mc68hc908as60 Freescale Semiconductor, Inc, mc68hc908as60 Datasheet - Page 430

• Manufacturer Part Number: mc68hc908as60
• Description: Mc68hc908as60 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
24.13 Memory Characteristics
Notes:
Technical Data
RAM data retention voltage
EEPROM programming time per byte
EEPROM erasing time per byte
EEPROM erasing time per block
EEPROM erasing time per bulk
EEPROM programming voltage discharge period
EEPROM write/erase cycles
EEPROM data retention
FLASH pages per row
FLASH bytes per page
FLASH read bus clock frequency
FLASH charge pump clock frequency
FLASH block/bulk erase time
FLASH high voltage kill time
FLASH return to read time
FLASH page program pulses
FLASH page program step size
FLASH cumulative program operations per row
FLASH HVEN low to MARGIN high time
FLASH MARGIN high to PGM low time
FLASH row erase endurance
FLASH row program endurance
FLASH data retention time
1. f
2. f
3. fls
4. t
5. t
after 10,000 write/erase cycles
Charge Pump Frequency
between erase cycles
after 100 program/erase cycles
programming algorithm.
algorithm.
Read
Pump
Step
Row
Pulses
is defined as the maximum numer of pages programmed on a row before the row using the smart programming
is defined as the amount of time during one page program pulse that HVEN is held high.
is defined as the frequency range for which the FLASH memory can be read.
is defined as the charge pump clock frequency required for program, erase, and margin read operations.
is defined as the maximum number of t
Characteristic
Control)
Freescale Semiconductor, Inc.
For More Information On This Product,
(4.5 FLASH
Go to: www.freescale.com
Electrical Specifications
Step
pulses required by a page of FLASH memory using the smart
f
f
t
t
Pump
Read
Step
Row
t
Symbol
(Note 3)
EEBLOCK
t
t
fls
t
EEBYTE
EEBULK
t
EEPGM
V
EEFPV
t
t
t
Erase
HVTV
t
HVD
Pulses
(Note 4)
(Note 5)
t
VTP
(Note 1)
RDR
—
—
—
—
—
—
—
(Note 2)
Kill
10,000
32 K
Min
100
100
200
150
100
100
0.7
1.8
1.0
10
10
10
10
10
50
50
10
—
—
8
8
MC68HC908AS60 — Rev. 1.0
8.4 M
Max
110
100
2.5
1.2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
8
8
Page program
Cycles
Pulses
Cycles
Cycles
Pages
cycles
Years
Bytes
Years
Unit
MHz
ms
ms
ms
ms
ms
ms
Hz
V
s
s
s
s
s