STM32H7B3AI datasheet(121/238 Pages) STMICROELECTRONICS

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Speed Symbol

Parameter

conditions

Min(1) Max(1) Unit

Fmax(2)

Maximum frequency

C=50 pF, 2.7 V≤VDD≤3.6 V(4)

MHz

C=50 pF, 1.62 V≤VDD≤2.7 V(4)

C=30 pF, 2.7 V≤VDD≤3.6 V(4)

110

C=30 pF, 1.62 V≤VDD≤2.7 V(4)

C=10 pF, 2.7 V≤VDD≤3.6 V(4)

166

C=10 pF, 1.62 V≤VDD≤2.7 V(4)

100

tr/tf (3)

Output high to low level fall time and output low to

high level rise time

C=50 pF, 2.7 V≤VDD≤3.6 V(4)

3.8

C=50 pF, 1.62 V≤VDD≤2.7 V(4)

6.9

C=30 pF, 2.7 V≤VDD≤3.6 V(4)

2.8

C=30 pF, 1.62 V≤VDD≤2.7 V(4)

5.2

C=10 pF, 2.7 V≤VDD≤3.6 V(4)

1.8

C=10 pF, 1.62 V≤VDD≤2.7 V(4)

3.3

Fmax(2)

Maximum frequency

C=50 pF, 2.7 V≤VDD≤3.6 V(4)

100

MHz

C=50 pF, 1.62 V≤VDD≤2.7 V(4)

C=30 pF, 2.7 V≤VDD≤3.6 V(4)

133

C=30 pF, 1.62 V≤VDD≤2.7 V(4)

C=10 pF, 2.7 V≤VDD≤3.6 V(4)

220

C=10 pF, 1.62 V≤VDD≤2.7 V(4)

tr/tf (3)

Output high to low level fall time and output low to

high level rise time

C=50 pF, 2.7 V≤VDD≤3.6 V(4)

3.3

C=50 pF, 1.62 V≤VDD≤2.7 V(4)

6.6

C=30 pF, 2.7 V≤VDD≤3.6 V(4)

2.4

C=30 pF, 1.62 V≤VDD≤2.7 V(4)

4.5

C=10 pF, 2.7 V≤VDD≤3.6 V(4)

1.5

C=10 pF, 1.62 V≤VDD≤2.7 V(4)

2.7

1. Guaranteed by design.

2. The maximum frequency is defined with the following conditions: (tr+tf) ≤ 2/3 T, skew ≤ 1/20 T, 45%<Duty cycle<55%

3. The fall and rise times are defined between 90% and 10% and between 10% and 90% of the output waveform, respectively.

4. Compensation system enabled.

Output buffer timing characteristics (HSLV option enabled)

Table 69. Output timing characteristics (HSLV ON)

Speed Symbol

Parameter

conditions

Min(1) Max(1) Unit

Fmax(2)

Maximum frequency

C=50 pF, 1.62 V≤VDD≤2.7 V

MHz

C=30 pF, 1.62 V≤VDD≤2.7 V

C=10 pF, 1.62 V≤VDD≤2.7 V

tr/tf(3)

Output high to low level fall time and output low to

high level rise time

C=50 pF, 1.62 V≤VDD≤2.7 V

C=30 pF, 1.62 V≤VDD≤2.7 V

C=10 pF, 1.62 V≤VDD≤2.7 V

6.6

STM32H7B3xI

Operating conditions

DS13139 - Rev 8

page 121/238

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