ELECTRICAL CHARACTERISTICS
TMIN to TMAX and VCC = +5.0V +/-5% unless otherwise noted.
PARAMETERS
SP481E
MIN.
TYP.
MAX.
UNITS CONDITIONS
Shutdown Timing
Time to Shutdown
50
200
40
600
ꢀ00
ns
ns
RE = 5V, DE = 0V
Driver Enable from Shutdown
to Output High
CL = 100pF; See Figures 4 and 6;
S2 Closed
Driver Enable from Shutdown
to Output Low
40
ꢀ00
ꢀ000
ꢀ000
ns
ns
ns
CL = 100pF; See Figures 4 and 6;
Sꢀ Closed
Receiver Enable from
Shutdown to Output High
300
300
CL = 15pF; See Figures 2 and 8; S2
Closed
Receiver Enable from
CL = 15pF; See Figures 2 and 8; Sꢀ
Shutdown to Output Low
Closed
POWER REQUIREMENTS
Supply Voltage VCC
Supply Current
+4.75
+5.25
Volts
SP481E/SP485E
No Load
900
600
µA
µA
RE, DI = 0V or VCC; DE = VCC
RE = 0V, DI = 0V or 5V; DE = 0V
SP481E
Shutdown Mode
ꢀ0
µA
DE = 0V, RE = VCC
ENVIRONMENTAL AND MECHANICAL
Operating Temperature
Commercial (_C_)
Industrial (_E_)
(_M_)
0
70
ºC
ºC
ºC
ºC
-40
-40
-65
+85
+ꢀ25
+ꢀ50
Storage Temperature
Package
Plastic DIP (_P)
NSOIC (_N)
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 5ꢀ0-668-70ꢀ7 • www.exar.com
SP48ꢀE,485E_ꢀ00_ꢀ2ꢀ808
4
EXAR [ EXAR CORPORATION ]
