2

408-432-9100/www.impweb.com

©

1999 IMP, Inc.

Pin Configuration

IMP1

232LP/LPS

Pin Descriptions

IMP1232LP

IMP1232LPS-2

IMP1232LPCMA

IMP1232LPEMA

5

1232_01.eps

RESET

6 RESET

7ST

8

4

3

2

GND

TOL

TD

PBRST

Ordering Information

1232_02.eps

IMP1232LPSN

13 ST

14 NC

16

4

3

2

1NC

TD

12 NC

5

NC

11 RESET

6

TOL

10 NC

7

NC

9 RESET

8

GND

NC

PBRST

NC

DIP/SO/MicroSO

SO

r

e

b

m

u

N

t

r

a

Pe

g

a

k

c

a

P

e

r

u

t

a

r

e

p

m

e

T

g

n

i

t

a

r

e

p

O

e

g

n

a

R

y

l

p

p

u

S

m

u

m

i

x

a

M

(

t

n

e

r

r

u

C

µ )

A

g

n

i

r

o

t

i

n

o

M

e

g

a

t

l

o

V

n

o

i

t

a

c

i

l

p

p

A

P

L

2

3

2

1

P

M

IP

I

D

-

80 C

°

0

7

o

tC

°

0

3V

5

S

P

L

2

3

2

1

P

M

IO

S

-

6

10 C

°

0

7

o

tC

°

0

3V

5

2

-

S

P

L

2

3

2

1

P

M

IO

S

-

80 C

°

0

7

o

tC

°

0

3V

5

A

M

C

P

L

2

3

2

1

P

M

IO

S

o

r

c

i

M

-

80 C

°

0

7

o

tC

°

0

3V

5

A

M

E

P

L

2

3

2

1

P

M

IO

S

o

r

c

i

M

-

80

4

–

C

°

5

8

o

tC

°

0

3V

5

N

P

L

2

3

2

1

P

M

IP

I

D

-

80

4

–

C

°

5

8

o

tC

°

0

3V

5

2

-

N

S

P

L

2

3

2

1

P

M

IO

S

-

80

4

–

C

°

5

8

o

tC

°

0

3V

5

N

S

P

L

2

3

2

1

P

M

IO

S

-

6

10

4

–

C

°

5

8

o

tC

°

0

3V

5

s

p

e

.

1

0

t

_

2

3

2

1

Pin Number

Pin Number

8-Pin P

N

ame

F

unction

1

2

PBRST

Debounced manual pushbutton RESET input

2

4

TD

3

6

TOL

point tolerance

4

8

GND

Ground

5

9

RESET

Active HIGH reset output. RESET is active:

2. If PBRST is LOW.

3. If ST is not strobed LOW before the timeout period set by TD expires.

4. During power-up.

6

11

RESET

Active LOW reset output. (See RESET)

7

13

ST

Strobe Input

815

5V power

—

1, 3, 5, 7, 10,

NC

No internal connection

12, 14, 16