4

PS8573C

09/22/04

PI90LV387/PI90LVB387

High-Speed Differential Line Drivers

Symbol

Parameter

Test Conditions

Min.

Typ.

Max. Units

Propagation delay time low-to-high level outputs

See Figure 4

0.9

1.8

2.6

ns

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

0.9

1.8

2.6

Differential outpu sign rise time

0.4

0.8

1.3

Differential output signal fall time

0.4

0.8

1.3

Pulse skew ( | tphl - tphl | )

150

500

ps

80

150

1.5

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

See Figure 5

4.5

6.7

ns

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

3.5

5.1

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

3.1

4.6

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

3.1

4.6

Maximum operating frequency

250

MHz

Notes:

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

gether.

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