SPC5644AF0MLU2 datasheet(94/138 Pages) FREESCALE

94 / 138 page

MPC5644A Microcontroller Data Sheet, Rev. 7

Freescale Semiconductor

6T128kpperase CC P

128 KB Block Pre-program and Erase

Time

—

1500

2600

7500

7T256kpperase CC P

256 KB Block Pre-program and Erase

Time

—

3000

5200

15000

8Tpsrt

SR —

Program suspend request rate5

100

—

s

9Tesrt

SR —

Erase suspend request rate 6

1 Typical program and erase times assume nominal supply values and operation at 25 oC. All times are subject to

change pending device characterization.

2 Initial factory condition: < 100 program/erase cycles, 25 oC, typical supply voltage, 80 MHz minimum system

frequency.

3 The maximum erase time occurs after the specified number of program/erase cycles. This maximum value is

characterized but not guaranteed.

4 Page size is 128 bits (4 words).

5 Time between program suspend resume and the next program suspend request.

6 Time between erase suspend resume and the next erase suspend request.

Table 34. Flash module life

Symbol

Parameter

Conditions

Value

Unit

min

typ

P/E

Number of program/erase

cycles per block for 16 KB,

48 KB, and 64 Kbyte

blocks over the operating

temperature range (TJ)

—

100,000

—

P/E

cycles

P/E

Number of program/erase

cycles per block for

128 Kbyte and 256 Kbyte

blocks over the operating

temperature range (TJ)

—

1,000

100,000

P/E

cycles

Data

Retention

Minimum data retention at

C average ambient

temperature1

1 Ambient temperature averaged over duration of application, not to exceed product operating temperature range.

Blocks with 0 – 1,000

P/E cycles

—

years

Blocks with 1,001 –

10,000 P/E cycles

—

years

Blocks with 10,001 –

100,000 P/E cycles

—

years

Table 33. Flash program and erase specifications1

#Symbol

Parameter

Min.

Value

Typical

Value

Initial

Max2

Max3

Unit

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