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ISO7840FDW Datasheet(PDF) 11 Page - Texas Instruments

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Part # ISO7840FDW
Description  High-Performance, 8000-VPK Reinforced Quad-Channel Digital Isolator
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ISO7840FDW Datasheet(HTML) 11 Page - Texas Instruments

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ISO7840, ISO7840F
www.ti.com
SLLSEN2B – JULY 2015 – REVISED APRIL 2016
Product Folder Links: ISO7840 ISO7840F
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Copyright © 2015–2016, Texas Instruments Incorporated
(1)
Also known as pulse skew.
(2)
tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same
direction while driving identical loads.
(3)
tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same
direction while operating at identical supply voltages, temperature, input signals and loads.
6.14 Switching Characteristics—2.5-V Supply
VCC1 = VCC2 = 2.5 V ±10% (over recommended operating conditions unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPLH, tPHL
Propagation delay time
See Figure 7
7.5
11.7
17.5
ns
PWD
Pulse width distortion(1) |tPHL – tPLH|
0.66
4.2
ns
tsk(o)
Channel-to-channel output skew time(2)
Same-direction Channels
2.2
ns
tsk(pp)
Part-to-part skew time(3)
4.5
ns
tr
Output signal rise time
See Figure 7
1
3.5
ns
tf
Output signal fall time
1.2
3.5
ns
tPHZ
Disable propagation delay, high-to-high impedance
output
See Figure 8
22
45
ns
tPLZ
Disable propagation delay, low-to-high impedance
output
22
45
ns
tPZH
Enable propagation delay, high impedance-to-high
output for ISO7840
18
45
ns
Enable propagation delay, high impedance-to-high
output for ISO7840F
2
2.5
μs
tPZL
Enable propagation delay, high impedance-to-low
output for ISO7840
2
2.5
μs
Enable propagation delay, high impedance-to-low
output for ISO7840F
18
45
ns
tfs
Default output delay time from input power loss
Measured from the time VCC goes below 1.7 V.
See Figure 9
0.2
9
μs
tie
Time interval error
216 – 1 PRBS data at 100 Mbps
0.91
ns


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