control transmitter. ET4205 Datasheet

ET4205 transmitter. Datasheet pdf. Equivalent

ET4205 Datasheet
Recommendation ET4205 Datasheet
Part ET4205
Description Remote control transmitter
Feature ET4205; General Description The ET4205 is remote control transmitter which uses CMOS technology. The ET4205 .
Manufacture Etek Microelectronics
Download ET4205 Datasheet

Etek Microelectronics ET4205
General Description
The ET4205 is remote control transmitter which uses CMOS technology. The ET4205 is suitable for remote control of TV,
VCR, FANS, Air­conditioners, Audio Equipments, Toys, Games etc. 
Program memory2,048 bytes (2,048 x 8bit)
Data memory (RAM)32 nibble (32 x 4bit)
3 levels of subroutine nesting
Operating frequency2.4MHz ~ 4MHz
Instruction cyclefOSC/48
Stop mode
Released stop mode by key input
Built in Power­on Reset circuit
Built in Transistor for I.R LED DriveIOL=250mA at VDD=3V and  VO=0.3V
Built in Low Voltage reset circuit
Built in a watch dog timer (WDT)
Low operating voltage1.2 ~ 3.6V @ 4MHz
20/24 SOP Package.
Pin Configuration

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