MAX13487E/MAX13488E
Half-Duplex RS-485-/RS-422-Compatible
Transceiver with AutoDirection Control
4 _______________________________________________________________________________________
SWITCHING CHARACTERISTICS—MAX13487E (continued)
(V
CC
= +5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +5V and T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Receiver Enable from Shutdown
to Output Low
t
RZL
(SHDN)
Figure 8 2200 ns
Receiver Enable Delay t
RED
Figure 3 70 ns
Time to Shutdown t
SHDN
50 340 700 ns
SWITCHING CHARACTERISTICS—MAX13488E
(V
CC
= +5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +5V and T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DRIVER
t
DPLH
50
Driver Propagation Delay
t
DPHL
R
L
= 110Ω, C
L
= 50pF, Figures 2 and 3
50
ns
t
HL
15
Driver Differential Output Rise or
Fall Time
t
LH
R
L
= 110Ω, C
L
= 50pF, Figures 2 and 3
15
ns
Maximum Data Rate 16 Mbps
Driver Disable Delay t
DDD
Figure 3 70 ns
Driver Enable from Shutdown to
Output High
t
DZH
SHDN
Figure 4 2.2 µs
Driver Enable from Shutdown to
Output Low
t
DZL
SHDN
Figure 4 2.2 µs
Time to Shutdown t
SHDN
50 340 700 ns
RECEIVER
t
RPLH
80
Receiver Propagation Delay
t
RPHL
C
L
= 15pF, Figures 5 and 6
80
ns
Receiver Output Skew t
RSKEW
C
L
= 15pF, Figure 6 13 ns
Maximum Data Rate 16 Mbps
Receiver Enable to Output High t
RZH
Figure 7 50 ns
Receiver Enable to Output Low t
RZL
Figure 7 50 ns
Receiver Disable Time from High t
RHZ
Figure 7 50 ns
Receiver Disable Time from Low t
RLZ
Figure 7 50 ns
Receiver Enable from Shutdown
to Output High
t
RZH
(SHDN)
Figure 8 2200 ns
