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

SP3220E_EB_EU_102_102016

3

Unless otherwise noted, the following specifications apply for V

Typical values apply at V

ELECTRICAL CHARACTERISTICS

PARAMETER

MIN.

TYP. MAX. UNITS CONDITIONS

DRIVER OUTPUTS (continued)

Output Resistance

300

Ω

V

Output Short-Circuit Current

+35

+60

mA

V

Output Leakage Current

+25

µA

V

Drivers disabled

RECEIVER INPUTS

Input Voltage Range

-15

+15

V

Input Threshold LOW

0.6

1.2

V

Vcc = 3.3V

Input Threshold LOW

0.8

1.5

V

Vcc = 5.0V

Input Threshold HIGH

1.5

2.4

V

Vcc = 3.3V

Input Threshold HIGH

1.8

2.4

V

Vcc = 5.0V

Input Hysteresis

0.3

V

Input Resistance

3

5

7

kΩ

TIMING CHARACTERISTICS

Data Rate SP3220E

120

235

kbps

R

Data Rate SP3220EB

250

kbps

R

Data Rate SP3220EU

1000

kbps

R

Receiver Propagation Delay, t

PHL

0.15

µs

Receiver input to Receiver

output, C

Receiver Propagation Delay, t

PLH

0.15

µs

Receiver input to Receiver

output, C

Receiver Output Enable Time

200

ns

Receiver Output Disable Time

200

ns

Driver Skew

100

ns

| t

Receiver Skew

50

ns

| t

Transition-Region Slew Rate

30

V/µs

Vcc = 3.3V, R

25°C, measurements taken from

-3.0V to +3.0V or +3.0V to -3.0V

(SP3220E and SP3220EB)

Transition-Region Slew Rate

90

V/µs

Vcc = 3.3V, R

25°C, measurements taken from

-3.0V to +3.0V or +3.0V to -3.0V

(SP3220EU)