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參數(shù)資料
| 型號： | MSM6545-XXGS-K |
| 廠商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | 9 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大小： | 182K |
| 代理商： | MSM6545-XXGS-K |
5/13
MSM6545/6575/6545L/6575L
Semiconductor
ABSOLUTE MAXIMUM RATINGS (MSM6545/6575, 1.5 V, BUF = "0")
Parameter
Symbol
Condition
Rating
Unit
Power Supply Voltage
VSS1
Ta = 25°C
–6.0 to +0.3
Input Voltage
VIN
VSS1 – 0.3 to +0.3
V
Output Voltage
VOUT
VSS1 – 0.3 to +0.3
Storage Temperature
TSTG
—
–55 to +125
°C
VDD = 0 V (VSS1 = battery voltage)
Note: The input of the constant voltage circuit is equal to the output of the voltage converter
(VSS2).
RECOMMENDED OPERATING CONDITIONS (MSM6545/6575, 1.5 V, BUF = "0")
Parameter
Symbol
Condition
Range
Unit
Operating Voltage
Vop
—
–1.75 to –0.9
V
—
Operating Temperature
Top
–20 to +70
°C
—
Oscillation Frequency
fOSC
32.768
kHz
—
VDD = 0 V (VSS1 = battery voltage)
Note: The input of the constant voltage circuit is equal to the output of the voltage converter
(VSS2).
ELECTRICAL CHARACTERISTICS (MSM6545/6575, 1.5 V, BUF = "0")
Parameter
Symbol
Condition
Min.
Applied Pin
Typ. Max. Unit
Power Supply Current
IDD
*1
—
3—
mA
Oscillation Start Voltage
–VOSC
Within 2 seconds
—
VSS1
—
0.9
V
Output Current 1
–IOH1
VO = –0.5 V
150
PORT0 to PORT6*2
SOUT, SCLK
——
mA
IOL1
VO = –1.0 V
150
—
Output Current 2
–IOH2
VO = –0.5 V
20
BD
——
mA
IOL2
VO = –1.0 V
20
—
Input Current 1
IIH1
VI = 0 V, in the input state,
with pull-down resistor
7
PORT0 to
PORT6 *2
15
30
mA
Input Leakage Current
IIL
VI = 0 V, –1.5 V, in the input state,
without pull-down resistor
—
PORT0 to PORT7*2
SIN, SOUT, SCLK
—1
mA
Input Current 3
IIH3
VI = 0 V, with pull-down
resistor
70
RESET
TEST1 to TEST3
250
500
mA
Input Voltage
–VIH
—
All input pins
—
0.3
V
–VIL
1.2
—
VDD = 0 V, VSS1 = –1.5 V (battery voltage), VSS2 = –3.0 V, fOSC = 32.768 kHz, CX = 35 pF, Ta = 25°C
*1 Depends on the program. (Values in the above table are applied in the case where the
software duty is about 5%.)
*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
Note: The input of the constant voltage circuit is equal to the output of the voltage converter
(VSS2).
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