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Silan Microelectronics

SC73C1402E Datasheet Preview

SC73C1402E Datasheet

4BIT MCU FOR REMOTE CONTROLLER

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SC73C1402
4-BIT MCU FOR REMOTE CONTROLLER(MASK TYPE)
DESCRIPTION
SC73C1402 is one of Silan’s 4-bit CMOS single-chip micro-
controllers for infrared remote control transmitters (IRCTs). It can
be implemented in various IRCT circuits by mask option.
SOP-20-300-1.27
FEATURES
* Operating voltage range: (2.0 ~ 4.0V)
Low static power consumption (<1uA)
SOP-20-375-1.27
* Program memory: 2Kx 9 bits
The last 1K areas can also be used as data table
* Data memory (RAM): 16 x 4 bits
* Timer/counter: 10~15 bits
SSOP-20-300-0.65
* 20 I/O ports, where there is a 4-bit input, two 4-bit outputs and
two 4-bit programmable input/output ports(P53 is output but ORDERING INFORMATION
not used as keypress).
* Oscillator frequency (fosc):
Device
Package
300KHz~2MHz or 2MHz~6MHz selectable by mask option
SC73C1402
SOP-24-375-1.27
* Operating frequency (fmain):
SC73C1402A SOP-20-300-1.27
fmain=fosc (when fosc in the range of 300KHz~2MHz)
SC73C1402B SSOP-20-300-0.65
fmain=fosc/8 (when fosc in the range of 2MHz~6MHz)
* Carrier frequency: fmain/12
* Carrier duty: 1/2 or 1/3 duty selectable by program
* Instruction cycle: 5/fmain
SC73C1402C
SC73C1402D
SC73C1402E
SOP-20-375-1.27
DIE
SSOP-24-300-0.65
* Handles various user’s codes, repeat key, persist-key press APPLICATIONS
www.DataSheet4Ua.ncdommany other functions
* Power on reset
* Supports voltage-drop detection
* Supports 56 keys in 20-pin package, and 80 keys in 24-pin
package.
* Infrared remote control devices, such
as TV, Video Cassette Recorder, VTR,
laser phonograph and acoustics
remote controllers.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.12.19
Page 1 of 20




Silan Microelectronics

SC73C1402E Datasheet Preview

SC73C1402E Datasheet

4BIT MCU FOR REMOTE CONTROLLER

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BLOCK DIAGRAM
SC73C1402
ABSOLUTE MAXIMUM RATINGS (Tamb=25°C)
Characteristics
Supply Voltage
Input Voltage
Output Current
Power Consumption
Storage Temperature
Operating Temperature
Symbol
VDD
VIN
IOUT (P53)
PD
Tstg
Topr
Value
-0.3 ~ +5.0
-0.3~VDD+0.3
-6
500
-40~+125
-10~+70
www.DataSheet4U.com
ELECTRICAL CHARACTERISTICS (Tamb=25°C, VDD=3.0V)
Characteristics
Power Supply Voltage
Operating Current
Oscillation Frequency
Static Current
Input Pull-Down Resistor
High Input Voltage
Low Input Voltage
Symbol
VDD
IDD
FOSC
IDS
R
VIH
VIL
Test Conditions
All function
In operating
MASK1
MASK2
Oscillator stops
VDD=3V
P51, P52
P00-P03
P10-P13
--
--
Min.
2
--
300K
2M
--
50
80
0.7VDD
0
Typ.
--
--
455k
4M
--
65
95
--
--
Units
V
V
mA
mW
°C
°C
Max.
4
0.5
2M
6M
1
80
Units.
V
mA
Hz
Hz
µA
K
110 K
VDD
V
0.3VDD
V
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.12.19
Page 2 of 20



Part Number SC73C1402E
Description 4BIT MCU FOR REMOTE CONTROLLER
Maker Silan Microelectronics
Total Page 19 Pages
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SC73C1402E Datasheet PDF





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