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2008-09-02

LEARNING DECODER

EN/DECODER

M320D

一華半導體股份有限公司

MOSDESIGN SEMICONDUCTOR CORP.

ABSOLUTE MAXIMUM RATING

(TA=25℃)

Parameter

Rating

Unit

Supply Voltage

-0.3 to 6.0

V

Input Voltage

-0.3~V

DD +0.3

V

Operating Temperature

-20 to 75

℃

Storage Temperature

-40 to 125

℃

ELECTRICAL CHARACTERISTICS

Characteristics

Sym.

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

V

DD

2.4

4.5

5.5

V

Operating Current

I

OP

─

0.46

1

mA

No load

Output Drive Current

I

O

─

23.5

─

mA

@V

DS=1.2V

V

IH

V

DD –0.3

V

DD

V

DD

Input Voltage

V

IL

V

SS

V

SS

V

SS +0.3

V

Oscillator Frequency

Fosc

─

1.1

─

MHz

External±10%,Rosc=22KΩ,Cosc=20PF

PIN DESCRIPTION

No.

Pin name. I/O

Description

1

SK

O

Serial clock output for EEPROM (connected to SK pin of EEPROM)

2DATA

I/O

Input data from EEPROM or output the received data to the EEPROM.

(Connected to DO and DI) pin of EEPROM

3

RES

I

Input for resetting the chip, active low.

4

VSS

Negative power supply (GND)

5~8

D0~D3

O

Output data pin, active high

9

VT

O

Valid receiving indication, active high

10

LED

O

The LED current for learning status indication.

11

LRN

I

To set the chip into the learning mode, or to erase EEPROM data, active low.

12

LM

I

When the LH pin disconnected, the data output is of the latch type.

When the LH pin connected to VSS, the data output is of the momentary type.

13

VDD

Positive power supply.

14

OSCI

I

Oscillator input pin,

It connects to an external oscillator resistor and capacitor.

15

DIN

I

Serial information input pin from an RF or an IR receiver

16

CS

O

EEPROM chip selection signal output (connected to CS pin of EEPROM)

M320DP

116

89

SK

DATA

VSS

D0

D1

D2

D3

CS

DIN

OSCI

VDD

LM

LED

VT

RES

LRN