Datasheet RX-3 Datasheet (SILAN)

Silan

3 is a CMOS LSIs designed for remote controlled car

3 has only 2 keys with 3 states, i.e. forward key

Semiconductors





REMOTE CONTROLLER WITH
TWO FUNCTIONS

DESCRIPTION

The RX­applications. The RX­for forward function, backward key for backward function, and stop
function if there is no signal.

FEATURES

* Wide operating voltage range (VCC=2.2 ~ 12V)
* Few external components are needed
* Typical oscillator frequency 76KHz
* RX-3 built-in Zener 3V
* 2 functions remote controller including forward/backward

PIN CONFIGURATION

VO2

1

NC

2
3

GND

SI

4

OSCI

OSCO

BACKWARD NC

RX-3

5

NC

6
7
8

16
15
14
13
12
11
10

9

VI2

VO1

VI1

NC

VDD

FORWARD

NC

BLOCK DIAGRAM

OSCI

5

Oscillator

OSCO

7

4

SI

VO1

15

VI1

14

VI2

16

VO2

1

AMP



ORDERING INFORMATION

Part No. Package

RX-3 DIP-16-300-2.54

Timing

Generator

Decoding

Circuit

Control

Logic

3

GND

Counter

PLA

Latch

Circuit

RX-3

DIP-16



TESTB

V

DD

12

BACKWARD

8

FORWARD

11

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Rev: 1.0 2000.12.31





1

Silan
Semiconductors



PIN DESCRIPTION

Pin No. Symbol Description

1 VO2 Inverter 2 output pin for signal amplify
2 NC No connection
3 GND Negative power supply
4 SI Input pin of the encoding signal
5 OSCI Oscillator input pin
6 NC No connection
7 OSCO Oscillator output pin
8 BACKWARD Backward output pin

9 NC No connection
10 NC No connection
11 FORWARD Forward output pin
12 VDD Positive power supply
13 NC No connection
14 VI1 Inverter 1 input pin for signal amplify
15 VO1 Inverter 1 output pin for signal amplify
16 VI2 Inverter 2 input pin for signal amplify

ABSOLUTE MAXIMUM RATINGS

Characteristic Symbol Value Unit

Supply Voltage V
Input / Output Voltage V
Operating Temperature T
Storage Temperature Tstg -25~125



DC
I/O

OPR

0.3~15 V

GND-0.3~VDD+0.3 V

-10~60

RX-3

°C
°C

ELECTRICAL CHARACTERISTICS

(VDD=6.0V,Fosc=76KHz, Tamb=25°C, unless otherwise specified.

Parameter Symbol Min Typ Max Unit

Operating Voltage V
Operating Current I
O/P Driving Current I
Effect Decoding Frequency Variation F

DD

DD

drive

tolerance

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

2





2.2 6 12 V

-- 9 -- mA

-- 5 -- mA

-20% -- 20% --

Rev: 1.0 2000.12.31





Silan
Semiconductors



TESTING CIRCUIT



(Fosc=76kHz)

RX-3

330Ω

PULSE

FUNCTION GENERATOR

100µf

6V

Forward = 1kHz

Backward = 250Hz

OUTPUT Signal

Data Format

Forward Signal: F1=1kHz

Backward Signal: F2=250Hz

F1=4F2 or F1=2F2 (Mask option)

TYPICAL APPLICATION CIRCUIT

3.3KΩ 100Ω
47µF

3.9MΩ
500P

F

330Ω

0.01µF

14 13 12 11 10 916 15

VI1VO1VI2 NC VDD

VO2 NC GND SI OSCI NC OSCO

3.3KΩ

0.002µF

0.002µF

0.1µF

15PF

5.6KΩ

3.3KΩ

10PF

L1

3.3KΩ

0.01µF

3.9KΩ

47PF

Q1

3.3µF1.2KΩ

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

14 13 12 11 10 916 15

VI1VO1VI2 NC VDD

VO2 NC GND SI OSCI NC OSCO

D1 IN4148

330Ω

RX-3

FOR

WARD

500KΩ

VR1

47µF

NC NC

BACK

WARD

91KΩ

220µF

100Ω

1KΩ

82 3 4 5 6 71

3

RX-3

Q9

1KΩ

FOR

WARD

91KΩ

Fosc=76kHz

Q12

M

Q11

NC NC

BACK

WARD

82 3 4 5 6 71

0.02µF

Q13

Q10

330Ω

Rev: 1.0 2000.12.31

Q8

100µ

F

100Ω

12V

SW

9V

0V





Silan
Semiconductors





PACKAGE OUTLINE

DIP-16-300-2.54 UNIT:mm

2.54

0.25

B

6.35

+0.3

1.52

19.55B0.3

-0

7.62

RX-3

0.05

B

0.25

15 degree

0.5MIN

0.46B0.08

4.36MAX3.00MIN

1.27MAX



HANGZHOU SILAN MICROELECTRONICS CO.,LTD

4

Rev: 1.0 2000.12.31



