MC145028 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC145028

Encoder and Decoder Pairs CMOS

Freescale Semiconductor 

TE 11

14

RS

RTC

CTC

12

13

3–PIN

OSCILLATOR

AND

ENABLE

÷4

DIVIDER

DATA SELECT

AND

BUFFER

15 Dout

RING COUNTER AND 1–OF–9 DECODER

98 76543 21

A1 1

A2 2

A3 3

A4 4

A5 5

A6/D6 6

A7/D7 7

A8/D8 9

A9/D9 10

TRINARY

DETECTOR

VDD = PIN 16

VSS = PIN 8

Figure 1. MC145026 Encoder Block Diagram

CONTROL

LOGIC

SEQUENCER CIRCUIT

543 21

A1 1

A2 2

A3 3

A4 4

A5 5

11 VT

15

D6

14 D7

13

D8

12 D9

DATA

EXTRACTOR

C1

7

6 10 C2

R1

R2

9

Din

VDD = PIN 16

VSS = PIN 8

Figure 2. MC145027 Decoder Block Diagram

MC145026•MC145027•MC145028•SC41343•SC41344

2

MOTOROLA

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