MPC5744C datasheet(39/76 Pages) PHILIPS

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Table 31. Flash memory program and erase specifications (continued)

Symbol

Characteristic1

Typ2

Factory

Programming3, 4

Field Update

Unit

Initial

Max

Initial

Max, Full

Temp

Typical

End of

Life5

Lifetime Max6

20°C ≤TA

≤30°C

-40°C ≤TJ

≤150°C

-40°C ≤TJ

≤150°C

≤ 1,000

cycles

≤ 250,000

cycles

t32kers

32 KB Block erase time

217

360

390

310

1,200

t32kpgm

32 KB Block program time

100

110

1,200

t64kers

64 KB Block erase time

315

490

590

420

1,600

t64kpgm

64 KB Block program time

138

180

210

170

1,600

t256kers

256 KB Block erase time

884

1,520

2,030

1,080

4,000

—

t256kpgm

256 KB Block program time

552

720

880

650

4,000

—

1. Program times are actual hardware programming times and do not include software overhead. Block program times

assume quad-page programming.

2. Typical program and erase times represent the median performance and assume nominal supply values and operation at

25 °C. Typical program and erase times may be used for throughput calculations.

3. Conditions: ≤ 150 cycles, nominal voltage.

4. Plant Programing times provide guidance for timeout limits used in the factory.

5. Typical End of Life program and erase times represent the median performance and assume nominal supply values.

Typical End of Life program and erase values may be used for throughput calculations.

6. Conditions: -40°C ≤ TJ ≤ 150°C, full spec voltage.

6.3.2 Flash memory Array Integrity and Margin Read specifications

Table 32. Flash memory Array Integrity and Margin Read specifications

Symbol

Characteristic

Min

Typical

Max1

Units

tai16kseq

Array Integrity time for sequential sequence on 16 KB block.

—

512 x

Tperiod x

Nread

—

tai32kseq

Array Integrity time for sequential sequence on 32 KB block.

—

1024 x

Tperiod x

Nread

—

tai64kseq

Array Integrity time for sequential sequence on 64 KB block.

—

2048 x

Tperiod x

Nread

—

tai256kseq

Array Integrity time for sequential sequence on 256 KB block.

—

8192 x

Tperiod x

Nread

—

tmr16kseq

Margin Read time for sequential sequence on 16 KB block.

73.81

—

110.7

μs

tmr32kseq

Margin Read time for sequential sequence on 32 KB block.

128.43

—

192.6

μs

tmr64kseq

Margin Read time for sequential sequence on 64 KB block.

237.65

—

356.5

μs

tmr256kseq

Margin Read time for sequential sequence on 256 KB block.

893.01

—

1,339.5

μs

Memory interfaces

MPC5746C Microcontroller Datasheet, Rev. 6, 11/2018

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