MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 455
MC68HC908AZ32ACFU
Manufacturer Part Number
MC68HC908AZ32ACFU
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AZ32ACFU.pdf
(468 pages)
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25.2.14 FLASH Memory Characteristics
68HC908AZ32A — Rev 0.0
MOTOROLA
1.
2. If the page erase time is longer than
3. If the mass erase time is longer than
4.
5.
6. The minimum row erase endurance value specifies each row of the FLASH memory is guaranteed to work for at least this
7. The minimum row program endurance value specifies each row of the FLASH memory is guaranteed to work for at least
8. The FLASH is guaranteed to retain data over the entire operating temperature range for at least the minimum time spec-
memory.
memory.
t
HVEN to logic 0.
t
t
many erase cycles.
this many program cycles.
ified.
FLASH PGM/ERASE to HVEN Set Up Time
f
RCV
HV
HV
READ
FLASH Cumulative Program HV Period
FLASH High Voltage Hold Time (Mass)
FLASH Program Bus Clock Frequency
is defined as the cumulative high voltage programming time to the same row before next erase.
must satisfy this condition:
is defined as the time it needs before the FLASH can be read after turning off the high voltage charge pump by clearing
FLASH Row Program Endurance
FLASH Read Bus Clock Frequency
FLASH Row Erase Endurance
FLASH High Voltage Hold Time
is defined as the frequency range for which the FLASH memory can be read.
FLASH Data Retention Time
FLASH Return to Read Time
FLASH Program Hold Time
FLASH Page Erase Time
FLASH Mass Erase Time
FLASH Program Time
Characteristic
t
Freescale Semiconductor, Inc.
NVS
For More Information On This Product,
+
t
t
NVH
t
MERASE
ERASE
(8)
(6)
+ t
(7)
(M
PGS
Go to: www.freescale.com
(M
Electrical Specification
IN
IN
+ (
),
),
there is no erase-disturb, but it reduces the endurance of the FLASH
t
PROG
there is no erase-disturb, but it reduces the endurance of the FLASH
X 64)
ð t
t
Symbol
f
M
t
HV
READ
ERASE
t
ERASE
t
t
RCV
t
t
t
t
PROG
HV
NVH
NVH
PGS
—
NVS
max.
(5)
(4)
L
(1)
(2)
(3)
10,000
10,000
Min
32K
100
10
30
10
—
1
1
4
5
5
1
Electrical Specifications
Electrical Specification
Advance Information
8.4M
Max
40
—
—
—
—
—
—
—
—
—
—
4
cycles
cycles
years
MHz
Unit
ms
ms
ms
Hz
s
s
s
s
s
s
455
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