Document Number: 82579

www.vishay.com

Revision 05-July-02

5

Figure 5. Infrared Reflow Soldering Profile

Figure 6. Super I/O (PC87338VLJ) to IRMS6452/IRMT6452

Figure 7. Ultra I/O controller with fast IR

(FDC37C93xFR) to IRMS6452/IRMT6452

Time ( s )

14874

0

20

40

60

80

100

120

140

160

180

200

220

240

0

50

100

150

200

250

300

350

2

°C - 4°C/s

10 s max.

@ 230

°C

90 s max

120 s - 180 s

2

°C - 4°C/s

0.1

µF

22

µF

6

8

5

3

4

1

GND

65

50

42

68

67

IR TxD

IR RxD

IR SLO

IRMX6452

GND

SD

TxD

RxD

LED

Anode

PC87338VLJ

0.1

µF

22

µF

6

8

5

3

4

1

GND

99

125

130

19

98

IR TxD

IR RxD

IR MODE

IRMX6452

GND

SD

TxD

RxD

LED

Anode

GND

FDC37C93XFR

Figure 8. Super I/O (PC87338VLJ) to IRMS6452/IRMT6452 with

Table 10. Slimline IRMS64XX Truth Table

Parameter

Values

Unit

2.7

3

3.3

>3.5

V

Resistor

0

1.8

4.7

6.8

Ω

Inputs

Outputs

SD

RxD

Detector

RxD

LED

High

2.4 to 5.5 V

X=don’t

care state

X=don’t

care state

Off

Low

2.4 to 5.5 V

High

On

2.4 to 5.5 V

Low

<0.4

(115 Kb/s)

High

Off

2.4 to 5.5 V

<1.0

(1 & 4 Mb/s)

2.4 to 5.5 V

Low

<4.0

(115 Kb/s)

Low

Off

2.4 to 5.5 V

<10.0

(1 & 4 Mb/s)

6

8

5

3

4

1

GND

65

50

42

67

68

IR TxD

IR RxD

IR SLO

IRMX6452

GND

SD

LED

Anode

C3=0.1 µF

C4=22 µF

VCC

PC87338VLJ

TxD

RxD