STM8S005C6 datasheet(62/97 Pages) STMICROELECTRONICS

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Electrical characteristics

STM8S005C6 STM8S005K6

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9.3.5

Memory characteristics

RAM and hardware registers

Flash program memory/data EEPROM memory

General conditions: TA = -40 to 85 °C.

Table 34. RAM and hardware registers

Symbol

Parameter

Conditions

Min

Unit

VRM

Data retention mode(1)

Minimum supply voltage without losing data stored in RAM (in halt mode or under reset) or in hardware

registers (only in halt mode). Guaranteed by design, not tested in production.

Halt mode (or reset)

VIT-max

(2)

Refer to Table 18 on page 47 for the value of VIT-max.

Table 35. Flash program memory/data EEPROM memory

Symbol

Parameter

Conditions

Min(1)

Data based on characterization results, not tested in production.

Typ

Max

Unit

VDD

Operating voltage



(all modes, execution/write/erase)

fCPU  16 MHz

2.95

5.5

tprog

Standard programming time (including

erase) for byte/word/block



(1 byte/4 bytes/128 bytes)

6.0

6.6

Fast programming time for 1 block

(128 bytes)

3.0

3.3

terase

Erase time for 1 block (128 bytes)

3.0

3.3

NRW

Erase/write cycles(2) 

(program memory)

The physical granularity of the memory is 4 bytes, so cycling is performed on 4 bytes even when a

write/erase operation addresses a single byte.

TA 85 °C

100

cycles

Erase/write cycles(2)



(data memory)

100 k

tRET

Data retention (program memory)

after 100 erase/write cycles at



TA 85 °C

TRET = 55° C

years

Data retention (data memory) after



10 k erase/write cycles at TA 85 °C

Data retention (data memory) after



100 k erase/write cycles at TA 85 °C

TRET = 85° C

1.0

IDD

Supply current (Flash programming or

erasing for 1 to 128 bytes)

2.0

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