±1 5 k V ES D-P ro t e c t e d , S le w -Ra t e -Lim it e d ,
Lo w -P o w e r, RS -4 8 5 /RS -4 2 2 Tra n s c e ive rs
SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E
(continued)
(V = 5V ±5%, T = T
to T , unless otherwise noted.) (Notes 1, 2)
MAX
CC
A
MIN
PARAMETER
SYMBOL
CONDITIONS
Figures 11 and 13, C = 100pF, S2 closed
MIN
TYP
MAX
UNITS
Driver Enable from Shutdown to
Output High (MAX481E)
t
t
t
t
45
100
ns
ZH(SHDN)
ZL(SHDN)
ZH(SHDN)
ZL(SHDN)
L
Driver Enable from Shutdown to
Output Low (MAX481E)
Figures 11 and 13, C = 100pF, S1 closed
45
100
1000
1000
ns
ns
ns
L
Receiver Enable from Shutdown
to Output High (MAX481E)
Figures 9 and 15, C = 15pF, S2 closed,
L
A - B = 2V
225
225
Receiver Enable from Shutdown
to Output Low (MAX481E)
Figures 9 and 15, C = 15pF, S1 closed,
L
B - A = 2V
SWITCHING CHARACTERISTICS—MAX483E, MAX487E/MAX488E/MAX489E
(V = 5V ±5%, T = T
to T , unless otherwise noted.) (Notes 1, 2)
MAX
CC
A
MIN
PARAMETER
Driver Input to Output
SYMBOL
CONDITIONS
MIN
250
250
TYP
800
800
MAX
2000
2000
UNITS
t
t
PLH
PHL
Figures 10 and 12, R
= 54Ω,
DIFF
DIFF
DIFF
ns
C
= C = 100pF
L2
L1
Figures 10 and 12, R
= C = 100pF
= 54Ω,
= 54Ω,
Driver Output Skew to Output
Driver Rise or Fall Time
t
20
800
ns
ns
SKEW
C
L1
L2
Figures 10 and 12, R
= C = 100pF
t , t
250
2000
R
F
C
L1
L2
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
t
Figures 11 and 13, C = 100pF, S2 closed
250
250
300
300
250
250
2000
2000
3000
3000
2000
2000
ns
ns
ns
ns
ZH
L
t
Figures 11 and 13, C = 100pF, S1 closed
L
ZL
LZ
HZ
t
Figures 11 and 13, C = 15pF, S1 closed
L
t
Figures 11 and 13, C = 15pF, S2 closed
L
t
t
PLH
PHL
Figures 10 and 14, R
= 54Ω,
DIFF
Receiver Input to Output
ns
ns
C
= C = 100pF
L2
L1
Figures 10 and 14, R
= C = 100pF
= 54Ω,
I t
- tPHL I Differential
DIFF
PLH
t
100
SKD
C
L1
L2
Receiver Skew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable Time from Low
Receiver Disable Time from High
Maximum Data Rate
t
Figures 9 and 15, C = 15pF, S1 closed
25
25
25
25
50
50
50
50
ns
ns
ZL
RL
t
Figures 9 and 15, C = 15pF, S2 closed
RL
ZH
t
LZ
Figures 9 and 15, C = 15pF, S1 closed
ns
RL
t
Figures 9 and 15, C = 15pF, S2 closed
ns
HZ
RL
f
t
, t < 50% of data period
PLH PHL
250
50
kbps
ns
MAX
Time to Shutdown
t
MAX483E/MAX487E (Note 5)
200
600
SHDN
Driver Enable from Shutdown to
Output High
MAX483E/MAX487E, Figures 11 and 13,
t
t
2000
ns
ns
ns
ns
ZH(SHDN)
C
= 100pF, S2 closed
L
Driver Enable from Shutdown to
Output Low
MAX483E/MAX487E, Figures 11 and 13,
= 100pF, S1 closed
t
2000
2500
2500
ZL(SHDN)
ZH(SHDN)
C
L
Receiver Enable from Shutdown
to Output High
MAX483E/MAX487E, Figures 9 and 15,
= 15pF, S2 closed
C
L
Receiver Enable from Shutdown
to Output Low
MAX483E/MAX487E, Figures 9 and 15,
= 15pF, S1 closed
t
ZL(SHDN)
C
35–9/MAX1487E
L
4
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
