MC145026

•MC145027•MC145028•SC41343•SC41344

MOTOROLA

11

DATA PERIOD

ENCODER

OSCILLATOR

(PIN 12)

Dout

(PIN 15)

ENCODED

“ONE”

ENCODED

“ZERO”

ENCODED

“OPEN”

Figure 11. Encoder Data Waveforms

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400

300

200

100

VDD = 15 V

VDD = 10 V

VDD = 5 V

Figure 12. fmax vs Clayout — Decoders Only

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

10

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40

50