HCPL-9000 Avago Technologies US Inc., HCPL-9000 Datasheet - Page 14

• Manufacturer Part Number: HCPL-9000
• Description: IC,Digital Coupler,CMOS,DIP,8PIN,PLASTIC
• Manufacturer: Avago Technologies US Inc.

Specifications of HCPL-9000

• Inputs - Side 1/side 2: 1/0
• Number Of Channels: 1
• Isolation Rating: 2500Vrms
• Voltage - Supply: 3 V ~ 5.5 V
• Data Rate: 100MBd
• Propagation Delay: 12ns
• Output Type: Tri-State
• Package / Case: 8-DIP (0.300", 7.62mm)
• Operating Temperature: -40°C ~ 100°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Propagation delay skew represents the uncertainty of
where an edge might be after being sent through a digital
isolator. Figure 5 shows that there will be uncertainty in
both the data and clock lines. It is important that these
two areas of uncertainty not overlap, otherwise the clock
signal might arrive before all of the data outputs have
settled, or some of the data outputs may start to change
before the clock signal has arrived. From these consider-
ations, the absolute minimum pulse width that can be
V
V
V
Figure 6. Timing Diagrams to Illustrate the Minimum Pulse Width, Rise and Fall Time, and Propagation Delay Enable to Output Waveforms for HCPL-9000
or HCPL-0900.
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Data subject to change. Copyright © 2005-2010 Avago Technologies. All rights reserved. Obsoletes 5989-0803EN
AV02-0137EN - July 14, 2010
t
t
t
IN
OUT
OE
PW
PLZ
PZH
50%
50%
Minimum Pulse Width
Propagation Delay, Low to High Impedance
Propagation Delay, High Impedance to High
t
PW
t
PLZ
t
PZH
t
t
t
t
PHZ
PZL
R
F
90%
www.avagotech.com
t
sent through digital isolators in a parallel application is
twice t
pulse width to ensure that any additional uncertainty in
the rest of the circuit does not cause a problem.
Figure 6 shows the minimum pulse width, rise and fall
time, and propagation delay enable to output waveforms
for HCPL-9000 or HCPL-0900.
F
Propagation Delay, High to High Impedance
Propagation Delay, High Impedance to Low
Rise Time
Fall Time
10%
PSK
. A cautious design should use a slightly longer
10%
90%
t
R
t
PHZ
t
PZL