Holtek HT12D-18DIP, 1 Decoder, Decoder, 1-of-8, 18-Pin PDIP

  • RS Stock No. 885-0702P
  • Mfr. Part No. HT12D-18DIP
  • Brand Holtek
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): TW
Product Details

HT12E/D Encoder/Decoder chipset

The HT12E/D chipset works with an Ir or RF transmitter and receiver device to make a 4-button wireless remote control system.

8-bit ID (Address) code set by switches
Encoder sends packet containing ID code and button-pressed data four times on serial channel
Decoder reads data packet and if ID matches it's own settings, data transferred to four data output pins
Received codes are checked three times
Power supply: +2.4V to +12Vdc
Operating temperature range: -20 to +75°C
Applications: Security systems, Smoke & fire alarm systems, Garage door controllers, Car door controllers, Car alarm systems

RS Product Codes
885-0692 HT12E-18DIP Encoder DIP18 package
885-0709 HT12E-20SOP Encoder SOP20 package
885-0702 HT12D-18DIP Decoder DIP18 package
885-0705 HT12D-20SOP Decoder SOP20 package

Specifications
Attribute Value
Logic Family HT12
Logic Function Decoder
Demultiplexing Capability 1-of-8
Number of Elements per Chip 1
Number of Input Enables per Element 8
Output Type CMOS
Mounting Type Through Hole
Package Type PDIP
Pin Count 18
Dimensions 23.37 x 7.11 x 4.95mm
Height 4.95mm
Length 23.37mm
Maximum Operating Supply Voltage 12 V
Maximum Operating Temperature +75 °C
Minimum Operating Temperature -20 °C
Minimum Operating Supply Voltage 2.4 V
Width 7.11mm
Discontinued product
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