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STLVDS31

HIGH SPEED DIFFERENTIAL LINE DRIVERS

STMicroelectronics 

STLVDS31/STLVDS3487

SWITCHING CHARACTERISTICS (Unless otherwise noted. Typical values are referred to TA = 25°C

and VCC = 3.3V)

Symbol

Parameter

Test Condit ions

Min. Typ. Max. Unit

tPLH

tPHL

tr

tf

tsk(P)

tsk(O)

tPZH

tPZL

tPHZ

tPLZ

Propagation Delay Time,

Low to High Output

Propagation Delay Time,

High to Low Output

RL = 100Ω

Fig. 2

Differential Output Signal

Rise Time

Differential Output Signal

Fall Time

Pulse Skew (|tTHL = tTLH|)

Channel to Channel Output

Skew (note1)

Propagation Delay Time,

High Impedance to High

Level Output

Fig. 4

Propagation Delay Time,

High Impedance to Low

Level Output

Propagation Delay Time,

High Level to High

Impedance Output

Propagation Delay Time,

Low Level to High

Impedance Output

CL = 10pF

0.5

1.4

2

ns

1

1.7

2.5

ns

0.4

0.5

0.6

ns

0.4

0.5

0.6

ns

0.3

0.6

ns

0

0.3

ns

5.4

15

ns

2.5

15

ns

8.1

15

ns

7.3

15

ns

Note 1: tsk(O) is the maximum delay time difference between drivers on the same device.

RNote 1: RS-232 IN to TTL-CMOS OUT (from 50% to 50%)

Figure 1 : Voltage and Current Definitions

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