STW81103 datasheet(10/53 Pages) STMICROELECTRONICS

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Electrical specifications

STW81103

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2.3

Digital logic levels

2.4

Electrical specifications

All electrical specifications are intended for a 3.3 V supply voltage.

Table 4.

Digital logic levels

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Units

Vil

Low-level input voltage

0.2*Vdd

Vih

High-level input voltage

0.8*Vdd

Vhyst

Schmitt trigger hysteresis

0.8

Vol

Low-level output voltage

0.4

Voh

High-level output voltage

0.85*Vdd

Table 5.

Electrical specifications

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

Output frequency range

FOUTA

Output frequency range with

VCOA

Direct output

2500

3050

MHz

Divider by 2

1250

1525

MHz

Divider by 4

625

762.5

MHz

FOUTB

Output frequency range with

VCOB

Direct output

4350

5000

MHz

Divider by 2

2175

2500

MHz

Divider by 4

1087.5

1250

MHz

VCO dividers

VCO divider ratio

Prescaler 16/17

256

65551

Prescaler 19/20

361

77836

Reference clock and phase frequency detector

Fref

Reference input frequency

200

MHz

Reference input sensitivity(1)

0.35

1.5

Vpeak

Reference divider ratio

1023

FPFD

PFD input frequency

MHz

FSTEP

Frequency step(2)

Prescaler 16/17

FOUT/

65551

FOUT/

256

Prescaler 19/20

FOUT/

77836

FOUT/

361

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