AN6783 datasheet(4/9 Pages) PANASONIC

Part #	AN6783

Description	IC for long interval timer

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Manufacturer	PANASONIC [Panasonic Semiconductor]

Direct Link	http://www.panasonic.com/industrial/

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4

AN6783S

ICs for Timer

Pin No.

Equivalent circuit

Description

I/O

DC

voltage

3

Reset :

I



Reset input terminal.

F.F. is reset when the terminal becomes

low-level and is set in the initial state.

When not used, the terminal should be

open or connected to VCC .

The reset is applied by rising VCC from a

voltage below 0.8 V (power-on reset

function).

4



GND :



0 V

Grounding terminal.

5

CR :



0.7 V to 1.8 V

C and R connection terminal.

The oscillation period is determined by

an external resistor and capacitor.

When applying a pulse to this terminal

from the outside, the voltage should be

within the range of 0 V to 3 V.

6

Out :

O

High-level

Output terminal.

VCC −1.4 V

A frequency which is 1/32768 of the

oscillation frequency is outputted.

Low-lebel

Use with an output current within

±10

< 0.4 V

mA.

7



VCC :



Supply voltage terminal.

8

Mon. :

O

High-level

Oscillation frequency monitor terminal.

VCC

The output is given from the first stage

of F.F. and a frequency which is 1/2 of

Low-level

the oscillation frequency fOSC is output-

< 0.4 V

ted. If not used, the terminal should be

open. This terminal is provided for con-

necting probe such as oscilloscope. Use

it with an output current under 100

µA.

s Terminal Equivalent Circuits (continued)

VCC

VS

Reset

CR

VS

VCC

Out

VCC

Mon.

RA

= 10 kΩ to 40 kΩ

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