SPC5668EF1AVMG datasheet(40/66 Pages) FREESCALE

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MPC5668x Microcontroller Data Sheet, Rev. 6

Electrical Characteristics

Freescale Semiconductor

4.13

Pad AC Specifications

256 KB Block Pre-program and Erase Time

t256kpperase — 5200

15,000

Wait States Relative to System Frequency5

PFCRPn[RWSC] = PFCRPn[APC] = 0b000; PFCRPn[WWSC] = 0b01

PFCRPn[RWSC] = PFCRPn[APC] = 0b001; PFCRPn[WWSC] = 0b01

PFCRPn[RWSC] = PFCRPn[APC] = 0b010; PFCRPn[WWSC] = 0b01

PFCRPn[RWSC] = PFCRPn[APC] = 0b011 – 0b111; PFCRPn[WWSC] = 0b01

trwsc

—

fSYS max

MHz

Recovery Time

tRecover

——

s

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

2 Initial factory condition:

 100program/erase cycles, nominal supply values and operation at 25 oC.

3 The maximum time is at worst case conditions after the specified number of program/erase cycles. This maximum value is

characterized but not guaranteed.

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

5 Wait state timing is based on the system clock frequency and thus is same for all masters.

Table 21. Flash EEPROM Module Life (Full Temperature Range)

Spec

Characteristic

Symbol

Min

Typical1

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

information on the Freescale definition of Typical Endurance, please refer to Engineering Bulletin EB619, Typical Endurance

for Nonvolatile Memory.

Unit

Number of Program/Erase cycles per block for 16 KB and 64 KB blocks

over the operating temperature range (TJ)

P/E

100,000

—

cycles

Number of Program/Erase cycles per block for 128 KB blocks over the

operating temperature range (TJ)

P/E

1,000

100,000

cycles

Minimum Data Retention at 85 °C ambient temperature2

Blocks with 0–1,000 P/E cycles

Blocks with 1,001–10,000 P/E cycles

Blocks with 10,001–100,000 P/E cycles

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

Retention

1–5

—years

Table 22. Pad AC Specifications (5.0 V, 2.5 V)1

Spec

Pad Type2

SRC/DSC3

Output Delay4,4 (ns)

Rise/Fall5,6

(ns)

Load Drive

(pF)

Slow7

318/343

155/173

408/431

188/204

200

61/67

30/34

80/90

38/44

200

18/18

10/11

27/28

15/17

200

Table 20. Flash Program and Erase Specifications1 (continued)

Spec

Characteristic

Symbol

Min

Initial

Max2

Max3

Unit

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