reflectance	Rfl			-12	dBm
Loss of Signal Assert	P_A	-30			dBm
Loss of Signal De-assert	P_D			-12	dBm
LOS Hysteresis	P_D- P_A	0.5		6	dB

Note:

1. Hit Ratio 1.5x10-3 hit/sample.

VI. Digital Diagnostic Functions

ESBQCM85-S10C QSFP28 transceivers support the I2C-based diagnostics interface specified by the QSFP28 MSA.

VII. Electrical Interface Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Input Logic Level High	V_IH	3.15		V_CC +0.3	V
Input Logic Level Low	V_IL	V_EE -0.3		0.8	V
Output Logic Level High	V_OH	2.0		V_CC +0.3	V
Output Logic Level Low	V_OL	0		0.4	V
Transmitter
Signaling rate per lane		25.78125±100ppm			Gb/s
Differential pk-pk input voltage tolerance	Vin,pp,diff	200		1000	mV
Input Differential Impedance	Z_IN	90	100	110	Ω
Receiver
Signaling rate per lane		25.78125±100ppm			Gb/s
Differential pk-pk input voltage tolerance	Vin,pp,diff	200		1000	mV
Input Differential Impedance	Z_IN	90	100	110	Ω

VIII.Mechanical Specifications(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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