STM32U545NET3QTR datasheet(152/283 Pages) STMICROELECTRONICS

Part #	STM32U545NET3QTR

Description	Ultra-low-power Arm® Cortex®-M33 MCUTrustZone®FPU,240 DMIPS, 512 KB flash memory, 274 KB SRAM, crypto

PDF	283 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Table 47. SRAM1 current consumption in Run/Sleep mode with LDO and SMPS

Symbol

Parameter

Conditions

Typ

Max(1)

Unit

Voltage

scaling

fHCLK

(MHz)

25°C 55°C 85°C 105°C 125°C 25°C 55°C 85°C 105°C 125°C

IDD

(SRAM1)

LDO

SRAM1 supply

current in

Run/Sleep mode

(SRAM1PD = 1

versus

SRAM1PD = 0)

Range 4

0.01

0.04 0.13

0.27

0.54

0.04 0.12 0.38

0.81

1.63

Range 1

160

0.03

0.08 0.21

0.41

0.80

0.10 0.23 0.63

1.24

2.39

Range 2

110

0.02

0.06 0.17

0.35

0.69

0.07 0.18 0.52

1.05

2.08

Range 3

0.02

0.05 0.15

0.30

0.60

0.05 0.15 0.44

0.90

1.80

SMPS

VDD = 3.0 V

Range 4

0.005 0.01 0.05

0.10

0.21

0.01 0.04 0.15

0.31

0.62

Range 1

160

0.02

0.04

0.11

0.22

0.42

0.06 0.12 0.34

0.67

1.27

Range 2

110

0.01

0.03 0.09

0.18

0.34

0.04 0.09 0.26

0.53

1.02

Range 3

0.01

0.02 0.07

0.14

0.28

0.02 0.07 0.21

0.42

0.85

SMPS(2)

Range 4

0.01

0.02 0.08

0.17

0.35

0.03 0.08 0.25

0.54

1.09

Range 1

160

0.03

0.07 0.19

0.37

0.70

0.10 0.22 0.60

1.17

2.22

Range 2

110

0.02

0.05 0.15

0.29

0.57

0.06 0.16 0.46

0.92

1.80

Range 3

0.01

0.04

0.11

0.24

0.47

0.04 0.12 0.36

0.74

1.50

1. Evaluated by characterization. Not tested in production.

2. The typical value is measured at VDD = 1.8 V. The maximum value is for 1.71 V ≤ VDD ≤ 3.6 V and is at VDD = 1.71 V in Run/Sleep mode on SMPS.

STM32U545NET3QTR Datasheet(PDF) 152 Page - STMicroelectronics

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