MPC5553_07 datasheet(23/66 Pages) FREESCALE

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Electrical Characteristics

MPC5553 Microcontroller Data Sheet, Rev. 2.0

Freescale Semiconductor

3.11

H7Fa Flash Memory Electrical Characteristics

Spec

Table 14. Flash Program and Erase Specifications1

1 Typical program and erase times assume nominal supply values and operation at 25 oC.

Spec

Flash Program Characteristic

Symbol

Min

Typical

Initial

Max2

2 Initial factory condition:

≤ 100 program/erase cycles, 25 oC, typical supply voltage, 80 MHz minimum system frequency.

Max3

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

but not guaranteed.

Unit

Doubleword (64 bits) program time4

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

Tdwprogram

—10

—

500

μs

Page program time4

Tpprogram

—22

445

5 Page size is 256 bits (8 words).

500

μs

16 Kbyte block pre-program and erase time

T16kpperase

—

325

525

5000

48 Kbyte block pre-program and erase time

T48kpperase

—

435

525

5000

64 Kbyte block pre-program and erase time

T64kpperase

—

525

675

5000

128 Kbyte block pre-program and erase time

T128kpperase

—

675

1800

15,000

Minimum operating frequency for program and erase

operations6

6 Read frequency of the flash can be up to the maximum operating frequency of the device. There is no minimum read frequency

condition.

—25

—

MHz

Table 15. Flash EEPROM Module Life (Full Temperature Range)

Spec

Characteristic

Symbol

Min

Typical1

1 Typical endurance is evaluated at 25o C. Product qualification is performed to the minimum specification. For additional

information on the Freescale definition of typical endurance, refer to engineering bulletin EB619 Typical Endurance for

Nonvolatile Memory.

Unit

Number of program/erase cycles per block for 16 Kbyte, 48 Kbyte, and

64 Kbyte blocks over the operating temperature range (TJ)

P/E

100,000

—

cycles

Number of program/erase cycles per block for 128 Kbyte blocks over the

operating temperature range (TJ)

P/E

10,000

100,000

cycles

Data retention

Blocks with 0–1,000 P/E cycles

Blocks with 1,001–100,000 P/E cycles

Retention

—years

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