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L9779WD Datenblatt(PDF) 30 Page - STMicroelectronics

Teilenummer L9779WD
Bauteilbeschribung  Multifunction IC for engine management system
PDF  170 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD Datenblatt(HTML) 30 Page - STMicroelectronics

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Functional description
L9779WD
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DocID027452 Rev 5
Figure 12. KEY_ON voltage vs. status diagram
Table 7. KEY_ON pin electrical characteristics
Pin
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
KEY_ON
VKEYL
Input threshold low voltage
VB = 0 to 19 V
3.2
3.5
3.8
V
VKEYH
Input threshold high voltage
4.15
4.5
4.8
V
VKEYHYS Input voltage hysteresis
0.5
1
1.5
V
I_KEY
Input current
VB = 0 to 19 V
KEY_ON = 5 V
--
550
µA
tKEY
Filter time for switching on/off
VB = 0 to 19 V
7.5
16
24
ms
Rpd
Internal pull down resistor - NOT
tested - Guarantee by design
KEY_ON = 5 V
150
-
400
kΩ



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