STM32WBA50KG datasheet(81/110 Pages) STMICROELECTRONICS

81 / 110 page

DS14688 Rev 1

81/110

STM32WBA50KG

Electrical characteristics

103

5.3.12

Flash memory characteristics

tLOCK(2)

PLL lock time(3)

Integer mode

μs

Fractional mode

Jitter(1)

RMS cycle-to-cycle jitter

Integer mode, VCO = 544 MHz

±20

Fractional mode, VCO = 544 MHz

±70

RMS period jitter

Integer mode, VCO = 544 MHz

±35

Fractional mode, VCO = 544 MHz

±45

Long-term jitter(4)

fPLL_IN = 8 MHz

Integer mode, VCO = 544 MHz

±160

Fractional mode, VCO = 544 MHz

±170

IDD(PLL)(1)

PLL power consumption

on VDD

VCO freq = 100 MHz

370

μA

VCO freq = 200 MHz

460

VCO freq = 336 MHz

710

VCO freq = 544 MHz

1100

1. Specified by design, not tested in production.

2. Evaluated by characterization, not tested in production, unless otherwise specified.

3. Lock time is the duration until PLL1RDY flag (2% of final frequency).

4. Measured on 5000 cycles.

Table 54. PLL characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 55. Flash memory characteristics

Symbol

Parameter

Conditions

Typ

Max(1)

Unit

tprog(2)

128-bit programming time

Normal mode

118

µs

Burst mode

tprog_page(2) One 8-Kbyte page programming time

fAHB = 100 MHz, normal mode

62.0

fAHB = 100 MHz, burst mode

24.9

tprog_flash(2) 1-Mbyte programming time

fAHB = 100 MHz, normal mode

7926

fAHB = 100 MHz, burst mode

3184

tERASE(2) One 8-Kbyte page erase time

10 k endurance cycles

1.5

2.4

100 k endurance cycles(3)

1.7

3.4

tME(2)

Mass erase time

10 k endurance cycles

195

308

IDD(4)

Average consumption from VDD

Write mode

2.1

Erase mode

1.3

Maximum current (peak) from VDD

Write mode

2.6

Erase mode

3.0

1. Evaluated by characterization after cycling, not tested in production.

2. Specified by design, not tested in production, unless otherwise specified.

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