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MSM6576 Datasheet, PDF (8/12 Pages) OKI electronic componets – Operatable at 0.9 V and 7-level Detector 4-Bit Microcontroller | |||
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¡ Semiconductor
MSM6576
ELECTRICAL CHARACTERISTICS
1.5 V operation
Backup flag (BUF) = "1"
The input of the constant voltage circuit is directly connected to the power supply (VSS1).
(VDD = 0 V, VSS1 = â1.5 V (battery voltage) , VSS2 = â3.0 V, fOSC = 32.768 kHz, CX = 35 pF, Ta = 25°C)
Parameter
Symbol
Condition
Min. Typ. Max. Unit Applied Pin
Power Supply Current 1
Power Supply Current 2
Oscillation Start Voltage
Output Current 1
Output Current 2
Input Current 1
*1 IDD1
*1 IDD2
âVOSC
âIOH1
IOL1
âIOH2
IOL2
IIH1
Level detector OFF
â 1.5 â
Level detector ON
â 13.5 â
Within 2 seconds
â â 0.9
VO = â0.5 V
150 â â
VO = â1.0 V
150 â â
VO = â0.5 V
20 â â
VO = â1.0 V
20 â â
VI = 0 V, in the input state, 3.75 7.5 15
with pull-down resistor
mA
â
mA
â
V
VSS1
PORT0 to PORT6*2
mA
SOUT, SCLK
mA
BD
PORT0 to
mA
PORT6 *2
Input Current 2
âIIH2
VI = â1.5 V, in the input state, 3.75 7.5 15 mA
with pull-up resistor
PORT0
Input Leakage Current
ÃIILÃ
VI = 0 V, â1.5 V, in the input â â
state, without pull-down resistor
PORT0 to PORT7*2
1 mA
SIN, SOUT, SCLK
Input Current 3
IIH3
VI = 0 V, with pull-down
RESET, TEST1
70 250 500 mA
resistor
to TEST3
Input Voltage
Level Detector Off Voltage
Level Detector Detecting
Voltage
Level Detector Settling Time
âVIH
âVIL
âVLDoff
âVLD6H
âVLD5H
âVLD4H
âVLD3H
âVLD2H
âVLD1H
âVLD0H
tSET
â
â
ADSTART = "0"
(ADOUT) = 6H
(ADOUT) = 5H
(ADOUT) = 4H
(ADOUT) = 3H
(ADOUT) = 2H
(ADOUT) = 1H
(ADOUT) = 0H
ADSTART = "1", during
OUT ADSET execution
â â 0.3
V All input pins
1.2 â â
0 â 80 mV
725 742 759
841 858 875
958 975 992
1075 1092 1109 mV
1191 1208 1225
P7.1
1308 1325 1342
1425 1442 1459
â â 61 ms
Level Detector Conversion Rate
Comparator Offset Voltage
Comparator Input Voltage
Comparator Conversion Rate
fLD
âVCMPoff
âVCMPin
fCMP
â
â
âVB = Battery voltage
â
ââ
ââ
VB/2 â
ââ
100 Hz
15 mV
VB V
100 Hz
P7.3, P7.2
*1 Depends on program. (Values in the above table are applied in the case where the software
duty is about 3%.)
*2 PORT0 = P0.0 to P0.3, PORT1 = P1.0 to P1.3, PORT2 = P2.0 to P2.3, PORT3 = P3.0 to P3.3,
PORT4 = P4.0 to P4.3, PORT5 = P5.0 to P5.3, PORT6 = P6.0 to P6.3, PORT7 = P7.0 to P7.3
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