SPECIFICATIONS (continued)
TAMB = TMIN to TMAX and VCC = +3.3V ± 5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX. UNITS CONDITIONS
SP3494 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, tPLH
2.5
40
Mbps
ns
RE = 0V, DE = 0V
Figures 6 and 11
70
70
10
35
100
100
Receiver Input to Output, tPHL
40
ns
ns
ns
Figures 6 and 11
Differential Receiver Skew
Receiver Enable to
Output Low
tRSKEW = tRPHL - tRPLH , Figures 6 and 11
Figures 7 and 12; S1 closed, S2 open
60
Receiver Enable to
Output High
Receiver Disable from Low
Receiver Disable from High
35
35
35
60
60
60
ns
ns
ns
Figures 7 and 12; S2 closed, S1 open
Figures 7 and 12; S1 closed, S2 open
Figures 7 and 12; S2 closed, S1 open
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
50
75
65
65
50
50
200
150
150
200
200
ns
ns
ns
ns
ns
RE = 3.3V, DE = 0V
Figures 4 and 10
Figures 5 and 10
Figures 7 and 12; S2 closed, S1 open
Figures 7 and 12; S1 closed, S2 open
SP3494 POWER REQUIREMENTS
Supply Current
No Load
1000
800
2000
1500
µA
µA
RE, DI = 0V or VCC; DE = VCC
RE = 0V, DI = 0V or VCC; DE = 0V
Shutdown Mode
10
µA
DE = 0V, RE=VCC
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 ]
