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SP332 датащи(PDF) 4 Page - Exar Corporation

номер детали SP332
подробное описание детали  RS-232/RS-485 Multi-mode SerialTransceiver
PDF  11 Pages
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производитель  EXAR [Exar Corporation]
домашняя страница  http://www.exar.com
Logo EXAR - Exar Corporation

SP332 датащи(HTML) 4 Page - Exar Corporation

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Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com
SP332_00_0260
SPECIFICATIONS (continued)
PARAMETER
MIN.
TYP.
MAX.
UNITS CONDITIONS
RS-232 DRIVER (continued)
AC Characteristics
Propagation Delay; t
PHL
2
4
µs
R
L = 3kΩ, CL = 2500pF, From .5V
of T
IN to 50% of VOUT
Propagation Delay; t
PLH
2
4
µs
R
L = 3kΩ, CL = 2500pF, From .5V
of T
IN to 50% of VOUT
Slew Rate
0
30
V/µs
R
L = 3kΩ, CL = 50pF; From +3V to
-3V or -3V to +3V
RS-232 RECEIVER
DC Characteristics
TTL Output Level; V
OL
0.4
Volts
I
SINK = 4mA
TTL Output Level; V
OH
3.5
Volts
I
SOURCE = -4mA
Input High Threshold
2.
3.0
Volts
Input Low Threshold
0.8
.6
Volts
Input Voltage Range
-5
+5
Volts
Input Impedance
3
5
7
kΩ
V
IN = +/-5V
Hysteresis
0.2
0.5
.0
Volts
V
CC = +5V
AC Characteristics
Transmission Rate
20
kbps
Transition Time
50
ns
Rise/Fall time, 0%-90%
Propagation Delay t
PHL
00
300
ns
From 50% of V
IN to 1.5V of ROUT
Propagation Delay t
PLH
00
200
ns
POWER REQUIREMENTS
No Load Supply Current
9
25
mA
No Load; V
CC = 5.0V; TA = 25°C
Full Load Supply Current
90
20
mA
RS-232 drivers R
L = 3kΩ to GND,
DC input
RS-485 drivers R
L = 54Ω from A to
B; DC input
Shutdown Supply Current
5
50
µA
T
A = 25°C, VCC = 5.0V
Limits are specified at T
A = 25°C and VCC = +5.0V unless otherwise noted.
Note 1: Exceeding the maximum data rate may damage the device



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