STM32U5A5QJ datasheet(259/382 Pages) STMICROELECTRONICS

259 / 382 page

DS13543 Rev 1

259/382

STM32U5Axxx

Electrical characteristics

348

5.3.10

Flash memory characteristics

Table 79. Flash memory characteristics(1)

Symbol

Parameter

Conditions

Typ

Max(2)

Unit

tprog

128-bit programming time

Normal mode

118

119

µs

Burst mode

tprog_page One 8-Kbyte page programming time

fAHB = 160 MHz, normal mode

60.2

fAHB = 160 MHz, burst mode

24.5

tprog_bank One 2-Mbyte bank programming time

fAHB = 160 MHz, normal mode

15420

fAHB = 160 MHz, burst mode

6280

tERASE One 8-Kbyte page erase time

10 k endurance cycles

1.5

2.4

100 k endurance cycles

1.7

3.4

tME

Mass erase time (one bank)

10 k endurance cycles

220

616

Mass erase time (two banks)

440

1230

IDD(3)

Average consumption from VDD

Write mode

2.1

Erase mode

1.3

Maximum current (peak)

Write mode

2.6

Erase mode

3.0

1. Specified by design. Not tested in production.

2. Evaluated by characterization after cycling. Not tested in production.

3. Evaluated by characterization. Not tested in production.

Table 80. Flash memory endurance and data retention

Symbol

Parameter

Conditions

Min(1)

Unit

NEND

Endurance

Whole bank

TA = –40 to 125 °C

kcycles

Limited to 256 Kbytes per bank

100

tRET

Data retention

Whole bank

TA = 85 °C after 1 kcycle(2)

Years

TA = 105 °C after 1 kcycle(2)

TA = 125 °C after 1 kcycle(2)

TA = 55 °C after 10 kcycle(2)

TA = 85 °C after 10 kcycle(2)

TA = 105 °C after 10 kcycle(2)

Limited to 256 Kbytes per bank

TA = 55 °C after 100 kcycle(2)

TA = 85 °C after 100 kcycle(2)

TA = 105 °C after 100 kcycle(2)

1. Evaluated by characterization. Not tested in production.

2. Cycling performed over the whole temperature range.

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