SP339B datasheet(6/23 Pages) EXAR

6 / 23 page

SP339B

RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION

REV. 1.0.0

ELECTRICAL CHARACTERISTICS

UNLESS OTHERWISE NOTED:



VCC = +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1F; TA = TMIN to TMAX. Typical values are at VCC = 3.3V, TA = +25°C.

SYMBOL

PARAMETERS

MIN.

TYP.

MAX.

UNITS

CONDITIONS

DC CHARACTERISTICS

ICC

Supply Current (RS-232)

No load, idle inputs

ICC

Supply Current (RS-485)

No load, idle inputs

ICC

Vcc Shutdown Current

A

ENABLE = 0V

TRANSMITTER and LOGIC INPUT PINS: Pins 3, 4, 6, 11, 12, 14, 15, 17-19

VIH

Logic Input Voltage High

2.0

VCC = 3.3V

VIH

Logic Input Voltage High

2.4

VCC = 5.0V

VIL

Logic Input Voltage Low

0.8

IIL

Logic Input Leakage Current Low

A

Input Low (VIN = 0V)

IIH

Logic Input Leakage Current High

A

Input High (VIN = VCC),

pins 3, 4 and 6

IPD

Logic Input Pull-down Current

A

Input High (VIN = VCC),

pins 11, 12, 14, 15, 17-19

VHYS

Logic Input Hysteresis

200

RECEIVER OUTPUTS: Pins 1, 2, 5, 7, 8

VOH

Receiver Output Voltage High

VCC-0.6

IOUT = -1.5mA

VOL

Receiver Output Voltage Low

0.4

IOUT = 2.5mA

IOSS

Receiver Output Short Circuit Current

±20

±60

 VO  VCC

IOZ

Receiver Output Leakage Current

±0.1

±1

A

 VO  VCC,

Receivers disabled

SP339B Datasheet(PDF) 6 Page - Exar Corporation

SP339B Datasheet(HTML) 6 Page - Exar Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Datasheet Download

Link URL