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400G QSFP-DD AOC

400G QSFP-DD AOC

The TSQS-852HG-XXXC is an Eight-Channel, Pluggable, Parallel, Fiber-Optic QSFP Double Density for 2x200 Gigabit Ethernet Applications. This AOC is a high performance module for short-range multi-lane data communication and interconnect applications. It integrates eight data lanes in each direction with 8x26.5625GBd. Each lane can operate at 53.125Gbps up to 70 m using OM3 fiber or 100 m using OM4 fiber with FEC. These modules are designed to operate over multimode fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 76 contact edge type connector. 

Features of 400G QSFP-DD AOC

  • Hot-pluggable QSFP-DD form factor 

  • 8 channels full-duplex transceiver modules 

  • Transmission data rate up to 53Gbps per channel 

  • 8x53Gbps PAM4 transmitter and PAM4 receiver 

  • 8 channels 850nm VCSEL array 

  • 8 channels PIN photo detector array 

  • Internal CDR circuits on both receiver and transmitter channels 

  • Power consumption < 10W per end

  • Built-in digital diagnostic functions

  • Operating case temperature: 0℃~+70℃

  • RoHS6 compliant (lead free) 


Applications of 400G QSFP-DD AOC

  • 400G 100m Ethernet Applications


Specifications of 400G QSFP-DD AOC

Absolute Maximum Ratings
Recommended Operating Environment
Electrical characteristics

These values represent the damage threshold of the module.  Stress in excess of any of the individual Absolute Maximum Ratings can cause immediate catastrophic damage to the module even if all other parameters are within Recommended Operating Conditions.

Parameters

Symbol

Min.

Max.

Unit

Power Supply Voltage

VCC

-0.5

+3.6

V

Storage Temperature

Tc

-40

+85

°C

Relative Humidity1

RH

15

85

%

Notes:

  1. Non-condensing.


Recommended Operating Environment specifies parameters for which the electrical and optical characteristics hold unless otherwise noted. 

Parameter

Symbol

Min

Typical

Max

Unit

Power Supply Voltage

VCC

3.135

3.300

3.465

V

Operating Case Temperature

TC

0

25

70

°C


Parameter

Symbol

Min.

Typical

Max

Unit

Differential Input Voltage Amplitude1

Vin

900

-

-

mV

Differential Output Voltage Amplitude2

Vout

-

-

900

mV

Signaling rate per lane

DR

26.5625± 100 ppm

GBd

Differential termination mismatch

-

-

-

10

%

Skew

-

-

-

300

ps

Bit Error Rate

BER

-

-

2.4E-4

-

Input Logic Level High

VIH

2.0

-

VCC

V

Input Logic Level Low

VIL

0

-

0.8

V

Output Logic Level High

VOH

VCC-0.5

-

VCC

V

Output Logic Level Low

VOL

0

-

0.4

V


Notes:

1. Differential input voltage amplitude is measured between TxnP and TxnN

2. Differential output voltage amplitude is measured between RxnP and RxnN.


QSFP-DD Transceiver Electrical Pad Layout


400g-qsfp-dd-aoc.jpg

Figure 1 – QSFP-DD Compliant 76-pin connector (per QSFP-DD MSA)


Pin Definition of 400G QSFP-DD AOC

Pin

Symbol

Name/Description

1

GND

Module Ground

2

Tx2-

Transmitter inverted data input

3

Tx2+

Transmitter non-inverted data input

4

GND

Module Ground

5

Tx4-

Transmitter inverted data input

6

Tx4+

Transmitter non-inverted data input

7

GND

Module Ground

8

MODSEIL

Module Select

9

ResetL

Module Reset

10

VCCRx

+3.3V Receiver Power Supply

11

SCL

2-wire Serial interface clock

12

sda

2-wire Serial interface data

13

GND

Module Ground

14

RX3+

Receiver non-inverted data output

15

RX3-

Receiver inverted data output

16

GND

Module Ground

17

RX1+

Receiver non-inverted data output

18

RX1-

Receiver inverted data output

19

GND

Module Ground

20

GND

Module Ground

21

RX2-

Receiver inverted data output

22

RX2+

Receiver inverted data output

23

GND

Module Ground

24

RX4-

Receiver inverted data output

25

RX4+

Receiver non-inverted data output

26

GND

Module Ground

27

ModPrsL

Module Present, internal pulled down to GND

28

IntL

Interrupt output, should be pulled up on host board

29

VCCTx

+3.3V Transmitter Power Supply

30

VCC1

+3.3V Power Supply

31

InitMode

Initiallzation mode; In legacy QSFP applications, the InitMode pad is called LPMODE

32

GND

Module Ground

33

Tx3+

Transmitter non-inverted data input

34

Tx3-

Transmitter inverted data input

35

GND

Module Ground

36

Tx1+

Transmitter non-inverted data input

37

Tx1-

Transmitter inverted data input

38

GND

Module Ground

39

GND

Module Ground

40

Tx6-

Transmitter inverted data input

41

Tx6+

Transmitter non-inverted data input

42

GND

Module Ground

43

Tx8-

Transmitter inverted data input

44

Tx8+

Transmitter non-inverted data input

45

GND

Module Ground

46

Reserved

For future use

47

VS1

Module Vender Specific 1

48

VCCRx1

+3.3V Power Supply

49

VS2

Module Vender Specific 2

50

VS3

Module Vender Specific 3

51

GND

Module Ground

52

RX7+

Receiver non-inverted data output

53

RX7-

Receiver inverted data output

54

GND

Module Ground

55

RX5+

Receiver non-inverted data output

56

RX5-

Receiver inverted data output

57

GND

Module Ground

58

GND

Module Ground

59

RX6-

Receiver inverted data output

60

RX6+

Receiver inverted data output

61

GND

Module Ground

62

RX8-

Receiver inverted data output

63

RX8+

Receiver non-inverted data output

64

GND

Module Ground

65

NC

NO Connect

66

Reserved

For future use

67

VCCTx1

+3.3V Power Supply

68

VCC2

+3.3V Power Supply

69

Reserved

For future use

70

GND

Module Ground

71

Tx7+

Transmitter non-inverted data input

72

Tx7-

Transmitter inverted data input

73

GND

Module Ground

74

Tx5+

Transmitter non-inverted data input

75

Tx5-

Transmitter inverted data input

76

GND

Module Ground


Ordering Information of 400G QSFP-DD AOC

Part Number

Product Description

TSQS-854HG-XXXC

QSFP-DD 400G SR8 AOC  0ºC ~ +70ºC

XXX :001~070,1~70 Length in meters on OM3 MMF

XXX :001~100,1~100 Length in meters on OM4 MMF


References of 400G QSFP-DD AOC

1. QSFP-DD Hardware Specification for QSFP DOUBLE DENSITY 8X PLUGGABLE TRANSCEIVER Rev 5.0

2. CMIS V4.0

3. OIF CEI-56G-VSR-PAM4


Important Notice of 400G QSFP-DD AOC

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by T&S before they become applicable to any particular order or contract. In accordance with the T&S policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of T&S or others. Further details are available from any T&S sales representative.

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