STM32F765II datasheet(158/255 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F765xx STM32F767xx STM32F768Ax STM32F769xx

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DocID029041 Rev 4

tBE

Bank erase time

Program/erase

parallelism (PSIZE) = x 8

-16

Program/erase

parallelism (PSIZE) = x 16

-11

Program/erase

parallelism (PSIZE) = x 32

-8

Vprog

Programming voltage

32-bit program operation

2.7

16-bit program operation

2.1

3.6

8-bit program operation

1.7

3.6

1. Guaranteed by characterization results.

2. The maximum programming time is measured after 100K erase operations.

Table 58. Flash memory programming with VPP

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1)

1. Guaranteed by design.

Unit

tprog

Double word programming

TA = 0 to +40 °C

VDD = 3.3 V

VPP = 8.5 V

100(2)

2. The maximum programming time is measured after 100K erase operations.

μs

tERASE32KB Sector (32 KB) erase time

180

tERASE128KB Sector (128 KB) erase time

450

tERASE256KB Sector (256 KB) erase time

900

tME

Mass erase time

6.9

Vprog

Programming voltage

2.7

3.6

VPP

VPP voltage range

IPP

Minimum current sunk on

the VPP pin

-10

tVPP(3)

3. VPP should only be connected during programming/erasing.

Cumulative time during

which VPP is applied

hour

Table 59. Flash memory endurance and data retention

Symbol

Parameter

Conditions

Value

Unit

Min(1)

NEND

Endurance

TA = –40 to +85 °C (6 suffix versions)

TA = –40 to +105 °C (7 suffix versions)

kcycles

tRET

Data retention

1 kcycle(2) at TA = 85 °C

Years

1 kcycle(2) at TA = 105 °C

10 kcycles(2) at TA = 55 °C

Table 57. Flash memory programming (dual bank configuration

nDBANK=0) (continued)

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1) Unit

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