STM32F446RC datasheet(77/201 Pages) STMICROELECTRONICS

77 / 201 page

DocID027107 Rev 5

77/201

STM32F446xC/E

Electrical characteristics

174

VDD

Standard operating voltage

1.7(2)

-3.6

VDDA(3)(4)

Analog operating voltage

(ADC limited to 1.2 M samples)

Must be the same potential as VDD(5)

1.7(2)

-2.4

Analog operating voltage

(ADC limited to 2.4 M samples)

2.4

3.6

VBAT

Backup operating voltage

1.65

3.6

VDDUSB

USB supply voltage (supply

voltage for PA11,PA12, PB14

and PB15 pins)

USB not used

1.7

3.6

USB used

3.6

V12

Regulator ON: 1.2 V internal

voltage on VCAP_1/VCAP_2 pins

Power Scale 3 ((VOS[1:0] bits in

PWR_CR register = 0x01), 120 MHz

HCLK max frequency

1.08 1.14

1.20

Power Scale 2 ((VOS[1:0] bits in

PWR_CR register = 0x10), 144 MHz

HCLK max frequency with over-drive

OFF or 168 MHz with over-drive ON

1.20 1.26

1.32

Power Scale 1 ((VOS[1:0] bits in

PWR_CR register = 0x11), 168 MHz

HCLK max frequency with over-drive

OFF or 180 MHz with over-drive ON

1.26 1.32

1.40

Regulator OFF: 1.2 V external

voltage must be supplied from

external regulator on

VCAP_1/VCAP_2 pins(6)

Max frequency 120 MHz

1.10 1.14

1.20

Max frequency 144 MHz

1.20 1.26

1.32

Max frequency 168 MHz

1.26 1.32

1.38

VIN

Input voltage on RST, FTf and

FT pins(7)

2 V

≤VDD ≤3.6 V

–0.3

5.5

1.7 V

≤ VDD ≤ 2 V

–0.3

5.2

Input voltage on TTa pins

–0.3

VDDA+0.3

Input voltage on BOOT0 pin

Power dissipation at TA = 85 °C

for suffix 6 or TA = 105 °C for

suffix 7(8)

LQFP64

345

WLCSP81

417

LQFP100

476

LQFP 144

606

UFBGA144 (7x7)

392

UFBGA144(10x10)

417

Ambient temperature for 6 suffix

version

Maximum power dissipation

–40

°C

Low power dissipation(9)

–40

105

Ambient temperature for 7 suffix

version

Maximum power dissipation

–40

105

°C

Low power dissipation(9)

–40

125

Junction temperature range

6 suffix version

–40

105

°C

7 suffix version

–40

125

Table 16. General operating conditions (continued)

Symbol

Parameter

Conditions(1)

Min

Typ

Max

Unit

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