SC3004
INFRARED REMOTE CONTROL TRANSMITTER OF 3004 CODE FORMAT
DESCRIPTION
SC3004 is a remote control transmitter utilizing CMOS Technology
specially designed for use on general purpose (RC-5) infrared
applications with low voltage supply and large debounce time.
SOP-24-375-1.27
FEATURES
* CMOS Technology
* Low Voltage Supply
* Bi-phase Transmission Technique
SDIP-24-300-2.54
APPLICATIONS
* Television
* VCR
* Audio Equipment
* Multi-Media System
* Personal Computer
ORDERING INFORMATION
Device
SC3004
SC3004S
package
SDIP-24-300-2.54
SOP-24-375-1.27
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATING
(T
amb
=25°C, unless otherwise specified)
Characteristics
Supply Voltage*
Input Voltage*
Output Voltage*
Operating Temperature
NOTE: * = with reference to Vss
Symbol
V
DD
V
IN
V
OUT
T
OPR
V
DD
=3 V
V
DD
=3 V
V
DD
=3 V
Test conditions
Value
V
SS
-0.3 ~ 5.5
-0.5 ~ V
DD
+0.5
-0.5 ~ V
DD
+0.5
-20~85
Unit
V
V
V
°C
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1
2005.12.15
Page 1 of 10
SC3004
ELECTRICAL CHARACTERISTICS
(T
amb
=25°C, unless otherwise specified)
Characteristics
Supply Voltage
Stand-By Current
Input
Current(KI0~KI7,C0~C3)
High Level Input Voltage
(KI0~KI7,C0~C3,SMS,T1,T2)
Low Level Input Voltage
(KI0~KI7,C0~C3,SMS,T1,T2)
Input Current Leakage
(KI0~KI7,C0~C3)
Input Current Leakage (OSC)
Input Leakage Current
(SMS,T1,T2)
High Level Output Voltage
(Dout, MDOUT)
Low Level Output Voltage
(Dout, MDOUT)
Output Current Leakage
(Dout, MDOUT)
Low Level Output Voltage
(KO0~KO7)
Output Current Leakage
(KO0~KO7)
Drive Current (Dout, MDout)
Operational Frequency
Symbol
V
DD
I
DD
I
IN
V
IH
V
IL
I
LEAK1
I
LEAK2
I
LEAK3
I
LEAK4
Test conditions
Freq=455KHz
V
DD
=3V (Output no load)
VI=0V T1=0 T2=0 SMS=0
V
DD
=3V,(KI0~KI7 And
C0~C3 Connected To V
DD
)
V
DD
=3V,( T1,T2,OSC,SMS
Connected To VSS)
V
I
=3V V
DD
=3V T1=T2=High
V
I
=0V V
DD
=3V T1=T2=High
V
I
=0V V
DD
=3V T1=T2=High
V
I
=3V V
DD
=3V T1=T2=High
VI=3V V
DD
=3V T=25°C
V
I
=0V V
DD
=3V T=25°C
V
DD
=3V I
OH
=0.4mA
V
DD
=3V I
OH
=0.6mA
V
o
=3V V
DD
=3V T=25°C
V
o
=0V V
DD
=3V T=25°C
V
DD
=3V I
OL
=0.3mA
V
o
=3V V
DD
=3V T=25°C
V
o
=3V V
DD
=3V T=-25~85°C
V
DD
=3V Vo=1.5V
V
DD
=3V
1.5
400
0
3
V
DD
- 0.3
V
V
OL
I
LEAK5
0.35
10
1
0.8
1
10
2
600
µA
V
µA
mA
KHz
4.5
0
0
0
15
0
0
0.7 V
DD
0.3 V
DD
1.0
1.0
1.0
30
1.0
1.0
Min
2.0
Typ
3.0
0
15
Max
5.5
10
600
Unit
V
µA
µA
V
V
µA
µA
µA
V
OH
V
OL
I
LEAK6
I
D
F
osc
PIN CONFIGURATIONS
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1
2005.12.15
Page 2 of 10
SC3004
PIN DESCRIPTION
PIN NO.
1
2
3-10
11-18
19
20
21
22
23
24
Symbol
NC
GND
KO0-KO7
KI0-KI7
CCI
LED
REM
OSCO
OSCI
V
DD
NOT CONNECT
Negative Power Supply
Scan Driver Pins
Key Sense Input Pins
User Code Select
Led Pin
Generate Output Data Pin (with carrier wave)
Oscillator output
Oscillator input
Power Supply
DESCRIPTIONS
FUNCTIONAL DESCRIPTION
SC3004 CODE FORMAT:
Start bit
1
Even/odd
1/0
S2
User code
S1
S0
D5
D4
Data code
D3
D2
D1
D0
User code can be set to one of following (decided by pin CCI):
line
S2 S1 S0
KO0
000
KO1
001
KO2
010
KO3
011
KO4
100
KO5
101
KO6
111
The SC3004 code format is showed as following:
3 bit user code
6 bit data code
star bit and even/odd bit
121ms
first key code(odd)
same key code
no key
1
167us
7.59ms
0
167us
5.06ms
Note: Even/odd bit: the bit will retake when a key is pressed.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1
2005.12.15
Page 3 of 10
SC3004
DATA CODE
Pin no
KO0
•
•
•
KI0
•
•
•
•
•
•
•
•
KI1
•
•
•
•
•
•
•
•
KI2
•
•
•
•
•
•
•
•
KI3
•
•
•
•
•
•
•
KI4
•
•
•
•
KO1
KO2
KO3
KO4
KO5
KO6
KO7
Data code
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1
2005.12.15
Page 4 of 10
SC3004
(Continued)
Pin no
KI4
•
•
•
KI5
•
•
•
•
•
•
•
•
KI6
•
•
•
•
•
•
•
•
KI7
•
•
•
•
•
KO0
KO1
KO2
KO3
KO4
KO5
KO6
•
•
KO7
Data code
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1
2005.12.15
Page 5 of 10
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