Datasheet

DocID027590 Rev 4 99/227
STM32F745xx STM32F746xx Electrical characteristics
195
V
12
Regulator ON: 1.2 V internal
voltage on V
CAP_1
/V
CAP_2
pins
Power Scale 3 ((VOS[1:0] bits in
PWR_CR register = 0x01), 144 MHz
HCLK max frequency
1.08 1.14 1.20
V
Power Scale 2 ((VOS[1:0] bits in
PWR_CR register = 0x10), 168 MHz
HCLK max frequency with over-drive
OFF or 180 MHz with over-drive ON
1.20 1.26 1.32
Power Scale 1 ((VOS[1:0] bits in
PWR_CR register = 0x11), 180 MHz
HCLK max frequency with over-drive
OFF or 216 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
V
CAP_1
/V
CAP_2
pins
(7)
Max frequency 144 MHz 1.10 1.14 1.20
Max frequency 168MHz 1.20 1.26 1.32
Max frequency 180 MHz 1.26 1.32 1.38
V
IN
Input voltage on RST and FT
pins
(8)
2 V ≤ V
DD
≤ 3.6 V − 0.3 - 5.5
V
DD
≤ 2 V − 0.3 - 5.2
Input voltage on TTa pins - − 0.3 -
V
DDA
+
0.3
Input voltage on BOOT pin - 0 - 9
P
D
Power dissipation at T
A
= 85 °C
for suffix 6 or T
A
= 105 °C for
suffix 7
(9)
LQFP100 - - 465
mW
TFBGA100 - - 351
WLCSP143 - - 641
LQFP144 - - 500
LQFP176 - - 526
UFBGA176 - - 513
LQFP208 - - 1053
TFBGA216 - - 690
T
A
Ambient temperature for 6 suffix
version
Maximum power dissipation − 40 - 85
°C
Low power dissipation
(10)
− 40 - 105
Ambient temperature for 7 suffix
version
Maximum power dissipation − 40 - 105
°C
Low power dissipation
(10)
− 40 - 125
T
J Junction temperature range
6 suffix version − 40 - 105
°C
7 suffix version − 40 - 125
1. The over-drive mode is not supported at the voltage ranges from 1.7 to 2.1 V.
2. 216 MHz maximum frequency for 6 suffix version (200 MHz maximum frequency for 7 suffix version).
3. V
DD
/V
DDA
minimum value of 1.7 V is obtained with the use of an external power supply supervisor (refer to Section 2.17.2:
Internal reset OFF).
4. When the ADC is used, refer to Table 62: ADC characteristics.
5. If V
REF+
pin is present, it must respect the following condition: V
DDA
-V
REF+
< 1.2 V.
Table 17. General operating conditions (continued)
Symbol Parameter Conditions
(1)
Min Typ Max Unit
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