em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 178

• Manufacturer Part Number: em78f644nso28s
• Description: Flash Series 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

EM78F648/644/642/641/548/544/542/541N
8-Bit Microcontroller
168 •
Symbol
ISB1
ISB2
ICC1
ICC2
ICC3
ICC4
Power down current
Power down current
Operating supply current at two clocks
Operating supply current at two clocks
Operating supply current at two clocks
Operating supply current at two clocks
(Continuation)
9.1.1 Program Flash Memory Electrical Characteristics
Symbol
9.1.2 Data EEPROM Electrical Characteristics
Symbol
Tprog
Treten
Tendu
Tprog
Treten
Tendu
Parameter
The parameters shown above are theoretical values only and have not been
tested or verified.
Data under “Min”, “Typ”, & ”Max” columns are based on theoretical results at 25
These data are for design guidance only and have not been tested or verified.
(for EM78F648N only)
Erase/Write cycle time
Data Retention
Endurance time
Erase/Write cycle time
Data Retention
Endurance time
Parameter
Parameter
All input and I/O pins at
VDD, output pin floating,
WDT disabled
All input and I/O pins at
VDD, output pin floating,
WDT enabled
/RESET= 'High',
Fosc=32KHz (Crystal
type,CLKS="0"), output pin
floating, WDT disabled
/RESET= 'High',
Fosc=32KHz (Crystal
type,CLKS="0"), output pin
floating, WDT enabled
/RESET= 'High',
Fosc=4MHz (Crystal type,
CLKS="0"), output pin
floating, WDT enabled
/RESET= 'High',
Fosc=10MHz (Crystal type,
CLKS="0"), output pin
floating, WDT enabled
Vdd = 5.0V
Temperature = -40°C ~ 85°C
Vdd = 2.0~ 5.5V
Temperature = -40°C ~ 85°C
(This specification is subject to change without further notice)
Condition
Condition
Condition
NOTE
Product Specification (V1.0) 05.05.2010
0.6
6
20
25
1.5
2.1
Min
Min.
Min.
−
−
−
−
−
−
2.0
7
22
27
1.6
2.2
Typ
1000K
100K
Typ.
Typ.
10
10
−
6
2.5
8
24
29
1.7
2.3
Max
Max.
Max.
−
−
−
−
−
−
℃
cycles
cycles
years
years
Unit
Unit
μA
μA
μA
μA
mA
mA
Unit
ms
ms
.