U6808B ATMEL Corporation, U6808B Datasheet - Page 2

• Manufacturer Part Number: U6808B
• Description: Special Fail-safe Ic
• Manufacturer: ATMEL Corporation

2. Pin Configuration
Figure 2-1.
Table 2-1.
2
Pin
1
2
3
4
5
6
7
8
U6808B
Pinning SO8
Pin Description
ENABLE
Symbol
RESET
RELAY
WDC
GND
WDI
RIN
VS
Open collector
Digital output
Digital output
driver output
Analog input
Digital input
Digital input
Supply
Supply
Type
RELAY
GND
ENABLE
WDC
Function
Fail-safe relay driver
Standard ground
Negative reset signal
External RC for watchdog timer
Negative reset signal
Watchdog trigger signal
Activation of relay driver
5-V supply
1
2
3
4
8
7
6
5
RIN
WDI
RESET
VS
Logic
No signal: driver off
Low: driver on
No signal
Low: reset
No signal
Low: reset
Pulse sequence
High: driver on
Low: driver off
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4707B–AUTO–10/05