Rainbow-electronics MAX13486E Instrukcja Użytkownika Pobierz pdf (Strona 4)

MAX13485E/MAX13486E

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

4 _______________________________________________________________________________________

SWITCHING CHARACTERISTICS—MAX13485E (continued)

= +5V ±5%, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at V

= +5V and T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Receiver Enable to Output High t

RZH

Figure 8 50 ns

Receiver Enable to Output Low t

RZL

Figure 8 50 ns

Receiver Disable Time from High

RHZ

Figure 8 50 ns

Receiver Disable Time from Low

RLZ

Figure 8 50 ns

Receiver Enable from Shutdown

to Output High

RZH

(

SHDN

)

Figure 8

2200

Receiver Enable from Shutdown

to Output Low

RZL

(

SHDN

)

Figure 8

2200

Time to Shutdown t

SHDN

50 340

700

SWITCHING CHARACTERISTICS—MAX13486E

= +5V ±5%, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at V

= +5V and T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

DRIVER

DPLH

Driver Propagation Delay

DPHL

DIFF

= 54Ω, C

= 50pF, Figures 2 and 3

Driver Differential Output Rise or

Fall Time

DIFF

= 54Ω, C

= 50pF, Figures 2 and 3

Differential Driver Output Skew

DPLH

- t

DPHL

DSKEW

DIFF

= 54Ω, C

= 50pF, Figures 2 and 3 8 ns

Maximum Data Rate 16

Mbps

Driver Enable to Output High t

DZH

Figures 4 and 5 50 ns

Driver Enable to Output Low t

DZL

Figures 4 and 5 50 ns

Driver Disable Time from High t

DHZ

Figures 4 and 5 50 ns

Driver Disable Time from Low t

DLZ

Figures 4 and 5 50 ns

Driver Enable from Shutdown to

Output High

DZH

(

SHDN

)

Figures 4 and 5

2200

Driver Enable from Shutdown to

Output Low

DZL

(

SHDN

)

Figures 4 and 5

2200

Time to Shutdown t

SHDN

50 340

700

RECEIVER

RPLH

Receiver Propagation Delay

RPHL

= 15pF, Figures 6 and 7

Receiver Output Skew t

RSKEW

= 15pF, Figure 7 13 ns

Maximum Data Rate 16

Mbps

1 2 3 4 5 6 7 8 9 ... 15 16

MAX13485E/MAX13486E 1
6, 8, 10L UDFN.EPS 16

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