IC-DXC_11 Datasheet, PDF (10/11 Pages) IC-Haus GmbH – DIGITAL SENSOR I/O DRIVER

iC-DXC
DIGITAL SENSOR I/O DRIVER
TIMING DESCRIPTION
preliminary
Rev A0.8, Page 10/11
The iC-DXC has a built-in spurious pulse suppression
that prevents short (undesired) pulses at the input pins
from reaching the output. Every pulse at OE or NIN
pins shorter than 1.6 µs (cf. Electrical Characteristics
No. 306) will be ignored and the output will not re-
act. The minimum required pulse length to be sure
that the output reacts is 4 µs (cf. Electrical Characteris-
tics No. 307). That means that every pulse longer than
4 µs will be propagated to the output but with an addi-
tional propagation delay of 1.2 µs maximum. The re-
sulting maximum propagation delay is 5.2 µs (cf. Elec-
trical Characteristics No. 305).
tpio
ttrig()
tpcf
short-circuit
tdre
NIN
CVOUT
100nF..
VOUT
REG
+
5V
-
VREF
<150 C
DIGITAL INPUT
OE
NIN
MON
CFO
&
&
iC-DXC
FILT
=1
High Side Switch
NEP
36V
VB
..30V
VB
CVB
1μF
OUT
36V
EN
Low Side Switch
GND
GND
++ ^VRH
-
+ VRL
Figure 9: Block diagram with EN and NEP internal
signals
EN
NEP
OUT
CFO
MON
Figure 8: Timing diagram in push-pull operation
mode with OE high
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