SP339E
REV. 1.0.0
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED:
VCC = +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1µF; TA = TMIN to TMAX. Typical values are at VCC = 3.3V, TA = +25°C.
SYMBOL
PARAMETERS
MIN.
TYP.
MAX. UNITS
CONDITIONS
DC CHARACTERISTICS
ICC
ICC
ICC
Supply Current (RS-232)
Supply Current (RS-485)
Vcc Shutdown Current
2
2
1
8
8
mA No load, idle inputs
mA No load, idle inputs
10
µA
ENABLE = 0V
TRANSMITTER and LOGIC INPUT PINS: Pins 3, 4, 6, 11, 12, 14, 15, 17-19
VIH
VIH
VIL
IIL
VCC = 3.3V
VCC = 5.0V
Logic Input Voltage High
Logic Input Voltage High
Logic Input Voltage Low
2.0
2.4
V
V
0.8
1
V
Input Low (VIN = 0V)
Logic Input Leakage Current Low
µA
Input High (VIN = VCC),
pins 3, 4 and 6
IIH
Logic Input Leakage Current High
1
µA
Input High (VIN = VCC),
IPD
Logic Input Pull-down Current
Logic Input Hysteresis
50
µA
pins 11, 12, 14, 15, 17-19
VHYS
200
mV
RECEIVER OUTPUTS: Pins 1, 2, 5, 7, 8
VOH
VOL
IOSS
V
-0.6
IOUT = -1.5mA
IOUT = 2.5mA
0 ≤ VO ≤ VCC
Receiver Output Voltage High
Receiver Output Voltage Low
Receiver Output ShortCircuit Current
V
V
CC
0.4
±20
±60
mA
0 ≤ VO ≤ VCC,
IOZ
Receiver Output Leakage Current
±0.1
±1
µA
Receivers disabled
5
EXAR [ EXAR CORPORATION ]
