SP233A Datasheet, PDF (3/13 Pages) Exar Corporation – Enhanced RS-232 Line Drivers/Receivers

ELECTRICAL CHARACTERISTICS
Vcc=5V ±10%, 0.1μF charge pump capacitors, Tmin to Tmax, unless otherwise noted, Typical values are Vcc=5V
and Ta=25°C
Parameter
TEST CONDITIONS
MIN
TYP
MAX
Unit
DYNAMIC CHARACTERISTICS
Driver Propagation Delay
TTL to RS_232; CL = 50pF
1.5
3.0
μs
Receiver Propagation Delay
RS-232 to TTL,
0.1
1.0
μs
Instantaneous Slew Rate
CL = 10pF, RL = 3-7kΩ
30
V/ μs
Transition Region Slew Rate
CL = 2500pF, RL = 3kΩ;
Measured from +3V to -3V or
-3V to +3V
10
V/ μs
Output Enable Time
Output Disable Time
POWER REQUIREMENTS
Vcc Power Supply Current
Vcc Power Supply Current, Loaded
SP310A and SP312A only
SP310A and SP312A only
No Load, Vcc = 5V, Ta=25°C
All Transmitters RL = 3kΩ,
Ta=25°C
400
ns
250
ns
10
15
mA
25
mA
Shutdown Supply Current
SP310A and SP312A only
Vcc = 5V, Ta=25°C
1
10
μA
PIN ASSIGNMENTS
20 pin PDIP
20 pin WSOIC
18 pin PDIP / WSOIC
18 pin WSOIC
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • Fax [phone] • www.exar.com SP233A,310A,312A 100_051308