STM32U535NET6QTR datasheet(162/278 Pages) STMICROELECTRONICS

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Table 61. SRAM static power consumption in Stop 3 when supplied by LDO

Symbol

Parameter

Typ

Max(1)

Unit

25°C

55°C

85°C 105°C 125°C 25°C

55°C

85°C 105°C 125°C

IDD(SRAM1_64kB)(2)

SRAM1 64-Kbyte page x static consumption

(SRAM1PDSx = 1 versus SRAM1PDSx = 0)

0.8

1.8

6.9

16.1

36.4

2.4

5.4

21.0

49.0

110.0

µA

IDD(SRAM2_8KB)(3)

SRAM2 8-Kbyte page 1 static consumption

(SRAM2PDS1 = 1 versus SRAM2PDS1 = 0)

0.3

0.6

2.6

5.8

13.2

0.8

1.8

7.8

18.0

40.0

IDD(SRAM2_56KB)(3)

SRAM2 56-Kbyte page 2 static consumption

(SRAM2PDS2 = 1 versus SRAM2PDS2 = 0)

1.0

2.2

8.5

19.5

43.3

3.0

6.6

26.0

59.0

130.0

IDD(SRAM4)

SRAM4 static consumption

(SRAM4PDS = 1 versus SRAM4PDS = 0)

0.2

0.4

1.8

4.1

9.7

0.6

1.2

5.4

13.0

30.0

IDD(ICRAM)

ICACHE SRAM static consumption

(ICRAMPDS = 1 versus ICRAMPDS = 0)

0.1

0.3

1.3

2.6

6.4

0.4

0.9

3.9

7.8

20.0

IDD(DC1RAM)

DCACHE1 SRAM static consumption

(DC1RAMPDS = 1 versus DC1RAMPDS = 0)

0.0

0.1

0.7

1.3

3.5

0.0

0.3

2.1

3.9

11.0

IDD(PRAM)

FMAC, FDCAN and USB SRAM static consumption

(PRAMPDS = 1 versus PRAMPDS = 0)

0.1

0.4

0.7

2.6

0.2

0.3

1.2

2.2

7.8

1. Evaluated by characterization. Not tested in production.

2. SRAM1 total consumption is 3 × IDD(SRAM1_64KB).

3. SRAM2 total consumption is IDD(SRAM2_8KB) + IDD(SRAM2_56KB).

Table 62. Current consumption during wake-up from Stop 3 mode on LDO

Symbol

Parameter

Conditions

Typ

Unit

-VDD (V)

25°C

QDD(wakeup from Stop 3)

Electrical charge consumed during wake-up from

Stop 3 mode

Wake-up clock is MSI 24 MHz

3.0

19.2

nAs

Wake-up clock is HSI 16 MHz

18.2

Wake-up clock is MSI 1 MHz

61.8

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