Datasheet

Electrical Characteristics
MPC5566 Microcontroller Data Sheet, Rev. 3
Freescale
23
3.11 H7Fa Flash Memory Electrical Characteristics
Table 14. Flash Program and Erase Specifications (T
A
= T
L
to T
H
)
Spec Flash Program Characteristic Symbol Min. Typical
1
1
Typical program and erase times are calculated at 25
o
C operating temperature using nominal supply values.
Initial
Max.
2
2
Initial factory condition: 100program/erase cycles, 25
o
C, using a typical supply voltage measured at a minimum system
frequency of 80 MHz.
Max.
3
3
The maximum erase time occurs after the specified number of program/erase cycles. This maximum value is characterized
but not guaranteed.
Unit
3 Doubleword (64 bits) program time
4
4
Actual hardware programming times. This does not include software overhead.
T
dwprogram
— 10 — 500 s
4 Page program time
4
T
pprogram
— 22 44
5
5
Page size is 256 bits (8 words).
500 s
7 16 KB block pre-program and erase time T
16kpperase
—2654005000ms
9 48 KB block pre-program and erase time T
48kpperase
—3454005000ms
10 64 KB block pre-program and erase time T
64kpperase
—4155005000ms
8 128 KB block pre-program and erase time T
128kpperase
— 500 1250 7500 ms
11
Minimum operating frequency for program and erase
operations
6
6
The read frequency of the flash can range up to the maximum operating frequency. There is no minimum read frequency
condition.
—25———MHz
Table 15. Flash EEPROM Module Life (T
A
= T
L
to T
H
)
Spec Characteristic Symbol Min. Typical
1
1
Typical endurance is evaluated at 25
o
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
1a
Number of program/erase cycles per block for 16 KB, 48 KB, and
64 KB blocks over the operating temperature range (T
J
)
P/E 100,000 — cycles
1b
Number of program/erase cycles per block for 128 KB blocks over the
operating temperature range (T
J
)
P/E 1000 100,000 cycles
2
Data retention
Blocks with 0–1,000 P/E cycles
Blocks with 1,001–100,000 P/E cycles
Retention
20
5
—
—
years