HCPL0637 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

HCPL0637

High Speed-10 MBit/s Logic Gate Optocouplers

Fairchild Semiconductor 

Pulse Gen.

tf = tr = 5 ns

ZO = 50 Ω

1

2

Input

Monitor

3

(IF)

47Ω 4

VCC 8

7

.1μf

Bypass

6

GND 5

+5V

Pulse Gen.

ZO = 50 Ω

tf = tr = 5 ns

IF

Input

RL

Monitoring

Node

Output

(VO)

CL

RM

Test Circuit for HCPL0600,

HCPL0601 and HCPL0611

Dual Channel

1

VCC 8

2

7

3

6

4

5

GND

+5 V

RL

0.1μF

Bypass

Output VO

Monitoring

Node

CL*

Input

(I F)

tPHL

Output

(VO)

Output

(VO)

tf

Test Circuit for HCPL0637,

HCPL0638 and HCPL0639

I F = 7.5 mA

I F = 3.75 mA

tPLH

90%

10 %

1.5 V

tr

Fig. 20 Test Circuit and Waveforms for tPLH, tPHL, tr and tf.

Pulse

Generator

tr = 5ns

ZO = 50Ω

1

7.5 mA

2

3

4

Input

Monitor

(V E)

+5V

VCC

8

7

.1μf

bypass

6

5

GND

RL

Output

(VO)

CL

Input

(VE )

tEHL

Output

(VO)

Fig. 21 Test Circuit tEHL and tELH.

t ELH

3.0 V

1.5 V

1.5 V

©2006 Fairchild Semiconductor Corporation

HCPL06XX Rev. 1.0.9

11

www.fairchildsemi.com

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