MC145028 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC145028

Encoder and Decoder Pairs CMOS

Freescale Semiconductor 

ENCODER

OSCILLATOR

(PIN 12)

Dout

(PIN 15)

ENCODED

“ONE”

ENCODED

“ZERO”

ENCODED

“OPEN”

DATA PERIOD

Figure 11. Encoder Data Waveforms

500

400

VDD = 15 V

VDD = 10 V

300

200

VDD = 5 V

100

10

20

30

40

50

Clayout (pF) ON PINS 1 – 5 (MC145027); PINS 1 – 5 AND 12 – 15 (MC145028)

Figure 12. fmax vs Clayout — Decoders Only

MOTOROLA

MC145026•MC145027•MC145028•SC41343•SC41344

11

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