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PDF HI-8423 Data sheet ( Hoja de datos )
| Número de pieza | HI-8423 | |
| Descripción | 6-Channel / 8-Channel Discrete-to-Digital Interface | |
| Fabricantes | HOLTIC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HI-8423 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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December 2013
HI-8420, HI-8423
6-Channel / 8-Channel Discrete-to-Digital Interface
Sensing Open / Ground Signals
DESCRIPTION
The HI-8420 is a six channel discrete-to-digital interface
device. The HI-8423 has eight channels. Mixed-signal
CMOS technology is used to provide superior low-power
performance. The device inputs are configured to sense
Ground / Open discrete signals. The device outputs are
CMOS / TTL compatible and may be disabled (tri-state)
using the CE and OE pins.
The HI-8420 is a drop-in replacement for the DEI1026.
For added functionality, the Holt HI-8422 offers eight
channels of Open / Ground sensing and eight channels of
28V / Ground sensing in a single device.
BLOCK DIAGRAM
OE
CE
VDD
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
5K
5K
5K
5K
5K
5K
5K
5K
GND
9K
+
-
9K
+
-
9K
+
-
9K
+
-
9K
+
-
9K
+
-
9K
+
-
9K
+
-
9K 5K
3.25V Reference
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
FEATURES
! 6 or 8 independent Open / Ground sensing channels
! 5.0V single supply operation
! Low power CMOS technology
! Industrial and Extended temperature ranges
! HI-8420 is a drop in replacement for DEI1026
PIN CONFIGURATIONS
IN1 1
IN2 2
IN3 3
IN4 4
IN5 5
IN6 6
OE 7
CE 8
HI-8420PSI
HI-8420PST
16 GND
15 OUT1
14 OUT2
13 OUT3
12 OUT4
11 OUT5
10 OUT6
9 VDD
16-Pin Plastic SOIC package
(Narrow Body)
IN1 1
IN2 2
IN3 3
IN4 4
IN5 5
IN6 6
IN7 7
OE 8
CE 9
VDD 10
HI-8423PTI
HI-8423PTT
20 GND
19 OUT1
18 OUT2
17 OUT3
16 IN8
15 OUT4
14 OUT5
13 OUT6
12 OUT7
11 OUT8
20 Pin TSSOP package
FUNCTION TABLE
Discrete
Input
Open
Ground
X
X
CE OE Output
00
0
00
1
1 X High Z
X 1 High Z
(DS8420 Rev. F)
HOLT INTEGRATED CIRCUITS
www.holtic.com
12/13
1 page  
HI-8420, HI-8423
REVISION HISTORY
P/N Rev
DS8420 E
F
Date
08/04/10
12/10/13
Description of Change
Removed reference to lightning protected inputs throughout datasheet, increased discrete
input voltage range and added reference to available temperature ranges.
Update package information. Update solder reflow temperature in Absolute Maximum
Ratings table.
HOLT INTEGRATED CIRCUITS
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HI-8423.PDF ] | |
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