
Electrical Characteristics
MPC5533 Microcontroller Data Sheet, Rev. 0.0
Freescale Semiconductor
23
3.11
H7Fb Flash Memory Electrical Characteristics
Spec
Table 14. Flash Program and Erase Specifications (TA = TL to TH)
Spec
Flash Program Characteristic
Symbol
Min.
Typical 1
1 Typical program and erase times are calculated at 25 oC operating temperature using nominal supply values.
Initial
Max. 2
2 Initial factory condition:
≤ 100 program/erase cycles, 25
oC, using a typical supply voltage measured at a minimu
m 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. Tdwprogram
—
10
—
500
μs
4
Tpprogram
—
22
44 5
5 Page size is 128 bits (4 words).
500
μs
7
16 KB block pre-program and erase time
T16kpperase
—
325
525
5000
ms
9
48 KB block pre-program and erase time
T48kpperase
—
435
525
5000
ms
10
64 KB block pre-program and erase time
T64kpperase
—
525
675
5000
ms
8
128 KB block pre-program and erase time
T128kpperase
—
675
1800
ms
11
Minimum operating frequency for program and
eraseoperations 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 (TA = TL to TH) Spec
Characteristic
Symbol
Min.
Typical 1
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
1a
Number of program/erase cycles per block for 16 KB
, 48 KB, and
64 KB blocks over the operating temperature range (TJ) P/E
100,000
—
cycles
1b
Number of program/erase cycles per block for 128
KB blocks over the
operating temperature range (TJ)
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
cyclesRetention
20
5
—
years