Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP385E_100_030811

3

ELECTRICAL CHARACTERISTICS

PARAMETER

MIN.

TyP. MAX. UNITS CONDITIONS

EIA-562 OUTPUT (continued)

Power-Off Output Resistance

300

Ω

V

Output Short-Circuit Current

+10

mA

Infinite Duration

EIA-562 INPUT

Input Voltage Range

-15

15

V

Input Threshold LOW

0.8

1.2

V

V

Input Threshold HIGH

1.7

2.4

V

V

Input Hysteresis

0.2

0.5

1.0

V

V

Input Resistance

3

5

7

kΩ

V

DyNAMIC CHARACTERISTICS

Driver Propagation Delay

4.0

µs

TTL to RS-562

Receiver Propagation Delay

1.5

µs

RS-562 to TTL

Instantaneous Slew Rate

30

V/µs

C

T

Transition-Region Slew Rate

10

V/µs

C

Measured from +2V to -2V or -2V

to +2V

Output Enable Time

300

ns

Output Disable Time

1000

ns

POWER REQUIREMENTS

Vcc Power Supply Current

3

6

mA

No load, T

Vcc Power Supply Current

8

mA

All transmitters R

T

Shutdown Supply Current

0.01

5

µA

Vcc = 3.3V, T

V