U643 데이터 시트보기 (PDF) - Atmel Corporation

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U643

Flasher/ 30-mohm Shunt

Atmel Corporation 

3. Pin Configuration

Figure 3-1. Pinning

GND 1

8 SI

VS 2

REL 3

U643B

7 LD

6 VS

OSC 4

5 OSC

Table 3-1.

Pin

1

2

3

4

5

6

7

8

Pin Description

Symbol Function

GND

IC ground

VS

Supply voltage VS

REL

Relay driver

OSC

OSC

VS

LD

C1 Oscillator

R1 Oscillator

Supply voltage VS

Lamp failure detection

SI

Start input (49a)

U643B

3

4727B–AUTO–09/05

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