Motorola MC9S12DT256 User Manual

MC9S12DT256 Device User Guide V03.07
106
A.3.2 NVM Reliability
The reliability of the NVM blocks is guaranteed by stress test during qualification, constant process
monitors and burn-in to screen early life failures.The program/erase cycle count on the sector is
incremented every time a sector or mass erase event is executed
Table A-12 NVM Reliability Characteristics
1
NOTES:
1. T
Javg
will not exeed 85°C considering a typical temperature profile over the lifetime of a consumer, industrial or automotive
application.
Conditions are shown in Table A-4 unless otherwise noted
Num C Rating Symbol Min Typ Max Unit
Flash Reliability Characteristics
1C
Data retention after 10,000 program/erase cycles at
an average junction temperature of T
Javg
≤ 85°C
t
FLRET
15
100
2
2. Typical data retention values are based on intrinsic capability of the technology measured at high temperature and de-rated
to 25°C using the Arrhenius equation. For additional information on how Freescale defines Typical Data Retention, please
refer to Engineering Bulletin EB618.
—
Years
2C
Data retention with <100 program/erase cycles at an
average junction temperature T
Javg
≤ 85°C
20
100
2
—
3C
Number of program/erase cycles
(–40°C
≤ T
J
≤ 0°C)
n
FL
10,000 — —
Cycles
4C
Number of program/erase cycles
(0°C
≤ T
J
≤ 140°C)
10,000
100,000
3
3. Spec table quotes typical endurance evaluated at 25°C for this product family, typical endurance at various temperature can
be estimated using the graph below. For additional information on how Freescale defines Typical Endurance, please refer
to Engineering Bulletin EB619.
—
EEPROM Reliability Characteristics
5C
Data retention after up to 100,000 program/erase
cycles at an average junction temperature of
T
Javg
≤ 85°C
t
EEPRET
15
100
2
—
Years
6C
Data retention with <100 program/erase cycles at an
average junction temperature T
Javg
≤ 85°C
20
100
2
—
7C
Number of program/erase cycles
(–40°C
≤ T
J
≤ 0°C)
n
EEP
10,000 — —
Cycles
8C
Number of program/erase cycles
(0°C < T
J
≤ 140°C)
100,000
300,000
3
—

Motorola MC9S12DT256 Specifications

General

Brand	Motorola
Model	MC9S12DT256
Category	Microcontrollers
Language	English