IMX7SCEC datasheet(44/152 Pages) NXP

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Electrical characteristics

i.MX 7Solo Family of Applications Processors Datasheet, Rev. 5, 07/2017

NXP Semiconductors

Figure 8. Differential LVDS driver transition time waveform

Table 32 shows the AC parameters for clock I/O.

Table 32. I/O AC Parameters of LVDS Pad

Symbol

Parameter

Test conditions

Min Typ Max Unit Notes

Tphld

Output Differential propagation delay high to low

Rload=100

Ω between padp and

padn,

Cload = 2pF

—

0.61

1 At WCS, 125C, 1.62 V ovdd, 0.9 V vddi. Measurement levels are 50-50%. Output differential signal measured.

Tplhd

Output Differential propagation delay low to high

—

0.61

Ttlh

Output Transition time low to high

—

0.17

2 WCS, 125C, 1.62 V ovdd, 0.9 V vddi. Measurement levels are 20-80%. Output differential signal measured

Tthl

Output Transition time high to low

—

0.17

Tphlr

Input Differential propagation delay high to low

Rload=100

Ω between padp and

padn, Cload on ipp_ind=0.1 pF

—

0.33

3 At WCS, 125C, 1.62 V ovdd, 0.9 V vddi. Measurement levels are 50-50%.

Tplhr

Input Differential propagation delay low to high

—

0.33

Ttx

Transmitter startup time (ipp-obe low to high)

—

4 TX startup time is defined as the time taken by transmitter for settling after its ipp_obe has been asserted. It is to stabilize the

current reference. Functionality is guaranteed only after the startup time

Operating frequency

—

500 1000 MHz

—

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