Decoder timing

Encoder/Decoder cross reference table

Decoders

Part No.

Data Pins

Address Pins VT Pair Encoder

Package

Encoder

Decoder

DIP SOP DIP SOP

HT12D

4

8

Ö

HT12A

18

20

18

20

HT12E

18

20

HT12F

0

12

Ö

HT12A

18

20

18

20

HT12E

18

20

Address/Data sequence

The following table provides address/data sequence for various models of the 2

correct device should be chosen according to the requirements of the individual addresses and data.

Part No.

Address/Data Bits

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

6

July 12, 1999

2 c l o c k s

14

c hec k

4 w o r d s

4 w o r d s

E n c oder

DO UT

T r ans m i t t e d

C ont i nuo us l y

< 1 w o r d

E n c oder

T r ans m i s s i on

E nabl e

c hec k

D e c oder V T

Lat c h ed

Da t a O u t

2

c l o cks

14