sp331 Exar Corporation, sp331 Datasheet - Page 2

• Manufacturer Part Number: sp331
• Description: Programmable Dual Rs-232/rs-485 Transceiver
• Manufacturer: Exar Corporation

Date: 03-04-05
Typically 25°C @ Vcc = +5V unless otherwise noted.
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability.
V
Storage Temperature..........................-65˚C to +150˚C
Power Dissipation
CC
LOGIC INPUTS
LOGIC OUTPUTS
RS-232 DRIVER
DC Characteristics
AC Characteristics
RS-232 RECEIVER
DC Characteristics
AC Characteristics
RS-485 DRIVER
DC Characteristics
...........................................................................+7V
Open Circuit Voltage
Differential Output
HIGH Level Output
LOW Level Output
Open Circuit Voltage
Short Circuit Current
Power Off Impedance
Slew Rate
Transition Time
Maximum Data Rate
Propagation Delay
HIGH Threshold
LOW Threshold
Receiver Open Circuit Bias
Input Impedance
Maximum Data Rate
Propagation Delay
V
V
V
V
28-pin Plastic DIP...........................1000mW
28-pin Plastic SOIC.......................1000mW
t
t
t
t
PHL
PLH
PHL
PLH
IL
IH
OL
OH
–15.0
MIN.
+5.0
–15
300
120
120
2.0
2.4
0.8
1.5
Programmable Dual RS-232/RS-485 Transceiver
3
TYP.
0.25
0.25
235
235
1.7
1.2
2
2
5
MAX.
±100
–5.0
+2.0
2
+15
+15
0.8
0.4
1.5
3.0
6.0
5.0
30
8
8
7
1
1
Package Derating:
28-pin Plastic DIP
28-pin Plastic SOIC
UNITS
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
kbps
kbps
V/µs
mA
ELECTRICAL CHARACTERISTICS
kΩ
µs
µs
µs
µs
µs
Ω
ABSOLUTE MAXIMUM RATINGS
ø
ø
JA
JA
....................................................40 °C/W
....................................................40 °C/W
R
R
V
V
R
V
R
between ±3V, T
R
Measured from 1.5V of V
to 50% of V
V
Measured from 50% of V
to 1.5V of V
I
I
R
OUT
cc
CC
IN
OUT
OUT
L
L
L
L
L
=3kΩ, V
=3kΩ, V
=3kΩ, C
=3kΩ, C
=3kΩ, C
L
=54Ω, C
= 0V, V
= +15V to –15V
= +5.0V, T
= -3.2mA
= 1.0mA
= 0V
CONDITIONS
© Copyright 2005 Sipex Corporation
IN
IN
L
L
L
out
OUT
= 50pF
=2500pF ;
=2500pF
OUT
L
=0.8V
=2.0V
=50pF
= ±2.0V
A
; R
.
A
@ +25°C
@ +25°C
L
=3kΩ
IN
IN