Specifications

13
Ethernet 20 MBd Link (HFBR-14X4/24X6)
(refer to Application Note 1038 for details)
Typical Link Performance
Parameter Symbol Typ.
[1,2]
Units Conditions
Receiver Sensitivity -34.4 dBm 20 MBd D2D2 Hexadecimal Data
average 2 km 62.5/125 µm fiber
Link Jitter 7.56 ns pk-pk ECL Out Receiver
7.03 ns pk-pk TTL Out Receiver
Transmitter Jitter 0.763 ns pk-pk 20 MBd D2D2 Hexadecimal Data
Optical Power P
T
-15.2 dBm 20 MBd D2D2 Hexadecimal Data
average Peak I
F,ON
= 60 mA
LED rise time t
r
1.30 ns 1 MHz Square Wave Input
LED fall time t
f
3.08 ns
Mean difference |t
r
-t
f
| 1.77 ns
Bit Error Rate BER 10
-10
Output Eye Opening 36.7 ns At AUI Receiver Output
Data Format 50% Duty Factor 20 MBd
Notes:
1. Typical data at T
A
= 25°C, V
CC
= 5.0 V dc.
2. Typical performance of circuits shown in Figure 1 and Figure 3 of AN-1038 (see applications support section).
Token Ring 32 MBd Link (HFBR-14X4/24X6)
(refer to Application Note 1065 for details)
Typical Link Performance
Parameter Symbol Typ.
[1,2]
Units Conditions
Receiver Sensitivity -34.1 dBm 32 MBd D2D2 Hexadecimal Data
average 2 km 62.5/125 µm fiber
Link Jitter 6.91 ns pk-pk ECL Out Receiver
5.52 ns pk-pk TTL Out Receiver
Transmitter Jitter 0.823 ns pk-pk 32 MBd D2D2 Hexadecimal Data
Optical Power Logic Level “0” P
T ON
-12.2 dBm peak Transmitter TTL in I
F ON
= 60 mA,
Optical Power Logic Level “1” P
T OFF
-82.2
LED Rise Time t
r
1.3 nsec 1 MHz Square Wave Input
LED Fall Time t
f
3.08 nsec
Mean Difference |t
r
-t
f
| 1.77 nsec
Bit Error Rate BER 10
-10
Data Format 50% Duty Factor 32 MBd
Notes:
1. Typical data at T
A
= 25°C, V
CC
= 5.0 V dc.
2. Typical performance of circuits shown in Figure 1 and Figure 3 of AN-1065 (see applications support section)
I
F OFF
= 1 mA