STM32H742AI datasheet(133/357 Pages) STMICROELECTRONICS

133 / 357 page

DS12110 Rev 7

133/357

STM32H742xI/G STM32H743xI/G

Electrical characteristics (rev Y)

322

fPLL_P_OUT

PLL multiplier output clock P

VOS1

1.5

400(2)

MHz

VOS2

1.5

300

VOS3

1.5

200

fPLL_Q_OUT

PLL multiplier output clock Q/R

VOS1

1.5

400(2)

VOS2

1.5

300

VOS3

1.5

200

fVCO_OUT

PLL VCO output

192

836

tLOCK

PLL lock time

Normal mode

50(3)

150(3)

µs

Sigma-delta mode

(CKIN

≥ 8 MHz)

-58(3)

166(3)

Jitter

Cycle-to-cycle jitter(4)

VCO = 192 MHz

134

±ps

VCO = 200 MHz

134

VCO = 400 MHz

VCO = 800 MHz

Long term jitter

Normal mode

±0.7

Sigma-delta mode

(CKIN = 16 MHz)

±0.8

IDD(PLL)(3)

PLL power consumption on VDD

VCO freq =

420 MHz

VDDA

440

1150

µA

VCORE

530

VCO freq =

150 MHz

VDDA

180

500

VCORE

200

1. Guaranteed by design unless otherwise specified.

2. This value must be limited to the maximum frequency due to the product limitation (400 MHz for VOS1, 300 MHz for VOS2,

200 MHz for VOS3).

3. Guaranteed by characterization results.

4. Integer mode only.

Table 50. PLL characteristics (wide VCO frequency range)(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 51. PLL characteristics (medium VCO frequency range)(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN

PLL input clock

MHz

PLL input clock duty cycle

fPLL_OUT

PLL multiplier output clock P, Q,

VOS1

1.17

210

MHz

VOS2

1.17

210

VOS3

1.17

200

fVCO_OUT

PLL VCO output

150

420

MHz

tLOCK

PLL lock time

Normal mode

60(2)

100(2)

µs

Sigma-delta mode

forbidden

µs

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