SPC56EC74L7 datasheet(70/118 Pages) STMICROELECTRONICS

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Electrical Characteristics

SPC564Bxx - SPC56ECxx

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Doc ID 17478 Rev 4

Table 27 shows the data flash memory program and erase characteristics.

ECC circuitry provides correction of single bit faults and is used to improve further

automotive reliability results. Some units will experience single bit corrections throughout

the life of the product with no impact to product reliability.

Table 27.

Data flash memory—Program and erase specifications

Symbol

Parameter

Value

Unit

Min

Typ(1)

Initial

max(2)

Max(3)

Twprogram

Word (32 bits) program time(4)

—

500

µs

T16Kpperase

16 KB block pre-program and erase time

—

700

800

5000

Teslat

D Erase Suspend Latency

—

µs

tESRT

C Erase Suspend Request Rate

—

tPABT

D Program Abort Latency

—

µs

tEAPT

D Erase Abort Latency

—

µs

Typical program and erase times assume nominal supply values and operation at 25 °C. All times are subject to change

pending device characterization.

Initial factory condition: < 100 program/erase cycles, 25 °C, typical supply voltage.

The maximum program and erase times occur after the specified number of program/erase cycles. These maximum values

are characterized but not guaranteed.

Actual hardware programming times. This does not include software overhead.

Table 28.

Flash memory module life

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

P/E

Number of program/erase cycles per

block for 16 Kbyte blocks over the

operating temperature range (TJ)

—

100000

cycles

Number of program/erase cycles per

block for 32 Kbyte blocks over the

operating temperature range (TJ)

—

10000

100000

cycles

Number of program/erase cycles per

block for 128 Kbyte blocks over the

operating temperature range (TJ)

—

1000

100000

cycles

Retention CC

Minimum data retention at 85 °C

average ambient temperature(1)

Blocks with 0–1000 P/E

cycles

—

years

Blocks with 10000 P/E

cycles

—

years

Blocks with 100000 P/E

cycles

5—

years

Ambient temperature averaged over duration of application, not to exceed recommended product operating temperature

range.

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