ST10F271 datasheet(131/173 Pages) STMICROELECTRONICS

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ST10F271

Electrical characteristics

131/173

24.7

A/D converter characteristics

VDD = 5V ± 10%, VSS = 0V, TA = –40 to +125°C, 4.5V ≤ VAREF ≤ VDD,

VSS ≤ VAGND ≤ VSS + 0.2V

Erase Suspend Latency (4)

–30

µs

Erase Suspend Request Rate (4)

Min delay between 2

requests

Set Protection (4)

300

µs

The figures are given after about 100 cycles due to testing routines (0 cycles at the final customer).

Word and Double Word Programming times are provided as average values derived from a full sector programming time:

absolute value of a Word or Double Word Programming time could be longer than the average value.

Bank Erase is obtained through a multiple Sector Erase operation (setting bits related to all sectors of the Bank). As

ST10F271 implements only one bank, the Bank Erase operation is equivalent to Module and Chip Erase operations.

Not 100% tested, guaranteed by Design Characterization.

Table 64.

Flash characteristics

Parameter

Typical

Maximum

Unit

Notes

TA = 25°C

TA = 125°C

0 cycles(1)

100k cycles

Table 65.

Flash data retention characteristics

Number of program / erase cycles

(-40°C

≤ T

A ≤ 125°C)

Data retention time

(average ambient temperature 60°C)

128Kbyte (code store)

64Kbyte (EEPROM emulation) (1)

0 - 100

> 20 years

1,000

> 20 years

10,000

10 years

100,000

1 year

Two 64Kbyte Flash Sectors may be typically used to emulate up to 4, 8 or 16Kbyte of EEPROM. Therefore, in case of an

emulation of a 16Kbyte EEPROM, 100,000 Flash Program / Erase cycles are equivalent to 800,000 EEPROM

Program/Erase cycles. For an efficient use of the EEPROM Emulation please refer to dedicated Application Note document

(AN2061 - “EEPROM Emulation with ST10F2xx”). Contact your local field service, local sales person or STMicroelectronics

representative to get copy of such a guideline document.

Table 66.

A/D converter characteristics

Parameter

Symbol

Limit Values

Unit

Test Condition

min.

max.

Analog Reference voltage 1)

AREF SR

4.5

VDD

Analog Ground voltage

AGND SR

VSS

VSS + 0.2

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