©2005 Fairchild Semiconductor Corporation

www.fairchildsemi.com

6N137, HCPL2601, HCPL2611, HCPL2630, HCPL2631 Rev. 1.0.7

7

Test Circuits

47

PHL

t

F

I = 7.5 mA

1.5 V

90%

10%

7.5 mA

+5V

1.5 V

3.0 V

1.5 V

3

2

1

4

8

7

6

5

4

5

Pulse

1

2

3

Generator

tr = 5ns

Z = 50

Ω

O

8

7

6

+5V

GND

PLH

t

I = 3.75 mA

F

Output

O

(V )

Input

(I )

F

Output

(V )

O

f

t

r

t

CC

V

Output

(V )

O

L

R

C

L

(I )

Input

F

Monitor

O

Z = 50

Ω

Pulse

Generator

tr = 5ns

(V )

E

Input

Monitor

GND

V

CC

O

(V )

Output

L

R

L

C

(V )

Output

O

Input

(V )

E

EHL

tt

ELH

bypass

.1

µf

bypass

.1

µf