STDEV003ABTR datasheet(23/41 Pages) STMICROELECTRONICS

23 / 41 page

STDVE003A

Maximum rating

23/41

4.4

Dynamic switching characteristics(b)

TA = -40 to +85 °C, VCC = 3.3 V ± 5%, RTERM = 50 Ω ± 5%, CL = 5 pF).

Typical values are at TA = +25 °C and VCC = 3.3 V.

The timing values in this section are tested during characterization and are guaranteed by

design and simulation. Not tested in production.

Table 20.

Clock and data rate

Symbol

Parameter

Test condition

Value

Unit

Min

Typ

Max

fCK

Clock frequency

(1/10th of the

differential data rate)

340

MHz

Drate

Signaling rate

3.4

Gbps

Table 21.

Equalizer gain

Symbol

Parameter

Test condition

Value

Unit

Min

Typ

Max

G_EQ

Equalizer gain

At all frequencies

(EQ_BOOST = L) for short

cables

At all frequencies

(EQ_BOOST = H) for long

cables

Table 22.

Differential output timings

Symbol

Parameter

Test condition

Value

Unit

Min

Typ

Max

Differential data and

clock output rise/fall

times

20% to 80% of VOD

150

240

80% to 20% of VOD

150

240

tPLH

Differential low to high

propagation delay

Alternating 1 and 0 pattern

at slow and fast data rates

Measure at 50% VOD

between input to output

250

800

tPHL

Differential high to low

propagation delay

250

800

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