IN9151N-3 Ver la hoja de datos (PDF) - Integral Corp.

Número de pieza

componentes Descripción

Fabricante

IN9151N-3

PULSE DIALER

Integral Corp. 

Operation Procedures

Symbol Definitions:

DP: pulse digit (0 through 9)

ZiZiZi: conversation

0-0↑: off-hook.

0-0↓: on-hook.

* or # : Redial

Recommended Operations:

Normal Dialing:

0-0↑; DP ... DP; ZiZiZi; 0-0↓

Dial pulse begins as soon as first key is entered.

Debounced and detected on chip.

Redialing:

IN9151N-3

0-0↑; * or # key

(* or # key can be accepted as first key entry after

Off-Hook.)

Functional Description

1) N-channel open drain output - DP (Figure 1).

2) Clock oscillator

The clock oscillator consists of two inverters, with

the frequency of oscillation controlled by external

components connected to pins 6,7, and 8. The

circuit is sufficiently versatile to allow the use of a

variety of external component configurations. The

oscillator circuit is shown in figure 2.

Figure 1

Figure 2

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