HT6P20F2T3 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT6P20F2T3

2(24) Encoder with ASK Transmitter

Holtek Semiconductor 

HT6P20B2T3/D2T3/F2T3

224 Encoder with ASK Transmitter

Code Word

A group of code bits is called a code word. A code word consists of one Synchronous bit followed by

address/data bits. Refer to the diagram below:

HT6P20B2T3

Synchronous Bit

HT6P20D2T3

Synchronous Bit

HT6P20F2T3

Synchronous Bit

A0~A21

A0~A19

A0~A18

D1~D0

D3~D0

D4~D0

0101

0101

0101

Timing Diagram

EN

DOUT

PLL

10Kbps

500us

315MHz, 433MHz

> 300ms~

500ms

300ms~

500ms

500us

300ms~

500ms

PAOUT

VDD vs. tDW

VDD

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

tDW (ms)

1.37

1.26

1.18

1.12

1.07

1.02

0.98

0.95

0.91

HT6P20x2T3 Power Input (VDD)

2.0

1.5

1.0

0.5

0.0

1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 4.0

VDD (voltage)

Rev. 1.00

6

September 13, 2010

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