Rainbow Electronics MAX3079E - Manual (Page 6)

MAX3070E–MAX3079E
+3.3V, ±15kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceivers
6 _______________________________________________________________________________________
DRIVER SWITCHING CHARACTERISTICS
MAX3076E/MAX3077E/MAX3078E/MAX3079E with SRL = GND (16Mbps)
(V
CC
= 3.3V ±10%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= 3.3V and T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
t DPLH 50
Driver Propagation Delay
t DPHL
C L = 50pF, R L = 54 Ω, Figures 2 and 3
50
ns
Driver Differential Output Rise or
Fall Time
t DR , t DF C L = 50pF, R L = 54 Ω, Figures 2 and 3 15 ns
Differential Driver Output Skew
|t
DPLH - t DPHL |
t DSKEW C L = 50pF, R L = 54 Ω, Figures 2 and 3 8 ns
Maximum Data Rate 16 Mbps
Driver Enable to Output High t DZH Figure 4 150 ns
Driver Enable to Output Low t DZL Figure 5 150 ns
Driver Disable Time from Low t DLZ Figure 5 100 ns
Driver Disable Time from High t DHZ Figure 4 100 ns
Driver Enable from Shutdown to
Output High
t DZH(SHDN) Figure 4 1250 1800 ns
Driver Enable from Shutdown to
Output Low
t DZL(SHDN) Figure 5 1250 1800 ns
Time to Shutdown t SHDN 50 200 600 ns
RECEIVER SWITCHING CHARACTERISTICS
MAX3076E/MAX3077E/MAX3078E/MAX3079E with SRL = GND (16Mbps)
(V
CC
= 3.3V ±10%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= 3.3V and T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
t RPLH 40 75
Receiver Propagation Delay
t
RPHL
C L = 15pF, Figures 6 and 7
40 75
ns
Receiver Output Skew
|t
RPLH - t RPHL |
t RSKEW C L = 15pF, Figures 6 and 7 8 ns
Maximum Data Rate 16 Mbps
Receiver Enable to Output Low t RZL Figure 8 50 ns
Receiver Enable to Output High t RZH Figure 8 50 ns
Receiver Disable Time from Low t RLZ Figure 8 50 ns
Receiver Disable Time from High t RHZ Figure 8 50 ns
Receiver Enable from Shutdown
to Output High
t RZH(SHDN) Figure 8 1800 ns
Receiver Enable from Shutdown
to Output Low
t RZL(SHDN) Figure 8 1800 ns
Time to Shutdown t
SHDN
50 200 600 ns