SPC564A80L7 datasheet(104/157 Pages) STMICROELECTRONICS

104 / 157 page

Electrical characteristics

SPC564A74L7, SPC564A80B4, SPC564A80L7

104/157

Doc ID 15399 Rev 9

3.10

Oscillator and PLLMRFM electrical characteristics

Delay (H/L), sync Mode

tPDSYNC

Delay, Z to Normal

(High/Low)

TDZ

—

500

Diff Skew Itphla-tplhbI or

Itplhb-tphlaI

TSKEW

—

0.5

Termination

Trans. Line (differential Zo)

—

100

105

Temperature

–40

150

C

Table 25.

DSPI LVDS pad specification (continued)

Characteristic

Symbol

Condition

Min.

Value

Typ.

Value

Max.

Value

Unit



Table 26.

PLLMRFM electrical specifications

(VDDPLL = 1.08 V to 3.6 V, VSS = VSSPLL = 0 V, TA = TL to TH)

Symbol

Parameter

Conditions

Value

Unit

min

max

fref_crystal

fref_ext

PLL reference frequency range(1)

Crystal

reference

440

MHz

External

reference

480

fpll_in

Phase detector input frequency range

(after pre-divider)

—4

MHz

fvco

VCO frequency range

—

256

512

MHz

fsys

On-chip PLL frequency(2)

—

150

MHz

fsys

System frequency in bypass mode(2)

Crystal

reference

440

MHz

External

reference

080

tCYC

System clock period

—

1 / fsys

fLORL

fLORH

Loss of reference frequency

window(3)

Lower limit

1.6

3.7

MHz

Upper limit

fSCM

Self-clocked mode frequency (4),(5)

—

1.2

72.25

MHz

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