M75178P datasheet(6/9 Pages) MITSUBISHI

6 / 9 page

MITSUBISHI

〈DIGITAL ASSP〉

M75176P, M75177P

M75178P, M75179P

RS-485 TRANSCEIVER

Receiver propagation delay time

P.G.

(Note 7)

Input

1.5V

Ω

M75177P is 3V

Test circuit

(Note 8)

Output

P.G.

(Note 7)

Input

1.5V

Ω

Test circuit

Ω

(Note 8)

Output

–1.5V

Input

VOH

VOL

1.5V

1.3V

tPLH

tPHL

1.5V

Output

1.3V

I/O waveform

VOH

(M75177P)

(M75176/178P)

1.5V

tPZH

1.5V

Output

S1 1.5V side

S2 open

S3 closed

Input

S1 1.5V side

S2 closed

S3 open

VOL

1.5V

tPZL

1.5V

4.5V

(M75177P)

(M75176/178P)

Output

Input

S1 1.5V side

S2 closed

S3 closed

VOH

1.3V

1.5V

tPHZ

0.5V

(M75177P)

(M75176/178P)

Output

Input

S1 1.5V side

S2 closed

S3 closed

VOL

1.5V

tPLZ

0.5V

1.3V

(M75177P)

(M75176/178P)

Output

Input

Note 7: The pulse generator is PRR

≤ 1MHz, duty ratio = 50%, tr ≤ 6ns, tf ≤ 6ns, ZOUT = 50Ω.

8: CL includes jigs and probe capacitance.

Receiver enable/disable time

Fig. 6

Fig. 7

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