Alpha Bridge AQSF28-T-X5-PEL

Features

  • Compliant with SFF-8665/SFF-8679
  • Compliant with IEEE 802.3bj
  • 4 independent full-duplex channels
  • Up to 78125 Gbps data rate per channel
  • Up to 5m transmission
  • Single 3V power supply
  • Low insertion loss
  • BER better than 10-15
  • Operating temperature: -5 to +70℃
  • RoHS compliant

Application

  • 40G/100G Ethernet
  • Infiniband QDR/EDR

General Product Characteristics

QSFP28 Copper Specifications
Number of Lanes 4 Tx & Rx
Channel Data Rate 25.78125 Gbps/channel
Operating Case Temperature -5 to +70°C
Storage Temperature -40 to +85°C
Supply Voltage 3.3V nominal
Electrical Interface 20 pin edge connector
Management Interface Serial,I2C

High Speed Characteristics

Parameter Symbol Min. Max. Units Note
Differential Impedance RIN,P-P 90 110 Ώ  
Insertion loss SDD21   22.48 dB At 12.8906 GHz
Differential Return Loss SDD11 SDD22   See 1 See 2 dB dB At 0.05 to 4.1 GHz At 4.1 to 19 GHz
Common-mode to common- mode output return loss SCC11   S2CC2                                                                 2       dB     At 0.2 to 19 GHz
Differential to common-mode return loss SCD11 SCD22       See 3 See 4       At 0.01 to 12.89 GHz At 12.89 to 19 GHz
Differential to common Mode Conversion Loss SCD21   10   At 0.01 to 12.89 GHz
See 5 dB At 12.89 to 15.7 GHz
6.3   At 15.7 to 19 GHz
Channel Operating Margin COM 3 dB  

Pin Description

Pin Logic Symbol Description Plug Sequenc Notes
1   GND Ground 1 1
2 CML-I Tx2n Transmitter Inverted Data Input 3  
3 CML-I Tx2p Transmitter Non-Inverted Data Input 3  
4   GND Ground 1 1
5 CML-I Tx4n Transmitter Inverted Data Input 3  
6 CML-I Tx4p Transmitter Non-Inverted Data Input 3  
7   GND Ground 1 1
8 LVTTL-I ModSeIL Module Select 3  
9 LVTTL-I ResetL Module Reset 3  
10   Vcc Rx +3.3V Power Supply Receiver 2  
11 LVCMOSI/O SCL 2-wire serial interface clock 3 2
12 LVCMOSI/O SDA 2-wire serial interface data 3 2
13   GND Ground 1 1
14 CML-O Rx3p Receiver Non-Inverted Data Output 3  
15 CML-O Rx3n Receiver Inverted Data Output 3  
16     Ground 1 1
17 CML-O Rx1p Receiver Non-Inverted Data Output 3  
18 CML-O Rx1n Receiver Inverted Data Output 3  
19   GND Ground 1 1
20   GND Ground 1 1
21 CML-O Rx2n Receiver Inverted Data Output 3  
22 CML-O Rx2p Receiver Non-Inverted Data Output 3  
23   GND Ground 1 1
24 CML-O Rx4n Receiver Inverted Data Output 3  
25 CML-O Rx4p Receiver Non-Inverted Data Output 3  
26   GND Ground 1 1
27 LVTTL-O ModPrsL Module Present 3 2
28 LVTTL-O IntL Interrupt 3 2
29   Vcc Tx +3.3V Power Supply transmitter 2  
30   Vcc1 +3.3V Power Supply 2  
31 LVTTL-I LPMode Low Power Mode 3  
32   GND Ground 1 1
33 CML-I Tx3p Transmitter Non-Inverted Data Input 3  
34 CML-I Tx3n Transmitter Inverted Data Input 3  
35   GND Ground 1 1
36 CML-I Tx1p Transmitter Non-Inverted Data Input 3  
37 CML-I Tx1n Transmitter Inverted Data Input 3  
38   GND Ground 1 1

Ordering Information

Part Number Length (M) AWG Voltage Temperature
AQSF28-T-X5-PEL 0.5 30 3.3V 0°C to 70 °C
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