www.ti.com

SWITCHING CHARACTERISTICS

PARAMETER MEASUREMENT INFORMATION

Y

Z

A

B

SN65LVDS108

SLLS399E – NOVEMBER 1999 – REVISED FEBRUARY 2005

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Propagation delay time, low-to-high-level output

1.6

2.8

4.5

ns

Propagation delay time, high-to-low-level output

1.6

2.8

4.5

Differential output signal rise time

0.3

0.8

1.2

ns

Differential output signal fall time

0.3

0.8

1.2

pF, See Figure 4

150

500

ps

300

1.5

ns

Propagation delay time, high-impedance-to-high-level output

5.7

15

Propagation delay time, high-impedance-to-low-level output

7.7

15

ns

See Figure 5

Propagation delay time, high-level-to-high-impedance output

3.2

15

Propagation delay time, low-level-to-high-impedance output

3.2

15

ns

(1)

All typical values are at 25

°C and with a 3.3-V supply.

(2)

(3)

(4)

devices operate with the same supply voltages, at the same temperature, and have identical packages and test circuits.

Figure 1. Voltage and Current Definitions

Table 1. Receiver Minimum and Maximum Input Threshold Test Voltages

APPLIED VOLTAGES

RESULTING DIFFERENTIAL

RESULTING COMMON-

INPUT VOLTAGE

MODE INPUT VOLTAGE

1.25 V

1.15 V

100 mV

1.2 V

1.15 V

1.25 V

–100 mV

1.2 V

2.4 V

2.3 V

100 mV

2.35 V

2.3 V

2.4 V

–100 mV

2.35 V

0.1 V

0 V

100 mV

0.05 V

0 V

0.1 V

–100 mV

0.05 V

1.5 V

0.9 V

600 mV

1.2 V

0.9 V

1.5 V

–600 mV

1.2 V

2.4 V

1.8 V

600 mV

2.1 V

1.8 V

2.4 V

–600 mV

2.1 V

0.6 V

0 V

600 mV

0.3 V

0 V

0.6 V

–600 mV

0.3 V

5