SC8204
FAN REMTORE CONTROL DECODER
DESCRIPTION
SC8204 is a high performance electronic fan controller. Speed control,
off-timer, nature wind, sleep mode are all built into a single chip. Light
control, buzzer output, key control input, two working mode as well as
remote control decoding circuitry are all provided to build a full function
electronic fan with remote control capability having the highest
performance with the least external components. Pin assignment and
application circuit are optimized for easy PCB layout and cost saving for
electronic fan application.
SC8204 adopted SDIP-24 package.
SDIP-24-300-2.54
FEATURES
* High performance CMOS Technology
* Low power consumption
* Two speed modes: strong and low
* Memory start-up mode
* Two working mode
extension “F”
* Buzzer indicator function operation.
* Independent light controlling: extension “L”
* Two bits consumer code
* Built-in 455kHz oscillator circuit
* Time mode: A4: 0.5, 1, 2, 4 hour accumulated
N4: 0.5, 1, 2, 4hour non-accumulated
N3: 1, 2, 4 hour non-accumulated
N8: 1, 2, 4, 8 hour non-accumulated
* Fan remote controller
* Air cleaner
* Humidifier
* Heater
* Wind-warmer
APPLICATIONS
ORDERING INFORMATION
Part
SC8204N3F
SC8204N3FL
SC8204N3KF
SC8204N3KFL
SC8204N4F
SC8204N4FL
SC8204N4KF
SC8204N4KFL
SC8204A4F
SC8204A4FL
SDIP-24-300-2.54
Package
Accumulated
--
--
--
--
--
--
--
--
--
--
--
--
(To be continued)
Non-
accumulated
Independent
ON/OFF
--
--
Light control
--
--
--
--
--
--
--
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2004.08.03
Page 1 of 9
SC8204
(Continued)
Part
SC8204A4KF
SC8204A4KFL
SC8204N8F
SC8204N8FL
SC8204N8KF
SC8204N8KFL
Package
Accumulated
Non-
accumulated
--
--
Independent
ON/OFF
Light control
--
SDIP-24-300-2.54
--
--
--
--
--
--
--
--
Note:
“ indicated have four time output (0.5, 1, 2, 4 hours) accumulated timer mode.
A4”
“ indicated have four time output (0.5, 1, 2, 4 hours) non-accumulated timer mode.
N4”
“ indicated have three time output (1, 2, 4 hours) non-accumulated timer mode.
N3”
“ indicated have four time output (1, 2, 4, 8 hours) non-accumulated timer mode.
N8”
“ indicated have two working mode for selectable, and low wind start-up mode.
F”
“ indicated have light output mode.
L”
BLOCK DIAGRAM
V
DD
OSCI
OSCO
DI
OFF
TIMER
SPEED
MODE
SWING1
SWING2
LIGHT
SELECT
Key Sense
and
Working
Mode
Select and
LED Scan
Intput
Oscillator
Timing
V
SS
Speed
and
Assistant
Control
LOW
Fan
STR
COM 1
LED
Scan
COM 2
COM 3
BUZ
Rectifier
Decode
Timer
Buzzer
Swing
Light
Output
SHO1
SHO2
LTO
Memory
ABSOLUTE MAXIMUM RATING
(T
amb
=25°C)
Characteristics
Supply Voltage
Input/output Voltage
Power Consumption
Operating Temperature
Storage Temperature
Symbol
V
DD
V
IN
P
D
T
opr
T
stg
Ratings
-0.3~6
V
SS
-0.3V~V
DD
+0.3V
500
-10 ~ +70
-40~+125
Unit
V
V
mW
°C
°C
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2004.08.03
Page 2 of 9
SC8204
DC ELECTRICAL CHARACTERISTICS
(unless special, T
amb
=25°C, V
DD
=5.0V)
Characteristics
Supply Voltage
Static Consumption
Current
Input High Level Voltage
Input Low Level Voltage
OFF, MODE, SPEED,
TIMER Scan Output
Current
COM1~COM3 Scan
Output Sink Current
Drive Output Current
Buzzer Output Current
Oscillated Frequency
I
OL
I
OL
I
OH
f
OSC
V
DD
=5.0V, V
O
=0.7V
V
DD
=5.0V, V
O
=0.7V
V
DD
=5.0V, V
O
=3.5V
--
--
--
--
-40
-10
5
455
--
--
--
--
mA
mA
mA
kHz
I
OH
V
DD
=5.0V, V
O
=3.5V
--
10
--
mA
V
IH
V
IL
--
--
Symbol
V
DD
I
SB
--
V
DD
=5V, OSC stop, no load
Test condition
Min.
