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MSU2051 Datasheet, PDF (8/21 Pages) Mosel Vitelic, Corp – low working voltage 16 MHz ROM less MCU
MOSEL VITELIC
MSU2051/U2031
DC Characteristics
(16/25/40 MHz, typical operating conditons, valid for U20x1C series)
Symbol
V ILX
V ILE
V ILR
V IHX
V IHE
V IHR
V OLA
V OL0
V OL1
V OHA
V OH0
V OH1
V OH2
I OL0
I IL
I IH
Parameter
Input Low Voltage
"
"
Input High Voltage
"
"
Output Low Voltage
"
"
Output High Voltage
"
"
"
"
"
"
"
Output Low Current
Logical 0 Input Current
Logical 1 Input Current
Valid
XTAL1
#EA
RES
XTAL1
#EA
RES
ALE, #PSEN
ports 0,3
ports 1,2
ALE, #PSEN
port 0
ports 1,3
port 2
ports 0,3
ports 1,2,3
port 0
Min.
-0.5
0
-0.5
70%Vcc
20%Vcc+0.9
70%Vcc
2.4
90%Vcc
2.4
90%Vcc
2.4
90%Vcc
2.4
90%Vcc
Typ.
18
Max
20%Vcc-0.1
20%Vcc-0.3
20%Vcc-0.1
Vcc+0.5
Vcc+0.5
Vcc+0.5
450
450
450
-50
1.5
Unit Test Conditions
V
V
V
V
V
V
mV I OL = 3.2 mA
mV I OL = 3.2 mA
mV I OL = 1.6 mA
V I OH = -60 uA
V I OH = -10 uA
V I OH = -800 uA
V I OH = -80 uA
V I OH = -60 uA
V I OH = -10 uA
V I OH = -60 uA
V I OH = -10 uA
mA V OL = 0.45V, note 1
uA V in = 0.45 V
uA V in = 5.0 V
I TL
I LI
R RES
RX
C IO
I CC
Logic Transition Current
Input Leakage Current
Reset Pulldown Resistance
Crystal feedback Resistance
Pin Capacitance
Power Supply Current
ports 1,2,3
port 0
RES
XTAL1,2
Vdd
Vdd
Vdd
50
90
5
3
10
note 1 : no more than 80 mA I OLs for all 16-bit ports 0 & 3 output pins.
-650
10
150
330
10
8
5
45
uA
uA
Kohm
Kohm
pF
mA
mA
uA
V in = 2.0 V
0.45V < Vin < Vcc
Freq=1MHz, Ta=25 ¢J
Active mode, 16 MHz
Idle mode, 16MHz
Power down mode
DC Characteristics
(16 MHz, typical operating conditons, valid for U20x1S series)
Symbol
I OL0
others
Parameter
Output Low Current
Valid
ports 0 & 3
Min.
Typ.
Max.
3
identical to U20x1C series'
Unit Test conditions
mA V OL = 0.45V
Rev. 1.0 February 1998
8