SP339E
6
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION REV. 1.0.4
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED:
V
CC
= +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1PF; T
A
= T
MIN
to T
MAX
. Typical values are at V
CC
= 3.3V, T
A
= +25°C.
SYMBOL PARAMETERS MIN. TYP. MAX. UNITS CONDITIONS
DC CHARACTERISTICS
I
CC
Supply Current (RS-232) 2 8 mA No load, idle inputs
I
CC
Supply Current (RS-485) 2 8 mA No load, idle inputs
I
CC
Vcc Shutdown Current 1 10 PA ENABLE = 0V
TRANSMITTER and LOGIC INPUT PINS: Pins 3, 4, 6, 11, 12, 14, 15, 17-19
V
IH
Logic Input Voltage High 2.0 V
V
CC
= 3.3V
V
IH
Logic Input Voltage High 2.4 V
V
CC
= 5.0V
V
IL
Logic Input Voltage Low 0.8 V
I
IL
Logic Input Leakage Current Low 1 PA
Input Low (V
IN
= 0V)
I
IH
Logic Input Leakage Current High 1 PA
Input High (V
IN
= V
CC
),
pins 3, 4 and 6
I
PD
Logic Input Pull-down Current 50 PA
Input High (V
IN
= V
CC
),
pins 11, 12, 14, 15, 17-19
V
HYS
Logic Input Hysteresis 200 mV
RECEIVER OUTPUTS: Pins 1, 2, 5, 7, 8
V
OH
Receiver Output Voltage High
V
CC
-0.6
V
I
OUT
= -1.5mA
V
OL
Receiver Output Voltage Low 0.4 V
I
OUT
= 2.5mA
I
OSS
Receiver Output Short Circuit Current ±20 ±60 mA
0 d V
O
d V
CC
I
OZ
Receiver Output Leakage Current ±0.1 ±1 PA
0 d V
O
d V
CC,
Receivers disabled