3.0
--
0.7V
DD
0
Typ.
5.0
1
--
--
Max.
6.0
--
V
DD
0.3V
DD
Unit
V
µA
V
V
PIN CONFIGURATION
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2004.08.03
Page 3 of 9
SC8204
PIN DESCRIPTION
SDIP-24
(1)
--
1
2
3
4
5
6
7
8
9
10
11
14
15
16
17
18
12,13, 19
20
21
22
23
24
--
SDIP-24
(2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Symbol
LIGHT
DI
OFF
TIMER
SPEED
MODE
COM1
COM2
COM3
SWING1
SWING2
SHO2
SHO1
FAN
STR
LOW
V
DD
NC
BUZ
OSCO
OSCI
SELECT
V
SS
LTO
Light control key input
Remote control sensor input
OFF control key input, shared with LED scan output
TIMER control key input and LED scan output
SPEED key control input and LED scan output
Normal wind and LED scan output (fan operating, the LED will on;
fan stop, the LED will off.)
Consumer code C2 and LED scan common port
Consumer code C1 and LED scan common port
LED scan common port
SWING1 key control input and consumer code select diode
connect port
SWING2 key control input and consumer code select diode
connect port
Swing2 drive output, level swing
Swing1 drive output, level swing
Cold wind drive output ,for consumer select ( in working mode
one)
Strong wind drive output
Low wind drive output
Positive power
NC
Buzzer drive output
455kHz oscillator input/output port
Working mode select pin ;
Connect Vss: mode one; non-connect: mode two.
Negative power
Light drive output
Function
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2004.08.03
Page 4 of 9
SC8204
FUNCTION DESCRIPTION
SC8204 is an electronic fan control IC, it use electronic touch switch and timer replace the traditional switch
and timer. SC8204 improved nature wind and sleep wind mode expect hold the traditional fan functions, and
improved a swing control and light control function. SC8204 cooperate with the SC5104 encode IC; implement
the remote control of the fan.
“OFF” key
It used to shut down the power of motor, fan stop operating, and the control circuit resume static state, and
stored the operate mode of power on. When started next time, it is activated into the operation mode stored in
the operation memory. (Timer will not be stored)
“ON/SPEED” key:
It start fan if pressed when fan is off.
Mode one: It turns on the fan with cold wind start-up. If successive pressing of ON/SPEED key, it will operate
as low wind, strong wind, cold wind, low wind, strong wind … … go along with cycle. Or the operation mode
stored in the operating memory. LED will on/off with key.
Mode two: It turns on the fan with low wind start-up .If successive pressing of ON/SPEED key, it will operate as
strong wind, low wind, strong wind … … go along with cycle. LED will on/off with key.
Separating “ON/OFF” key (extension K)
It start fan if pressed when fan is off.
Mode one: It turns on the fan with cold wind start-up. Cold wind LED will on.
Mode two: It turns on the fan with low wind start-up .Low wind LED will on.
It turn off the power when fan is on, fan stopped, control circuit resume static state, and stored the operate
mode into memory. When the fan turn on next time, it start in the operate mode in the memory (timer will not be
stored).
Separating “SPEED” key (extension K)
SPEED key is used to turn on the fan change speed of the fan.
Mode one: When successive pressing of SPEED key, it will operate as low wind, strong wind, cold wind, low
wind, strong wind … … go along with cycle. LED will on/off with key.
Mode two: When successive pressing of SPEED key, it will operate as low wind, strong wind, low wind, strong
wind … … go along with cycle. LED will on/off with key.
“WORKING MODE” select pin (extension F)
(Note The consumer may connect Vss or disconnect anything to select working mode in PCB.)
It used to select the working mode. Two working mode selectable.
Working mode one (SELECT pin connect to Vss): press “
ON/OFF”key or “
ON/SPEED” Buzzer output
,
“
Bi-Bi” pin”FAN”output to control cold assistant part, and always output. (Cold wind LED will on.)The “
,
FAN”
hasn’ output, until off 30 second after. The “
t
FAN”output has nothing to do with fan working. Follow successive
pressing of “
SPEED”or “
ON/SPEED”key, it will operate as low wind, strong wind, cold wind, low wind, strong
wind… … go along with cycle. LED will on/off with key.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2004.08.03
Page 5 of 9
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