Datasheet HT12D, HT12F (Holtek) - 5

HT12D/HT12F Encoder/Decoder Cross Reference Table Package Decoders Data Pins Address Pins VT Pair Encoder Encoder Decoder Part No. DIP SOP DIP SOP
HT12D 4 8 Ö HT12A 18 20 18 20 HT12E HT12F 0 12 Ö HT12A 18 20 18 20 HT12E
Address/Data Sequence
The following table provides address/data sequence for various models of the 212 series of decoders.
Address/Data Bits Part No. 0 1 2 3 4 5 6 7 8 9 10 11
HT12D A0 A1 A2 A3 A4 A5 A6 A7 D8 D9 D10 D11 HT12F A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11
Oscillator Frequency Vs Supply Voltage f o s c ( S c a l e ) R o s c (
9
)
4 . 0 0 2 7 k 9 3 . 5 0 3 0 k 9 3 3 k 9 3 . 0 0 3 6 k 9 3 9 k 9 4 3 k 9 2 . 5 0 4 7 k 9 5 1 k 9 2 . 0 0 5 6 k 9 6 2 k 9 6 8 k 9 7 5 k 9 1 . 5 0 8 2 k 9 1 0 0 k 9 ( 1 0 0 k H z ) 1 . 0 0 1 2 0 k 9 1 5 0 k 9 1 8 0 k 9 2 2 0 k 9 0 . 5 0 0 . 2 5 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3
V D D ( V D C )
Note: The recommended oscillator frequency is fOSCD (decoder) @ 50 fOSCE (HT12E encoder) @ 1 fOSCE (HT12A encoder). 3 Rev. 1.20 5 February 20, 2009 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings Electrical Characteristics Functional Description Application Circuits Package Information Product Tape and Reel Specifications