Oscillator frequency vs supply voltage

The recommended oscillator frequency is fOSCD (decoder) @ 50 fOSCE (HT12E encoder)

@ 1

3

fOSCE (HT12A encoder).

212 Series of Decoders

fo s c

( S cal e)

Ro s c ( 9 )

0. 50

( 100k H z ) 1 . 0 0

1. 50

2.0 0

2.5 0

3. 50

4. 00

3. 00

0. 25

234

5

6

7

8

9

1 0

1 1

1 2

1 3

VD D ( V D C )

68 k

62k

56 k

51 k

47 k

43 k

39 k

36 k

33 k

30 k

27k

75 k

82k

10 0k

120k

15 0k

18 0k

22 0k