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SWITCHING CHARACTERISTICS

PARAMETER MEASUREMENT INFORMATION

A

B

Y

SN65LVDS33, SN65LVDT33

SN65LVDS34, SN65LVDT34

SLLS490B – MARCH 2001 – REVISED NOVEMBER 2004

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

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

2.5

4

6

ns

See Figure 3

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

2.5

4

6

ns

Delay time, failsafe deactivate time

9

ns

and Figure 6

Delay time, failsafe activate time

0.3

1.5

µs

200

ps

150

ps

See Figure 3

1

ns

Output signal rise time

0.8

ns

Output signal fall time

0.8

ns

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

5.5

9

ns

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

4.4

9

ns

See Figure 4

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

3.8

9

ns

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

7

9

ns

(1)

All typical values are at 25°C and with a 3.3-V supply.

(2)

together.

(3)

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

Figure 1. Voltage and Current Definitions

6

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