Renesas PROM Programming Adapter PCA7408 Manual de usuario descargar pdf (Pagina 80)

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP

Rev.1.00 Oct 01, 2002 page 80 of 110

REJ03B0134-0100Z

Fig.12.1 Measurement

1

3

5

2

4

V

s

s

V

c

c

V

V

OH

or

V

OL

I

O

H

o

r

I

O

L

4

.

5

V

E

a

c

h

o

u

t

p

u

t

p

i

n

A

f

t

e

r

s

e

t

t

i

n

g

e

a

c

h

o

u

t

p

u

t

p

i

n

t

o

H

I

G

H

l

e

v

e

l

w

h

e

n

m

e

a

s

u

r

i

n

g

V

O

H

a

n

d

t

o

L

O

W

l

e

v

e

l

w

h

e

n

m

e

a

s

u

r

i

n

g

V

O

L

,

e

a

c

h

p

i

n

i

s

m

e

a

s

u

r

e

d

.

Vss

Vcc

5

.

0

V

Each input pin

V

s

s

V

c

c

V

BS

4

.

5

V

S

C

L

1

o

r

S

D

A

1

I

B

S

A

R

B

S

=

V

B

S

/

I

B

S

S

C

L

2

o

r

S

D

A

2

R

B

S

V

s

s

V

c

c

5

.

5

V

Each input pin

A

I

IZH

or

I

IZL

A

V

s

s

V

c

c

X

I

N

X

O

U

T

O

S

C

1

O

S

C

2

I

c

c

8

.

0

0

M

H

z

P

i

n

V

C

C

i

s

m

a

d

e

t

h

e

o

p

e

r

a

t

i

o

n

s

t

a

t

e

a

n

d

i

s

m

e

a

s

u

r

e

d

t

h

e

c

u

r

r

e

n

t

,

w

i

t

h

a

c

e

r

a

m

i

c

r

e

s

o

n

a

t

o

r

.

+ Power source voltage

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 111 112

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