AFBR-79E4Z Avago Technologies US Inc., AFBR-79E4Z Datasheet - Page 11

• Manufacturer Part Number: AFBR-79E4Z
• Description: 56T4986
• Manufacturer: Avago Technologies US Inc.

Specifications of AFBR-79E4Z

• Applications: Gigabit Ethernet
• Data Rate Max: 10.3125Gbps
• Supply Voltage: 3.3V
• Wavelength Typ: 850nm
• Lead Free Status / Rohs Status: Compliant

QSFP+ Transceiver Pad Layout
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
Figure 7. QSFP+ Transceiver Pad Layout
Notes:
1. GND is the symbol for signal supply (power) common for the QSFP+ module. All are common within the
2. Vcc Rx, Vcc1 and Vcc Tx are the receiver and transmitter power supplies and shall be applied concurrently.
11
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
QSFP+ module and all module voltages are referenced to this potential unless otherwise noted. Connect
these directly to the host board signal-common ground plane
GND
TX1n
TX1p
GND
TX3n
TX3p
GND
LPMode
Vcc1
VccTx
IntL
ModPrsL
GND
RX4p
RX4n
GND
RX2p
RX2n
GND
Logic
CML-I
CML-I
CML-I
CML-I
LVTTL-I
LVTTL-I
LVCMOS-I/O
LVCMOS-I/O
CML-O
CML-O
CML-O
CML-O
CML-O
CML-O
CML-O
CML-O
LVTTL-O
LVTTL-O
LVTTL-I
CML-I
CML-I
CML-I
CML-I
Viewed from Top
Top Side
Symbol
GND
Tx2n
Tx2p
GND
Tx4n
Tx4p
GND
ModSelL
ResetL
Vcc Rx
SCL
SDA
GND
Rx3p
Rx3n
GND
Rx1p
Rx1n
GND
GND
Rx2n
Rx2p
GND
Rx4n
Rx4p
GND
ModPrsL
IntL
Vcc Tx
Vcc1
LPMode
GND
Tx3p
Tx3n
GND
Tx1p
Tx1n
GND
Description
Ground
Transmitter Inverted Data Input
Transmitter Non-Inverted Data Input
Ground
Transmitter Inverted Data Input
Transmitter Non-Inverted Data Input
Ground
Module Select
Module Reset
+3.3V Power supply receiver
2-wire serial interface clock
2-wire serial interface data
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
Ground
Receiver Inverted Data Output
Receiver Non-Inverted Data Output
Ground
Receiver Inverted Data Output
Receiver Non-Inverted Data Output
Ground
Module Present
Interrupt
+3.3V Power supply transmitter
+3.3V Power Supply
Low Power Mode
Ground
Transmitter Non-Inverted Data Input
Transmitter Inverted Data Input
Ground
Transmitter Non-Inverted Data Input
Transmitter Inverted Data Input
Ground
Viewed from Bottom
Bottom Side
GND
TX2n
TX2p
GND
TX4n
TX4p
GND
ModSelL
ResetL
VccRx
SCL
SDA
GND
RX3p
RX3n
GND
RX1p
RX1n
GND
Plug Sequence
1
3
3
1
3
3
1
3
3
2
3
3
1
3
3
1
3
3
1
1
3
3
1
3
3
1
3
3
2
2
3
1
3
3
1
3
3
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Notes
1
1
1
2
1
1
1
1
1
1
2
2
1
1
1