em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 182

• 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
172 •
Symbol
Fxt
IIL
VIHRC
IERC1 Sink current
VILRC
IERC2 Sink current
VIH1
VIL1
VIHT1
VILT1
VIHT2
VILT2
VIHX1
VILX1
IOH1
IOL1
IOL2
IPH
IPL
ISB1
ISB2
ICC1
Input Leakage Current for Input pins
Crystal: VDD to 3V
Crystal: VDD to 4.5V
ERC: VDD to 5V
IRC: VDD to 5 V
Input High Threshold Voltage
(Schmitt Trigger)
Input Low Threshold Voltage
(Schmitt Trigger)
Input High Voltage (Schmitt Trigger)
Input Low Voltage (Schmitt Trigger)
Input High Threshold Voltage
(Schmitt Trigger)
Input Low Threshold Voltage
(Schmitt Trigger)
Input High Threshold Voltage
(Schmitt Trigger)
Input Low Threshold Voltage
(Schmitt Trigger)
Clock Input High Voltage
Clock Input Low Voltage
Output High Voltage (Ports 5, 6, 7, 8)
Output Low Voltage (Ports 5, 7, 8)
Output Low Voltage (Port 6)
Pull-high current
Pull-low current
Power down current
Power down current
Operating supply current at two clocks
9.3 EM78F642/542N
Ta=25 ° C, VDD=5.0V±5%, VSS=0V
Parameter
TCC, INT
TCC, INT
OSCI in crystal mode
OSCI in crystal mode
VOH = VDD-0.5V
(IOH =3.7mA)
VOL = GND+0.5V
VOL = GND+0.5V
Pull-high active,
Input pin at VSS
Pull-low active,
Input pin at Vdd
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,
CLKS1:0="01"),
Output pin floating,
WDT disabled
Two cycles with two clocks
R: 5.1KΩ, C: 300 pF
4 MHz, 16 MHz, 8 MHz, 455kHz F-2.5% F
VIN = VDD, VSS
OSCI in RC mode
VI from low to high, VI=5V
OSCI in RC mode
VI from high to low, VI=2V
Ports 5, 6, 7, 8
Ports 5, 6, 7, 8
/RESET
/RESET
(This specification is subject to change without further notice)
Condition
Product Specification (V1.0) 05.05.2010
DC
DC
F-30% 370
21
16
-0.3V
0.7VDD
-0.3V
0.7VDD
-0.3V
-3.0
14
18
0.7VDD
Min
−
−
−
−
−
−
−
−
−
−
3.5
22
1.5
17
3.0
1.8
-4.2
18
23
-70
20
1.0
8
37
Typ
−
−
−
−
−
−
−
−
−
8
16
F+30%
F+2.5%
±1
23
18
VDD+0.3V V
0.3VDD
VDD+0.3V V
0.3VDD
VDD+0.3V V
0.3VDD
-80
30
1.5
10
40
Max
−
−
−
−
−
−
−
MHz
MHz
kHz
Hz
μA
V
mA
V
mA
V
V
V
V
V
mA
mA
mA
μA
μA
μA
μA
μA
Unit