SPECIFICATIONS
(continued)
T
AMB
= T
MIN
to T
MAX
and V
CC
= +3.3V
±
5% unless otherwise noted.
PARAMETERS
SP3494 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, t
PLH
Receiver Input to Output, t
PHL
Differential Receiver Skew
Receiver Enable to
Output Low
Receiver Enable to
Output High
Receiver Disable from Low
Receiver Disable from High
SP3494 SHUTDOWN TIMING
Time to Shutdown
Driver Enable from Shutdown
to Output High
Driver Enable from Shutdown
to Output Low
Receiver Enable from
Shutdown to Output High
Receiver Enable from
Shutdown to Output Low
MIN.
TYP.
MAX.
UNITS
CONDITIONS
2.5
40
40
70
70
10
35
35
35
35
100
100
Mbps
ns
ns
ns
RE = 0V, DE = 0V
Figures 6 and 11
Figures 6 and 11
t
RSKEW
= t
RPHL
- t
RPLH
,
Figures 6 and 11
60
60
60
60
ns
ns
ns
ns
Figures 7 and 12;
S
1
closed, S
2
open
Figures 7 and 12;
S
2
closed, S
1
open
Figures 7 and 12;
S
1
closed, S
2
open
Figures 7 and 12;
S
2
closed, S
1
open
RE = 3.3V, DE = 0V
50
75
65
65
50
50
200
150
150
200
200
ns
ns
ns
ns
ns
Figures 4 and 10
Figures 5 and 10
Figures 7 and 12;
S
2
closed, S
1
open
Figures 7 and 12;
S
1
closed, S
2
open
SP3494 POWER REQUIREMENTS
Supply Current
No Load
Shutdown Mode
1000
800
2000
1500
10
µA
µA
µA
RE, DI = 0V or V
CC
; DE = V
CC
RE = 0V, DI = 0V or V
CC
; DE = 0V
DE = 0V, RE=V
CC
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
© Copyright 2002 Sipex Corporation
4
SIPEX [ SIPEX CORPORATION ]
