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SN65LVDS049

SLLS575 – AUGUST 2003

SWITCHING CHARACTERISTICS

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP (1)

MAX

UNIT

Differential propagation delay low to high

1.3

2.0

ns

Differential propagation delay high to low

1.4

2.0

ns

See Figure 2

0

0.15

0.4

ns

Differential channel-to-channel skew (2)

0

0.05

0.5

ns

Differential part-to-part skew (3)

0

1

ns

Differential rise time

0.2

0.5

1

ns

Differential fall time

0.2

0.5

1

ns

Disable time, high level to high impedance

2.7

4

ns

Disable time, low level to high impedance

2.7

4

ns

See Figure 3

Enable time, high impedance to high level

1

5

8

ns

Enable time, high impedance to low level

1

5

8

ns

Maximum operating frequency (4)

250

MHz

Propagation delay low to high

0.5

1.9

3.5

ns

Propagation delay high to low

0.5

1.7

3.5

ns

See Figure 4

0

0.2

0.4

ns

Channel-to-channel skew (5)

0

0.05

0.5

ns

Part-to-part skew (6)

0

1

ns

Rise time

0.3

0.5

1.4

ns

Fall time

0.3

0.5

1.4

ns

Disable time, high level to high impedance

3

7.2

9

ns

See Figure 5

Disable time, low level to high impedance

2.5

4

8

ns

Enable time, high impedance to high level

2.5

4.2

7

ns

Enable time, high impedance to low level

2

3.3

7

ns

Maximum operating frequency (7)

200

250

MHz

(1)

All typical values are at 25

°C and with a 3.3 V supply.

(2)

together.

(3)

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

(4)

> 250 mV, all channels switching.

(5)

(6)

tsk(pp) is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both

devices operate wf(MAX) generaith the same supply voltages, at the same temperature, and have identical packages and test circuits

(7)

5