Rainbow-electronics MAX13486E Uživatelský manuál stáhnout pdf (Strana 9)

MAX13485E/MAX13486E

Half-Duplex RS-485/RS-422 Transceivers in µDFN

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1.5V

A, B

OUTPUT NORMALLY LOW

OUTPUT NORMALLY HIGH

DZL(SHDN)

DZL

DZH(SHDN)

DZH

DLZ

DHZ

2.3V

+ 0.5V

A, B

Figure 4. Driver Enable and Disable Times

ATE

RECEIVER

OUTPUT

Figure 6. Receiver Propagation Delay Test Circuit

OUTPUT

UNDER TEST

500Ω

Figure 5. Driver-Enable and -Disable-Timing Test Load

1.5V

-1V

f = 1MHz, t

≤ 3ns, t

≤ 3ns

RPHL

RPLH

RSKEW

= |t

RPHL

- t

RPLH

Figure 7. Receiver Propagation Delays

Test Circuits and Waveforms (continued)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Rainbow-electronics MAX13486E Uživatelský manuál Strana 9