Rainbow Electronics MAX3295 - Manual (Page 3)

MAX3293/MAX3294/MAX3295
20Mbps, +3.3V, SOT23 RS-485/
RS-422 Transmitters
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SWITCHING CHARACTERISTICS (MAX3293)
(V CC = +3.3V ±5%, T A = +25°C, unless otherwise noted. Typical values are at V CC = +3.3V.)
SWITCHING CHARACTERISTICS (MAX3294)
(V CC = +3.3V ±5%, T A = +25°C, unless otherwise noted. Typical values are at V CC = +3.3V.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
t PLH 400 1300
Driver Propagation Delay
t PHL
Figures 2, 3; R DIFF = 54 Ω,
C L = 50pF 400 1300
ns
t
R
400 1200 Driver Differential Output Rise
or Fall Time
t F
Figures 2, 3; R DIFF = 54 Ω,
C L = 50pF 400 1200
ns
Driver Output Skew t SKEW
Figures 2, 3; R DIFF = 54 Ω, C
L = 50pF,
t SKEW = | t PLH - t PHL | (Note 5)
-400 +400 ns
Differential Driver Output Skew t DSKEW Figures 2, 3; R DIFF = 54 Ω, C
L = 50pF -100 +100 ns
Maximum Data Rate Figures 2, 3; R DIFF = 54 Ω, C
L = 50pF 250 kbps
Driver Enable to Output High t ZH
Figures 4, 5; S2 closed, R L = 500 Ω,
C L = 100pF
2000 ns
Driver Enable to Output Low t ZL
Figures 4, 5; S1 closed, R L = 500 Ω,
C L = 100pF
2000 ns
Driver Disable Time from Low t LZ
Figures 4, 5; S1 closed, R L = 500 Ω,
C L = 100pF
1000 ns
Driver Disable Time from High t HZ
Figures 4, 5; S2 closed, R L = 500 Ω,
C L = 100pF
1000 ns
Device-to-Device Propagation
Delay Matching Same power supply, maximum temperature
difference between devices = +30°C (Note 5)
900 ns
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
t PLH 24 70
Driver Propagation Delay
t PHL
Figures 2, 3; R
DIFF
= 54 Ω,
C L = 50pF 24 70
ns
t R 10 70 Driver Differential Output Rise
or Fall Time
t F
Figures 2, 3; R DIFF = 54 Ω,
C L = 50pF 10 70
ns
Driver Output Skew t SKEW
Figures 2, 3; R DIFF = 54 Ω, C
L = 50pF,
t SKEW = | t PLH - t PHL | (Note 5)
-40 +40 ns
Differential Driver Output Skew t
DSKEW
Figures 2, 3; R
DIFF
= 54 Ω, C
L
= 50pF -6 +6 ns
Maximum Data Rate Figures 2, 3; R DIFF = 54 Ω, C
L = 50pF 2.5 Mbps
Driver Enable to Output High t ZH
Figures 4, 5; S2 closed, R L = 500 Ω,
C L = 100pF
400 ns
Driver Enable to Output Low t ZL
Figures 4, 5; S1 closed, R L = 500 Ω,
C L = 100pF
400 ns
Driver Disable Time from Low t LZ
Figures 4, 5; S1 closed, R L = 500 Ω,
C L = 100pF
100 ns
Driver Disable Time from High t HZ
Figures 4, 5; S2 closed, R L = 500 Ω,
C L = 100pF
100 ns
Device-to-Device Propagation
Delay Matching Same power supply, maximum temperature
difference between devices = +30°C (Note 5)
46 ns