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SP3493 Datasheet, PDF (4/11 Pages) Sipex Corporation – +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
SPECIFICATIONS (continued)
TAMB = TMIN to TMAX and VCC = +3.3V ± 5% unless otherwise noted.
PARAMETERS
MIN. TYP.
SP3494 RECEIVER
AC Characteristics
Maximum Data Rate
2.5
Receiver Input to Output, tPLH 40
70
Receiver Input to Output, tPHL 40
70
Differential Receiver Skew
10
Receiver Enable to
Output Low
35
Receiver Enable to
Output High
35
Receiver Disable from Low
35
Receiver Disable from High
35
SP3494 SHUTDOWN TIMING
Time to Shutdown
50
75
Driver Enable from Shutdown
to Output High
65
Driver Enable from Shutdown
to Output Low
65
Receiver Enable from
Shutdown to Output High
50
Receiver Enable from
Shutdown to Output Low
50
SP3494 POWER REQUIREMENTS
Supply Current
No Load
Shutdown Mode
1000
800
MAX. UNITS CONDITIONS
Mbps RE = 0V, DE = 0V
100
ns Figures 6 and 11
100
ns Figures 6 and 11
ns
tRSKEW = tRPHL - tRPLH , Figures 6 and 11
60
ns Figures 7 and 12; S1 closed, S2 open
60
ns Figures 7 and 12; S2 closed, S1 open
60
ns Figures 7 and 12; S1 closed, S2 open
60
ns Figures 7 and 12; S2 closed, S1 open
200
ns RE = 3.3V, DE = 0V
150
ns Figures 4 and 10
150
ns Figures 5 and 10
200
ns Figures 7 and 12; S2 closed, S1 open
200
ns Figures 7 and 12; S1 closed, S2 open
2000
µA
RE, DI = 0V or VCC; DE = VCC
1500
µA
RE = 0V, DI = 0V or VCC; DE = 0V
10
µA DE = 0V, RE=VCC
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
4
© Copyright 2002 Sipex Corporation