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U6809B датащи(PDF) 3 Page - ATMEL Corporation

номер детали U6809B
подробное описание детали  FAIL-SAFE IC WITH RELAY DRIVER AND LAMP DRIVER
PDF  16 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

U6809B датащи(HTML) 3 Page - ATMEL Corporation

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U6809B
4764A–AUTO–10/03
Pin Description
Pin
Name
Type
Function
Logic
1
RELI
Digital input
Activation of relay driver
Driver on: L
Driver off: H
2
LA1I
Digital input
Activation of lamp driver 1
Driver off: L
Driver on: H
3
LA2I
Digital input
Activation of lamp driver 2
Driver off: L
Driver on: H
4
RELO
Open-collector driver output
Fail-safe relay driver
Driver off:---
Driver on: L
5, 6
GND
Supply
Standard ground
7
FBLA1
Digital output
Feedback lamp1
See Table 1 on page 5 and
Table 2 on page 5
8
NRES
Digital output
Negative reset signal
Reset: L
No reset: H
9
PRES
Digital output
Positive reset signal
Reset: H
No reset: L
10
FBLA2
Digital output
Feedback lamp 2
See Table 1 on page 5 and
Table 2 on page 5
11
OSC
Analog input
External RC for watchdog timer
12
ENO
Open-collector output
Watchdog disable output
Watchdog ok: ---
Watchdog n ok: L
13
AUX, GND
Supply
Auxiliary ground of lamp drivers
14
LA2O
Open-collector driver output
Warning lamp driver
Driver off: ---
Driver on: L
15, 16, 17
GND
Supply
Standard ground
18
LA1O
Open-collector driver output
Warning lamp driver
Driver off: ---
Driver on: L
19
VS
Supply
5 V supply
20
WDI
Digital input
Watchdog trigger signal
Pulse sequence



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