STM32L4A6VG datasheet(174/282 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L4A6xG

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DS11584 Rev 8

6.3.9

PLL characteristics

The parameters given in Table 62 are derived from tests performed under temperature and

VDD supply voltage conditions summarized in Table 22: General operating conditions.

6.3.10

Flash memory characteristics

Table 62. PLL, PLLSAI1, PLLSAI2 characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN

PLL input clock(2)

-4

MHz

PLL input clock duty cycle

fPLL_P_OUT PLL multiplier output clock P

Voltage scaling Range 1

2.0645

MHz

Voltage scaling Range 2

2.0645

fPLL_Q_OUT PLL multiplier output clock Q

Voltage scaling Range 1

MHz

Voltage scaling Range 2

fPLL_R_OUT PLL multiplier output clock R

Voltage scaling Range 1

MHz

Voltage scaling Range 2

fVCO_OUT PLL VCO output

Voltage scaling Range 1

344

MHz

Voltage scaling Range 2

128

tLOCK

PLL lock time

μs

Jitter

RMS cycle-to-cycle jitter

System clock 80 MHz

-40

±ps

RMS period jitter

IDD(PLL)

PLL power consumption on

VDD(1)

VCO freq = 64 MHz

150

200

μA

VCO freq = 96 MHz

200

260

VCO freq = 192 MHz

300

380

VCO freq = 344 MHz

520

650

1. Guaranteed by design.

2. Take care of using the appropriate division factor M to obtain the specified PLL input clock values. The M factor is shared

between the 3 PLLs.

Table 63. Flash memory characteristics(1)

Symbol

Parameter

Conditions

Typ

Max

Unit

tprog

64-bit programming time

81.69

90.76

µs

tprog_row

one row (32 double

word) programming time

normal programming

2.61

2.90

fast programming

1.91

2.12

tprog_page

one page (2 Kbyte)

programming time

normal programming

20.91

23.24

fast programming

15.29

16.98

tERASE

Page (2 KB) erase time

22.02

24.47

tprog_bank

one bank (512 Kbyte)

programming time

normal programming

5.35

5.95

fast programming

3.91

4.35

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